natural drainage basinscteco.uconn.edu/maps/town/basin/basin_newcanaan.pdfhamse pond fyre lake foot...

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Cannondale Georgetown Palmers Hill East Norwalk South Wilton Turn of River Talmadge Hill Hunting Ridge North Stamford Gilbert Corners Pinneys Corners WILTON STAMFORD NORWALK WESTON Pine Hill Bald Hill Webbs Hill Canoe Hill Honey Hill Long Beach Golden Hill Sasqua Hill Spring Hill Indian Hill Belden Hill Ferris Hill Sunset Hill Round Beach Hoyt Island Smith Ridge Fitch Point Grumman Hill Tree Hammock Betts Island Goose Island Peach Island Kitts Island Marvin Ridge Brushy Ridge Ruscoe Ridge Turner Ridge Wilson Point Keyser Point Talmadge Hill Comstock Hill Chestnut Hill Sandy Hammock Chimon Island Cedar Hammock Grassy Island Sprite Island Sturges Ridge Gregory Point Clapboard Hill Comstock Knoll Silvermine Hill Canfield Island Hendricks Point Lower Belden Hill Calf Pasture Point Oyster Shell Point Calf Pasture Island Little Tavern Island Shady Beach Marvin Beach Calf Pasture Beach Dry Pond Wire Pond West Pond Seyer Dam Town Pond Rock Lake Road Pond Poor Pond Nash Pond Mill Pond Mill Pond Live Pond Land Pond Lake Pond Kapp Pond June Pond Hill Pond Hams Pond Fyre Lake Foot Pond Flat Pond Fire Pond East Pond Dana Pond Club Pond City Lake Brae Pond Bank Pond Acre Pond Woods Pond Vista Pond Union Pond Skunk Pond Route Pond Ridge Pond Pound Pond Potts Pond Popes Pond Ponus Pond North Pond Leroy Pond Lake Susan Kents Pond Jules Pond Jacob Pond Grass Pond Earth Pond Drive Pond Doral Pond Davis Pond Creek Pond Cedar Pond Brush Pond Brook Pond Briar Pond Birch Pond Betts Pond Stony Brook Stony Brook Stony Brook Copts Brook Boone Brook Ayers Brook Weston Pond Valley Pond Tuttle Pond Timber Pond Taeger Pond Strong Pond Spruce Pond Seeley Pond School Pond Sayles Pond Nature Pond Keenes Pond Indian Pond Hollow Pond Hicock Pond Hanson Pond Escape Pond Dudley Pond Dublin Pond Darien Pond Clover Pond Carter Pond Cannon Pond Border Pond Barker Pond Wilson Cove Hoyts Swamp Scotts Brook Mianus River Mianus River Indian River Bryant Brook Scofield Dam Tilleys Pond Thayers Pond Taconic Pond Streets Pond Shallow Pond Shallow Pond Sawmill Pond Picture Pond Nothing Pond Newtown Pond Newtown Pond Natural Pond Mullens Pond Millard Pond McManus Lake Mathers Pond Lambert Pond Kingdom Pond Kellogg Pond Juniper Pond Hunting Pond Guthrie Pond Godfrey Pond Erskine Pond Deering Pond Country Pond Coopers Pond Collins Pond Cascade Pond Bolling Pond Bendels Pond Burritt Cove Carter Swamp Parting Brook Norwalk River Norwalk River Norwalk River Norwalk River Noroton River Noroton River Noroton River Mullens Brook Keelers Brook Goetzen Brook Godfrey Brook Woodside Pond Wildwood Pond Wardwell Pond Wahackme Pond Scribner Pond Richards Pond Raymonds Pond Pheiffer Pond Old Farm Pond Nicholas Pond Mayapple Pond Lockwood Pond Increase Pond Greenley Pond Garfield Pond Frogtown Pond Fivefoot Pond Ferndale Pond Doughnut Lake Doubtful Pond Deer Run Pond Cyrgalis Pond Crawford Pond Chasmers Pond Village Creek Tokeneke Brook Rippowam River Rippowam River Rippowam River Mayapple Brook Haviland Brook Haviland Brook Fivemile River Fivemile River Fivemile River Cummings Brook Comstock Brook Barretts Brook Woods End Pond West Road Pond Upper Nod Pond Tributary Pond Sier Hill Pond Sheffield Pond Salisbury Pond Riverbank Pond Pond Road Pond Pine Hill Pond Middlesex Pond Landscape Pond Ingleside Pond Hydraulic Pond Hill Road Pond Half Mile Pond Florshiem Pond Davenport Pond Cranberry Pond Brookside Pond Brookdale Pond Blanchard Pond Norwalk Harbor Spectacle Brook Saugatuck River Poorhouse Brook Poorhouse Brook Tulip Tree Pond Trails End Pond Tanglewood Pond Silvermine Pond Ricki Beth Pond New Canaan Pond Lower Hams Pond Field Club Pond Farm Creek Pond Dommericks Pond Dingletown Pond Cobbs Mill Pond Cedar Road Pond Brush Reservoir Bargh Reservoir Cockenoe Harbor Woods Pond Brook Springdale Brook Silvermine River Silvermine River Silvermine River Silvermine Brook Potts Pond Brook Grays Pond Brook Cobbs Mill Brook Betts Pond Brook Turner Hill Pond Old Grumman Pond Laurel Reservoir Jellif Mill Pond Huckleberry Pond Grupes Reservoir Georgetown Ponds Cherry Lane Pond Uniker Pond Brook Tilley Pond Brook Belden Hill Brook Orient Lodge Pond Orient Lodge Lake Country Club Pond Kellogg Pond Brook Crystal Lake Brook Winnipauk Millpond Fourteen Acre Pond Chestnut Hill Pond Cheese Spring Pond Silver Spring Brook Russells Pond Brook Rockwood Lake Brook Poplar Plains Brook Chestnut Hill Brook Newtown Avenue Pond Holts Ice Pond Brook New Canaan Reservoir Woodway Golf Club Pond Upper Mianus River Dam Huckleberry Hills Brook Holy Ghost Fathers Pond East Branch Mianus River Weeburn Country Club Dam North Stamford Reservoir Rowayton Green Houses Pond West Branch Saugatuck River West Branch Saugatuck River Old South Norwalk Reservoir East Branch Silvermine River Peck Ledge White Rock Rogers Reef Beers Rocks Chimon Rock Sheep Rocks Raymond Rocks East White Rock Ferry Point Reach Seaview Park Reach Oyster Shell Reach Norwalk River Reach Grassy Hammock Rocks Norwalk Hospital West School East School South School Toquam School Tracey School Wolfpit School Roxbury School Newfield School Rowayton School Middlesex Middle Northeast School Royle Elementary West Rocks Middle Holmes Elementary Springdale School Cider Mill School Ponus Ridge Middle Nathan Hale Middle Kendall Elementary Fox Run Elementary Middlebrook School Stillmeadow School Saxe Middle School Wilton High School Weston High School Darien High School Briggs High School Naramake Elementary Tokeneke Elementary Ox Ridge Elementary Cranbury Elementary Roton Middle School Norwalk High School Dolan Middle School Turn Of River School Sacred Heart Academy Julia A Stark School Brookside Elementary Weston Middle School Westhill High School Stamford High School Ina E Driscoll School Silvermine Elementary Davenport Ridge School Rippowam Middle School New Canaan High School Tilford W Miller School Brien Mcmahon High School Weston Intermediate School Hurlbutt Elementary School Scofield Magnet Middle School Jefferson Science Magnet School JM Wright Technical High School Academy of Information Technology and Engineering Norwalk Community College Wilton Station Darien Station Rowayton Station Merrit 7 Station Glenbrook Station Springdale Station New Canaan Station Cannondale Station Talmadge Hill Station South Norwalk Station Noroton Heights Station East Norwalk Westbound Station East Norwalk Eastbound Station 300 400 500 200 100 600 700 100 400 400 300 200 300 400 400 200 400 400 300 300 500 500 600 300 500 100 600 200 300 300 100 300 500 600 500 200 400 400 200 400 400 500 100 500 100 500 200 400 400 200 300 400 600 300 300 400 100 500 300 400 100 300 400 200 200 300 400 100 300 600 300 500 400 600 400 200 300 200 400 400 100 200 200 500 300 500 200 100 400 400 300 500 100 200 200 300 200 200 200 100 300 300 100 300 100 200 300 100 600 600 100 200 100 200 200 400 400 400 300 400 200 300 400 200 300 400 100 200 400 400 100 400 500 500 200 400 300 400 100 100 300 100 100 400 200 400 300 100 500 100 300 500 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Chestnut Hill Rd Westover Rd Rocks Rd Smith Ridge Rd Brookside Rd Carter St Belden Hill Rd Wilton Rd North St Middlesex Rd Brookside Ave Mansfield Ave Norwalk Rd Hurlbutt St Hollow Tree Ridge Rd Newtown Ave Oenoke Ridge Rd Perry Ave Main Ave Westhill Rd Grumman Ave Boston Post Rd Weston Rd Den Rd Silver Spring Rd Wilson Ave Stillwater Rd Flax Hill Rd Godfrey Rd Spring St Ponus Ave Connecticut Ave Richards Ave Laurel Rd Rock Rimmon Rd New Norwalk Rd Silvermine Rd Old Hwy June Rd Wolfpit Ave Mountain Rd Erskine Rd Main St Highland Ave Rowayton Ave Mill Rd Silvermine Ave Mariomi Rd New Canaan Ave Vine Rd Westport Rd Scribner Ave Wolfpit Rd Range Rd Haig Ave Cognewaugh Rd Bald Hill Rd Mather St Ely Ave Park St Cannon Rd Westport Ave Sturges Ridge Rd Stag Ln Haviland Rd William St Wire Mill Rd Cedar St Eden Rd Webbs Hill Rd Frogtown Rd Farm Rd Scofieldtown Rd Thayer Pond Rd Skunk Ln Winfield St Canoe Hill Rd New Canaan Rd Murray St Farms Rd Howard Rd 5th St Elm St Tokeneke Rd Old Stamford Rd Partrick Rd Saugatuck Ave Dudley Rd Old Hyde Rd Taylor Ave Lakeside Dr Leroy Ave Cascade Rd Sharp Hill Rd Whipstick Rd Tito Ln Cedar Ln Cavalry Rd West Norwalk Rd Witch Ln Pinney Rd Post Rd Cat Rock Rd Guinea Rd Old Kings Hwy School Rd Norfield Rd Bayne St Dans Hwy Dry Hill Rd Ward St Bedford St Birch Hill Rd Perkins Rd Woodbine Rd Stuart Ave Deer Run Rd Old Hill Rd Michigan Rd Water St Sawmill Ln County St Fifth St Drum Hill Rd Sylvan Rd Jelliff Mill Rd Club Rd Nursery St Wildwood Rd Raymond St Wahackme Rd Hills Rd Glover Ave Cheesespring Rd Vista Rd Trinity Pass Bridge St Pepper Ridge Rd Rivergate Dr Sawmill Rd Holly Ln Country Club Rd Aiken St Deforest Rd Kent Rd Briscoe Rd Borglum Rd Grumman Hill Rd Cedar Rd Birch Rd Cobbs Mill Rd Linden Tree Rd Cherry Ln Langner Ln Buttery Rd River Rd Pelham Ln Kings Hwy Oaklawn Ave Seir Hill Rd Slice Dr Mayapple Rd Broad St Beach Rd Lapham Rd White Oak Shade Rd Lost District Dr Kellogg Dr Dundee Rd Yew St Ruscoe Rd East Ave Ingleside Dr Comstock Hill Ave Hanson Rd Day St Russet Rd Toilsome Ave Maywood Rd Pent Rd Woodward Ave Spoonwood Rd Dr Martin Luther King Dr Burning Tree Rd Old Mill Rd East Ln Liberty St Quarry Rd Pond Rd Forest St Riverside Ave Nod Rd Fitch Ave Hilltop Rd Hecker Ave West Trl Lambert Rd Spring Hill Ave Linden St Cheese Spring Rd Hamilton Ave Jonathan Dr Skyview Dr King St Parish Rd Field St Camp Ave Lake Dr Catalpa Rd Old Norwalk Rd Londonderry Dr Bouton St Ridge Rd Gillys Ln Spectacle Ln Hermit Ln Allen Rd Seeley Rd Hunting Ridge Rd Kensett Ave Minivale Rd Washington Blvd George Ave River St Gerdes Rd 5 Mile River Rd Rampart Rd Alwyn Ln Putnam Rd Old Saugatuck Rd Honey Hill Rd Rocky Rapids Rd Mohawk Dr Brushy Ridge Rd Brook Dr Adams Ln Brookdale Rd Marvin Ridge Rd Geneva Rd Searles Rd Bowery Rd Edgerton St Canfield Ave Briar Brae Rd Musket Ridge Rd Spring Water Ln Flat Rock Dr Hill Cir Dunn Ave Riverbank Dr Cold Spring Rd Pipers Hill Rd Walter Ave Hawks Hill Rd Talmadge Hill Rd St Johns Rd Meadow St Turner Rd Skyview Ln Ferris Hill Rd Westwood Rd Little Fox Ln Elm Pl Butler Ln Douglas Dr Reed St Indian Hill Rd Alpine St Huckleberry Dr Mimosa Dr Butternut Ln Summer St Tod Ln Gregory Blvd Berrian Rd Four Brooks Rd Weed Hill Ave Warncke Rd Colonial Rd Old Huckleberry Rd Gary Rd Clay Hill Rd Echo Hill Dr Pembroke Rd Janes Ln Thornwood Rd Logan Rd Partrick Ave Smith St Karen Dr Silver Spring Ln Raymond Ln Ivy Pl Saddle Rd Red Coat Rd Fort Point St Oak St Holmes Ave Dock Rd Knapp St Clinton Ave Little Hill Dr Indian Rock Rd Parry Rd Andrews Dr Pine Ridge Rd Lexington Ave Locust Hill Rd Appletree Ln Pequot Trl Surrey Dr Emery Dr Granite Dr Van Buren Ave Turn of River Rd Hunters Ln Scribner Hill Rd Foxwood Rd Highview Ave Beacon St Brookhill Ln Driftway Ln Center St Benedict St Dann Dr Morgan St Peach Hl Norden Pl Gay Rd Edward Pl Oakhill Ave Fourth St Half Mile Rd Heather Ln Dannell Dr Saint Johns Rd Creeping Hemlock Dr Fieldcrest Dr Woodside Ave Coley Rd Skyline Ln Brodwood Dr Thistle Rd Eagle Dr North Ave Center Ave Calvin Rd Mohawk Ln Glen Hill Rd Park Pl Interlaken Rd Wild Duck Rd Old Parish Rd Millport Ave Frontier Rd Wilton Ave Gardiner St Glenwood Ave Redcoat Rd Sasqua Rd St Marys Ln Fairway Dr High Clear Dr Howard Ave Hickory Hill Rd Old Drift Way Moriarity Dr James St Kramer Ln Washington St Crawford Rd Pin Oak Ln Greenleaf Ave Gaymoor Dr Barbara Dr Beech Rd Knickerbocker Ave Marion Rd Mt Rd Crescent St Cross Rd Jeanne Ct High St Shadow Ln Woodway Rd Woodridge Dr 3rd St Larkspur Rd Glen Dr Joanne Ln Couch St Orchard Hill Rd Ryders Ln Silver Hill Rd Michaels Way Bayberry Rd Mulberry St Reservoir Ln Hooker Ln Nursery Rd Pine Hill Ave Kimberly Pl West Ln Nichols Ave Lloyd Rd Saunders Dr Dubois St Buttonwood Ln Glasser St Jonathan Rd Fulmar Ln Styles Ln New St Quintard Ave Pequot Dr McIntosh Rd Lenox Ave Hogan Trl Eno Ln Sanford Ln Sleepy Hollow Rd Ledge Ln Pocconock Trl Tod Rd Hubbard Ave Hiawatha Ln Tierney St Inwood Rd Homer St Rogues Rdg Ox Ridge Ln Gerrish Ln Old Ridgefield Rd Old Camp Ln Harbor Ave Unity Rd Ellen St Thornridge Dr Myrtle St Chessor Ln Tobacco Rd MacGregor Dr Juniper Rd Fairfield Ave Tory Hole Rd Starlight Dr Hirsch Rd Harrison Ave Ohio Ave Grist Mill Rd Eagle Rd Danforth Dr Wellesley Dr Barclay Dr Lovatt St Truman St Crystal Lake Rd Cannondale Rd Ferncliff Rd Halliwell Dr Scott St Bissell Ln Canal Rd St Charles Ave Lawton Ave Sedgewick Ave Ogden Rd Fawn Dr Acorn Pl Old Orchard Dr Ladder Hill Rd Cornwall Rd Ells St Libby Ln Cindy Ln Blake St November Trl Pine St Bible St Topfield Rd Girard St Betsys Ln Merry Ln Heritage Hill Rd Alton Rd Birch Ln Knox Rd Fair St Lake Rd Dulan Dr Cross Ridge Rd Berkeley St Meadow Rd Point Rd Thunder Hill Dr Vitti St Old Logging Rd Marlin Dr Noroton Ave Old Farm Rd Pumpkin Ln Midland Ave Butler St Fitch St Lantern Ridge Rd Whipple Rd White Birch Rd Burchard Ln Acre View Dr Chatham Dr Dunning Rd Arden Ln Urban St Ridgecrest Rd Pilgrim Rd Knollwood Ln Studio Ln Mark Dr Byrd Rd Evergreen Rd Ridge Park Ave Hill St Cannon St Lorena St Oenoke Ln Hyatt Ave View Ln Sherwood St Proprietors Xing Dogwood Ln Parish Ln Grove St Harpsichord Tpke Kent Hills Ln Regency Dr Research Dr Breezy Hill Rd Hillside Rd Partrick Ln Renzulli Rd Rest Area Hickory Rd Wyndover Ln Hillcrest Park Rd Salem Rd Cliff St Zora Ln Hartswood Rd Thayer Dr Union Ave Weatherbell Dr South St Old Colony Rd Hamilton Ln Overbrook Ln Nutmeg Ln Omega Dr Llewellyn Dr Stonybrook Rd Priscilla Rd Hampton Ln Sweet Briar Rd Pettom Rd Meeting House Rd Arbor Dr Indian Spring Trl Raymond Ter Aspen Ln Stanton Rd Crest Rd Leeuwarden Rd Esquire Rd Maple St Palmer St Overbrook Rd Oakdale Rd Cranbury Rd Cliff Ave Settlers Trl Mayflower Dr Bayberry Ln Tory Hill Ln Wood Ridge Dr St John Pl Heron Rd Holcomb Ave Devon Rd Woodcock Ln Danvers Ln Nolen Ln Opper Rd Halpin Ave Island Way Blueberry Ln Iron Gate Rd Bangall Rd Gaylord Dr Rose Ln Fullin Rd Stony Ln Stanton Ln Bob White Ln Wilson Rd Big Oak Rd Blueberry Dr Marshall Ridge Rd Bank Ln Parry Ct Woodland Rd Hickory Ln Putter Dr Bickford Ln Driftwood Ln Sherry Ln Viaduct Rd 6th St Studio Rd Fieldstone Rd Boas Ln Ledgewood Dr Alvin Dr Hemmelskamp Rd Intervale Rd Arbor Rd Crestwood Dr White Birch Ln For Hill Rd Church St Friar Tuck Ln White Oak Ln Rising Rd 1st St Boulder Brook Rd Wilton Woods Rd Barnegat Rd Echo Dr Swale Rd Mayflower Rd Greenleaf Dr Grand St Trails End Rd Overhill Rd Akbar Rd Greenwood Ave Friendly Rd Barton Ln Carlin St School St Hope Dr Duke Dr Morgan Ave Cecil Pl Ledge Rd Cross St Anthony Ln Maltbie Ave Hyland Dr Circle Rd Buck Hill Rd Forest Ln Treat Ave Old North Stamford Rd Gregory Rd Laurel Ledge Rd Stanton Dr Arch St Oakwood Ave Shaker Rd Malibu Rd Clapboard Hill Rd Vail St Indian Valley Rd Laurel Ln Heming Way Chatham Rd Myanos Rd Burnell Blvd Plymouth Rd Covlee Dr Michael Rd 2nd St Eastover Rd Lisa Ln Pearl St Brookhollow Ln Mollbrook Dr Southwind Dr Barncroft Rd Joffre Ave Sheridan Dr Edgewater Dr Lolly Ln Winding Ln Devonwood Ln Shady Acres Ln Chipmunk Ln Apple Tree Dr Bertmor Dr Birch St Lakeview Dr Sunset Rd Cottage St Strathmore Ln Ox Yoke Ln Terrace Ave Carriage Dr Old Well Rd Haviland Ct Eversley Ave Gravel Is Cherry St Ryan St Elmcrest Ter Cascade Ct Sunlit Dr Ayres Dr Gun Club Rd Andrews Farm Rd Flicker Ln Tory Pl Hazel St Sherwood Rd Laura St Lund Ave Dagmar Rd Slocum St Marlou Ln Cobble Hill Rd Freshwater Ln Welles Ln Cricket Ln Saxon Rd Miller Rd Shannon Ln Fairmead Rd Downe Ln Denhurst Pl Harvest Hill Ln Barmore Dr Covenant Ln Topping Ln Timber Ln Richmond Hill Rd Oak Crst Horseshoe Rd Iris Ct Marlborough Rd Primrose Ct MacArthur Ln Hartcroft Rd Village Dr Toquam Rd Cider Mill Pl Hardesty Rd Cattle Pen Ln Spring Valley Rd Lynlee Ln Sention Ave Abbey Rd Norholt Dr Chestnut St Sunset St Perna Ln Hillcrest Rd Cudlipp St Limerick Pl Samuelson Rd Watering Ln Fable Farm Rd Bittersweet Ln Hastings Ln Harbor View Ave Top O Hill Rd Crofts Ln Quails Trl Roland Dr Mill Brook Rd Natures Way Bryants Brook Rd Yale St Belaire Dr Deepwood Rd Auburn St Stillwater Ln Emma Rd Erdmann Ln Elizabeth St Tally Dr Stirrup Pl Echo Ln Lantern Cir Tanglewood Ct Lone Tree Farm Rd Thomes St Windward Ln Rustic View Rd Great Marsh Rd Colony Pl Donald Rd Fern St Cypress Dr Powerhorn Rd Orems Ln Woodridge Cir Club Cir Linwood Ln Oak Park Ave Vanech Dr Bristol Pl Dover St Ridge Acres Rd Brookdale Dr Academy St Highline Trl Timothy Rd Butternut Pl Dads Ln Horton Ln Glendale Rd Meeker Ct Slawson Ct Midrocks Dr Singing Woods Rd Ash Tree Ln Marshall St Dunn Ct Deacon Hill Rd Fernwood Dr Briardale Pl Bossy Ln Mill Stream Rd Strawberry Hill Ave Square Acre Dr Davenport Ave Lennon Ln Horizon Dr Lynn Ct Boulder Brook Dr Twin Brook Dr Cavanaugh St Westover Ln Pell Pl Red Rose Cir Scatacook Trl Crystal Lake Dr Meadow Ln Canoe Trl Tommys Ln Central St Edgewood Ave Victoria Ln Keith St Norvel Ln Azalea Ter Duke Pl Azalea Ln Deacons Ln Old Field Rd Dellwood Rd Greenhill Rd Bracewood Ln 3 Meadows Ln Holly St Rossimur Ct Frogtown Ln Pilgrim Trl Laurel St Fairweather Dr Larkspur Ln Lincoln Dr Lee Allen Ln Kellee Dr Jersey Ln Colonial Pl Cowing Ter Lark Ln Twin Pond Ln Siwanoy Ln Fields End Ln Larsen St Leeds Ln River Pl Byselle Rd Branch Ln Tower Ln Red Barn Ln Crocus Ln Cobblestone Pl Carriage Ln Mola Rd Oscar St Ledge Brook Rd Whippoorwill Ln Harstrom Pl Science Rd Eliot Ln Leann Dr Eden Ln West Rock Trl Sunrise Ave Oenoke Pl Gilly Ln Plattsville Ave Shields Ln Locust Ln New Street Ter Robinson St Indian Point Ln Spring Hill Ln Paul Rd Susan Ct Turtlehead Rd Flora Pl Radio Pl Edice Rd Donna Dr Severance Dr Lockwood Ave Roland Ave Graylock Rd Sutton Pl Shelter Dr Southill St Maplewood Ln Roscoe St Mary Austin Pl Summer St Wilton Rd Inwood Rd Fair St Boulder Brook Rd Lakeside Dr Laurel Rd Riverside Ave Rocks Rd Valley Rd Stanwich Rd Den Rd Bayberry Ln Interlaken Rd Seir Hill Rd Main St Wilton Rd Maple St Cross Rd Spectacle Ln Shadow Ln I 95 Broad St Cricket Ln Lake Dr 2nd St Valley Rd Ogden Rd Mill Rd Deepwood Rd Raymond Ln Elm St Ledgewood Dr Post Rd Park Pl River Rd State Hwy 15 Driftway Ln Cedar St Elm St Cranbury Rd Hoyt St West Ave Center St Couch St Day St Merritt Pkwy Laurel Rd Nutmeg Ln Pond Rd Heather Ln White Oak Ln Carriage Dr River Rd Silvermine Ave Cross Rd Granite Dr Hill Rd Oak St Exit 34 Exit 11 Exit 16 Exit 37 Exit 3 Exit 36 Exit 40A Exit 41 Exit 40B § ¨ ¦ 95 £ ¤ 7 £ ¤ 1 S V 53 S V 123 S V 15 S V 104 S V 137 S V 57 S V 33 Marvin Elementary 6 4 3 5 7 1 2 2 8 8 EXPLANATION This map shows the location and identification number of major, regional, subregional, and local drainage basins. It is intended to serve as a municipal guide for drainage basin delineation and identification. Local basins make up larger subregional, regional, and major drainage basin areas and are differentiated by their drainage basin boundary type and identification numbers. Arrows on the map represent general direction of surface water flow within local drainage basins. Local outlet direction is shown in purple. Main stem direction is shown in red. Coastal direction is shown in blue. A 7-digit drainage basin number such as 4302-02 uniquely identifies local drainage basin areas shown on this map. Drainage basin areas are numbered sequentially beginning upstream and proceeding downstream. The identification numbers are hierarchical. The first digit (column 1) identifies the major basin, the first two digits (columns 1-2) identify the regional basin, the first 4 digits (columns 1-4) identify the subregional basin, and the first seven digits (columns 1-7) identify the local basin. For example, 4, 43, and 4302 are the major, regional and subregional basin numbers for local basin number 4302-02. As illustrated in the diagram below, this signifies that local basin number 4302-02 is part of subregional basin 4302, which is part of regional basin 43, which is part of major basin 4. Drainage basin boundaries shown on this map were manually delineated by interpreting the 10 foot contour lines and hydrography features shown on USGS 1:24,000-scale topographic quadrangle maps. Only limited field checking was conducted to verify the location of these basin boundaries. Basin boundaries may not be accurate in areas that have been diked for flood control, upland wetland and reservoirs having outlets into two basins, areas where topographic mapping is not up to date, is inaccurate, or is not detailed enough to adequately define local drainage. Residential and commercial development, highway construction, and other changes to the landscape may have resulted in local modifications to the natural drainage pattern since the time these basin boundaries were delineated. The elevation contour lines shown on this map are more accurate than those used to originally delineate the drainage basin boundaries so, in certain areas, the basin boundaries may not exactly reflect the shape of the land surface depicted by the contour lines shown on this map. These contour lines are based on information from a statewide collection of ground elevation LiDAR data for the year 2000. This information is only suitable for general planning and informational purposes. It is not intended for exact determinations of elevation where a survey is normally required, or for detailed engineering, building, or design purposes. With this information, a general sense of the lay of the land can be ascertained. Gentle slopes are characterized by widely spaced contour lines, while steep slopes are represented by closely spaced contour lines. Contour lines that cross streams flowing through valleys of noticeable relief will form a V- shaped deflection with the apex of the V pointing upstream. However, river and stream features and watershed delineations that are based on USGS topographic quadrangle maps at 1:24,000 scale may not align exactly with the terrain of stream valleys and elevation of hills and ridges depicted by these contour lines. Note : The major, regional and subregional drainage basin boundaries shown on this map are the same as those published on the 1:125,000- scale state map entitled Natural Drainage Basins in Connecticut, McElroy, 1981. The basin boundaries shown on this town map were digitized from the 1:24,000-scale compilation sheets used to publish the state map of Natural Drainage Basins in Connecticut, 1981. DATA SOURCES LOCAL DRAINAGE BASIN DATA – The drainage basin information shown on this map is based on the following digital spatial datasets: Connecticut Local Basin Line and Local Basin Poly. These two datasets were developed by CT DEP and depict major, regional, subregional, and local basin drainage areas and boundaries at 1:24,000-scale. These data depict drainage areas for Connecticut rivers, streams, brooks, lakes, reservoirs and ponds published on 1:24,000-scale 7.5 minute topographic quadrangle maps prepared by the USGS between 1969 and 1984. ELEVATION CONTOUR DATA – The elevation contour line information shown on this map was derived from a statewide 10-foot Digital Elevation Model (DEM) surface. The DEM was based on the Connecticut LiDAR dataset for 2000, which captured ground elevation every 20 feet at a horizontal accuracy of approximately 3 feet on the ground. For unknown reasons, data was collected unevenly in some areas, which resulted in data gaps. The University of Connecticut, Center for Land Use Education and Research (CLEAR) created the DEM and edited it to fill in data gaps with information from contour lines on USGS 1:24,000-scale topographic maps. However, some inaccuracies remain and the data should be used within the known limitations of the source data. BASE MAP DATA - Based on data originally from 1:24,000-scale USGS 7.5 minute topographic quadrangle maps published between 1969 and 1992. It includes political boundaries, railroads, airports, hydrography, geographic names and geographic places. Streets and street names are from Tele Atlas ® copyrighted data. Base map information is neither current nor complete. RELATED INFORMATION This map is intended to be printed at its original dimensions in order to maintain the 1:24,000 scale (1 inch = 2000 feet). To identify either all upstream basins draining to or all downstream basins flowing from a particular location, refer to the Gazetteer of Drainage Basin Areas of Connecticut, Nosal, 1977, CT DEP Water Resources Bulletin 15, for the hydrologic sequence, headwater to outfall, of drainage basins. MAPS AND DIGITAL DATA - Visit the CT ECO website for this map and a variety of others in PDF format. Visit the CT DEP website to download the digital spatial data shown on this map. LEGEND Basin Boundary Major Basin Regional Basin Subregional Basin Local Basin Local Drainage Basin Direction t Outlet Direction t Main Stem Direction t Coastal Direction Elevation 100 ft Contour Line 20 ft Contour Line Figure 1. Example showing a typical local drainage basin and the subregional, regional, and major drainage basin it is part of. MAP LOCATION State Plane Coordinate System of 1983, Zone 3526 Lambert Conformal Conic Projection North American Datum of 1983 MAJOR BASINS 1 Pawcatuck 2 Southeast Coast 3 Thames 4 Connecticut 5 South Central Coast 6 Housatonic 7 Southwest Coast 8 Hudson £ NATURAL DRAINAGE BASINS MAJOR, REGIONAL, SUBREGIONAL AND LOCAL NEW CANAAN, CONNECTICUT SCALE 1:24,000 (1 inch = 2000 feet) when map is printed at original size (48 x 36 in) STATE OF CONNECTICUT DEPARTMENT OF ENVIRONMENTAL PROTECTION 79 Elm Street Hartford, CT 06106-5127 Map created by CT DEP May 2011 This map replaces a similar natural drainage basins map dated January 2010 0 2,500 5,000 7,500 10,000 1,250 Feet 0 0.4 0.8 1.2 1.6 2 0.2 Miles 0 0.3 0.6 0.9 1.2 1.5 0.15 Kilometers

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7000-457000-37

Ponus

Noroton

Rowayton

Ridgeway

Belltown

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Springdale

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W I L T O N

S T A M F O R D N O R W A L K

W E S T O N

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Comstock Knoll

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Canfield Island

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Little Tavern Island

Shady Beach

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Dry Pond

Wire PondWest Pond

Seyer Dam

Town Pond

Rock Lake

Road Pond

Poor Pond

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Mill Pond

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Live Pond

Land Pond

Lake Pond

Kapp Pond

June Pond

Hill Pond

Hams Pond

Fyre Lake

Foot Pond

Flat Pond

Fire Pond

East Pond

Dana Pond

Club Pond

City Lake

Brae Pond

Bank Pond

Acre Pond

Woods Pond

Vista Pond

Union Pond

Skunk Pond

Route Pond

Ridge Pond

Pound Pond

Potts Pond

Popes Pond

Ponus Pond

North Pond

Leroy Pond

Lake Susan

Kents Pond

Jules Pond

Jacob Pond

Grass Pond

Earth Pond

Drive Pond

Doral Pond

Davis Pond

Creek Pond

Cedar Pond

Brush Pond

Brook Pond

Briar Pond

Birch Pond

Betts Pond

Stony Brook

Stony Brook

Stony Brook

Copts Brook

Boone Brook

Ayers Brook

Weston Pond

Valley Pond

Tuttle Pond

Timber Pond

Taeger Pond

Strong Pond

Spruce Pond

Seeley Pond

School Pond

Sayles Pond

Nature Pond

Keenes Pond

Indian Pond

Hollow Pond

Hicock Pond Hanson Pond

Escape Pond

Dudley Pond

Dublin Pond

Darien Pond

Clover Pond

Carter Pond

Cannon Pond

Border Pond

Barker Pond

Wilson Cove

Hoyts Swamp

Scotts Brook

Mianus River

Mianus River

Indian River

Bryant Brook

Scofield Dam

Tilleys Pond

Thayers Pond

Taconic Pond

Streets Pond

Shallow Pond

Shallow Pond

Sawmill Pond

Picture Pond

Nothing Pond

Newtown Pond

Newtown Pond

Natural Pond

Mullens Pond

Millard Pond

McManus Lake

Mathers Pond

Lambert Pond

Kingdom Pond

Kellogg Pond

Juniper Pond

Hunting Pond

Guthrie Pond

Godfrey Pond

Erskine Pond

Deering Pond

Country Pond

Coopers Pond

Collins Pond

Cascade Pond

Bolling Pond

Bendels Pond

Burritt Cove

Carter Swamp

Parting Brook

Norwalk River

Norwalk River

Norwalk River

Norwalk River

Noroton River

Noroton River

Noroton River

Mullens Brook

Keelers Brook

Goetzen Brook

Godfrey Brook

Woodside Pond

Wildwood Pond

Wardwell Pond

Wahackme Pond

Scribner PondRichards Pond

Raymonds Pond

Pheiffer Pond

Old Farm Pond

Nicholas Pond

Mayapple Pond

Lockwood Pond

Increase Pond

Greenley Pond

Garfield Pond

Frogtown Pond

Fivefoot Pond

Ferndale Pond

Doughnut LakeDoubtful Pond

Deer Run Pond

Cyrgalis Pond

Crawford Pond

Chasmers Pond

Village Creek

Tokeneke Brook

Rippowam River

Rippowam River

Rippowam River

Mayapple Brook

Haviland Brook

Haviland Brook

Fivemile River

Fivemile River

Fivemile River

Cummings Brook

Comstock Brook

Barretts Brook

Woods End Pond

West Road Pond

Upper Nod Pond

Tributary Pond

Sier Hill Pond

Sheffield Pond

Salisbury PondRiverbank Pond

Pond Road Pond

Pine Hill Pond

Middlesex Pond

Landscape Pond

Ingleside Pond

Hydraulic Pond

Hill Road Pond

Half Mile Pond

Florshiem Pond

Davenport Pond

Cranberry Pond

Brookside Pond

Brookdale Pond

Blanchard Pond

Norwalk Harbor

Spectacle Brook

Saugatuck River

Poorhouse Brook

Poorhouse Brook

Tulip Tree Pond

Trails End Pond

Tanglewood Pond

Silvermine Pond

Ricki Beth Pond

New Canaan Pond

Lower Hams Pond

Field Club Pond

Farm Creek Pond

Dommericks Pond

Dingletown Pond

Cobbs Mill Pond

Cedar Road Pond

Brush Reservoir Bargh Reservoir

Cockenoe Harbor

Woods Pond Brook

Springdale Brook

Silvermine River

Silvermine River

Silvermine River

Silvermine Brook

Potts Pond Brook

Grays Pond Brook

Cobbs Mill Brook

Betts Pond Brook

Turner Hill Pond Old Grumman Pond

Laurel Reservoir

Jellif Mill Pond

Huckleberry Pond

Grupes Reservoir

Georgetown Ponds

Cherry Lane Pond

Uniker Pond Brook

Tilley Pond Brook

Belden Hill Brook

Orient Lodge Pond

Orient Lodge Lake

Country Club Pond

Kellogg Pond Brook

Crystal Lake Brook

Winnipauk Millpond

Fourteen Acre Pond

Chestnut Hill Pond

Cheese Spring Pond

Silver Spring Brook

Russells Pond Brook

Rockwood Lake Brook

Poplar Plains Brook

Chestnut Hill Brook

Newtown Avenue Pond

Holts Ice Pond Brook

New Canaan Reservoir

Woodway Golf Club Pond

Upper Mianus River Dam

Huckleberry Hills Brook

Holy Ghost Fathers Pond

East Branch Mianus River

Weeburn Country Club Dam

North Stamford Reservoir

Rowayton Green Houses Pond

West Branch Saugatuck River

West Branch Saugatuck River

Old South Norwalk Reservoir

East Branch Silvermine River

Peck Ledge

White RockRogers Reef

Beers Rocks

Chimon Rock

Sheep Rocks

Raymond Rocks

East White Rock

Ferry Point Reach

Seaview Park Reach

Oyster Shell Reach

Norwalk River Reach

Grassy Hammock Rocks

Norwalk Hospital

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Cannondale Station

Talmadge Hill Station

South Norwalk Station

Noroton Heights Station

East Norwalk Westbound StationEast Norwalk Eastbound Station

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Merritt Pkwy

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Hwy 5

3

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wn Tp

ke

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Long Ridge Rd

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Danbury Rd

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36

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Hope

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37

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ich R

d

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d

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ield A

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ank R

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kside

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r Pond

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Skunk Ln

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an R

d

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ford Rd

Partrick R

d

Saug

atuck

Ave

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Taylor Ave

Lakeside Dr

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Ave

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ade R

d

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Hill R

d

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r Ln

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ock R

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a Rd

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s Hwy

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ns R

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Stuart Ave

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ry St

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er Av

e

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y Pas

s

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ill Rd

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s Mill R

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Cherry Ln

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m Ln

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pple

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East

Ave

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Hanson Rd

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me Av

e

Maywood Rd

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artin

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r King

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ill Rd

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Ln

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p Rd

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n St

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Jonathan Dr

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pa Rd

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onde

rry D

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rton S

t

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ir

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ank D

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ory Bl

vd

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ks R

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ay D

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ill Rd

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ders

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r St

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p Ln

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l Rd

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olony

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Overbrook Rd

Oakdale Rd

Cranbury Rd

Cliff Ave

Settle

rs Trl

Mayflower Dr

Bayberry Ln

Tory H

ill Ln

Wood

Ridg

e Dr

St John Pl

Heron Rd

Holcomb Ave

Devon Rd

Woodcock Ln

Danvers Ln

Nolen Ln

Opper Rd

Halpi

n Ave

Islan

d WayBlu

eberr

y Ln

Iron G

ate R

d

Bang

all R

d

Gaylord Dr

Rose

Ln

Fullin Rd

Stony Ln

Stanton Ln

Bob White Ln

Wilson Rd

Big Oak Rd

Blueberry Dr

Marshall Ridge Rd

Bank Ln

Parry Ct

Wood

land R

d

Hickory Ln

Putter Dr

Bickford Ln

Driftwood Ln

Sherry LnVia

duct

Rd

6th St

Studio Rd

Fieldstone Rd

Boas Ln

Ledg

ewoo

d Dr

Alvin Dr

Hemmelsk

amp R

d

Intervale Rd

Arbor Rd

Crestwood DrWhite Birch Ln

For Hill Rd

Church St

Friar Tuck Ln

White Oak Ln

Rising Rd

1st St

Boulder Brook Rd

Wilton Woods Rd

Barnegat Rd

Echo Dr

Swale Rd

Mayfl

ower

Rd

Greenleaf Dr

Grand St

Trails End Rd

Overhill Rd

Akbar Rd

Gree

nwoo

d Ave

Friendly Rd

Barton Ln

Carlin St

School St

Hope Dr

Duke

Dr

Morgan Ave

Cecil Pl

Ledge Rd

Cros

s St

Anthony Ln

Maltbie Ave

Hyland Dr

Circle

Rd

Buck Hill Rd

Forest Ln

Treat Ave

Old North Stamford Rd

Greg

ory R

d

Laurel Ledge Rd

Stanton DrArch St

Oakwood Ave

Shake

r Rd

Malib

u Rd

Clapboard Hill Rd

Vail St

Indian Valley Rd

Laure

l Ln

Heming Way

Chatham Rd

Myanos Rd

Burnell Blvd

Plymouth Rd

Covle

e Dr

Michael Rd

2nd St

Eastover Rd

Lisa Ln

Pearl

St

Brookhollow Ln

Mollbrook Dr

South

wind

Dr

Barncroft Rd

Joffre

Ave

Sheridan Dr

Edgewater Dr

Lolly Ln

Winding Ln

Devonwood Ln

Shady Acres Ln

Chipm

unk L

n

Apple

Tree

Dr

Bertm

or Dr

Birch St

Lakeview Dr

Sunset Rd

Cottage St

Strathmore Ln

Ox Yoke Ln

Terrace Ave

Carria

ge Dr

Old Well RdHavil

and Ct

Eversley Ave

Gravel Is

Cherry StRyan St

Elmcre

st Te

r

Cascade Ct

Sunli

t Dr

Ayres Dr

Gun Club Rd

Andrews Farm Rd

Flick

er Ln

Tory Pl

Hazel

St

Sherwood Rd

Laura

St

Lund Ave

Dagm

ar Rd

Slocum St

Marlou Ln

Cobble Hill R

d

Freshwater Ln

Welles Ln

Cricket Ln

Saxon Rd

Miller Rd

Shan

non L

n

Fairmead Rd

Downe

Ln

Denhurst Pl

Harvest Hill Ln

Barm

ore Dr

Covenant Ln

Topping Ln

Timber Ln

Richmond Hill Rd

Oak Crst

Horseshoe Rd

Iris C

t

Marlb

oroug

h Rd

Prim

rose C

t

MacArthur LnHartcroft Rd

Village Dr

Toquam Rd

Cider

Mill P

l

Hardesty Rd

Cattle Pen Ln

Spring Valley Rd

Lynlee

Ln

Sention Ave

Abbey Rd

Norholt Dr

Ches

tnut S

t

Sunset St

Perna Ln

Hillcrest Rd

Cudlipp St

Limeri

ck Pl

Samuelson Rd

Watering Ln

Fable Farm Rd

Bittersweet Ln

Hastin

gs Ln

Harbo

r View

Ave

Top O

Hill

Rd

Crofts

Ln

Quails Trl

Roland Dr

Mill Brook Rd

Natures Way

Bryants Brook Rd

Yale St

Belaire Dr

Deepwood RdAuburn St

Stillwater Ln

Emma Rd

Erdm

ann L

n

Elizabeth St

Tally DrStirrup Pl

Echo Ln

Lante

rn Cir

Tanglewood Ct

Lone Tree Farm Rd

Thomes St

Windward Ln

Rustic View Rd

Great Marsh Rd

Colony Pl

Donald Rd

Fern St

Cypress Dr

Powerhorn Rd

Orems L

n

Wood

ridge

Cir

Club Cir

Linwood Ln

Oak P

ark Av

e

Vanech Dr

Bristol Pl

Dover St

Ridge Acres Rd

Broo

kdale

Dr

Acad

emy S

t

Highline Trl

Timothy Rd

Butternut Pl

Dads Ln

Horton Ln

Glendale Rd

Meeker Ct

Slawson Ct

Midrocks Dr

Singing Woods Rd

Ash Tree Ln

Marshall St

Dunn Ct

Deac

on H

ill Rd

Fernwood Dr

Briardale Pl

Bossy Ln

Mill S

tream

Rd

Strawberry Hill Ave

Squa

re Ac

re Dr

Davenport Ave

Lenn

on Ln

Horizon Dr

Lynn Ct

Boulder Brook Dr

Twin Brook Dr

Cavanaugh St

Westo

ver L

n

Pell Pl

Red Rose Cir

Scatacook Trl

Crystal Lake Dr

Meadow Ln

Canoe Trl

Tommys Ln

Centr

al St

Edgewood Ave

Victoria Ln

Keith St

Norvel Ln

Azalea Ter

Duke Pl

Azale

a Ln

Deacons Ln

Old Field Rd

Dellwood Rd

Greenhill Rd

Bracewood Ln

3 Meadows Ln

Holly St

Rossi

mur C

t

Frogtown Ln

Pilgrim Trl

Laurel St

Fairweather Dr

Larkspur Ln

Lincoln Dr

Lee Allen

Ln

Kellee Dr

Jersey Ln

Colonial Pl

Cowing Ter

Lark Ln

Twin Pond Ln

Siwanoy Ln

Fields

End L

n

Larsen St

Leeds Ln

River Pl

Byselle Rd

Branch Ln

Tower Ln

Red Barn Ln

Crocus Ln

Cobblestone Pl

Carriage Ln

Mola Rd

Osca

r St

Ledge Brook Rd

Whippoorwill Ln

Harst

rom Pl

Science Rd

Eliot Ln

Leann

Dr

Eden Ln

West

Rock

Trl

Sunrise Ave

Oeno

ke Pl

Gilly Ln

Platts

ville A

ve

Shields Ln

Locu

st Ln

New Street Ter

Robin

son St

Indian Point L

n

Spring Hill Ln

Paul Rd

Susan Ct

Turtlehead Rd

Flora Pl

Radio Pl

Edice Rd

Donn

a Dr

Severance Dr

Lockwood Ave

Roland Ave

Gray

lock R

d

Sutto

n Pl

Shelt

er Dr

Southill St

Maplew

ood Ln

Rosco

e St

Mary Austin Pl

Summ

er St

Wilton Rd

Inwoo

d Rd

Fair St

Bould

er Br

ook R

d

Lakeside Dr

Laure

l Rd

Riverside Ave

Rocks Rd

Valley

Rd

Stanwich Rd

Den R

d

Bayb

erry L

n

Interlaken Rd

Seir Hill Rd

Main St

Wilto

n Rd

Maple St

Cross Rd

Spectacle Ln

Shadow Ln

I 95

Broad St

Cricket Ln

Lake Dr

2nd StValley Rd

Ogden Rd

Mill Rd

Deepwood Rd

Raymond Ln

Elm St

Ledgewood Dr

Post R

d

Park Pl

River

Rd

State Hwy 15

Driftway Ln

Cedar St

Elm St

Cranbury RdHoyt

St

West A

ve

Center St

Couch St

Day St

Merritt Pkwy

Laurel Rd

Nutmeg Ln

Pond Rd

Heath

er Ln

White Oak Ln

Carriage Dr

River Rd

Silvermine Ave

Cross Rd

Granite Dr

Hill Rd

Oak St

Exit 34

Exit 11

Exit 16

Exit 37

Exit 3

Exit 36

Exit 40A

Exit 41

Exit 40B

§̈¦95

£¤7

£¤1

SV53

SV123

SV15

SV104

SV137

SV57

SV33

Marvin Elementary

64 3

5

7

122

8

8

EXPLANATIONThis map shows the location and identification number of major,regional, subregional, and local drainage basins. It is intended toserve as a municipal guide for drainage basin delineation andidentification. Local basins make up larger subregional, regional, andmajor drainage basin areas and are differentiated by their drainagebasin boundary type and identification numbers. Arrows on the maprepresent general direction of surface water flow within localdrainage basins. Local outlet direction is shown in purple. Mainstem direction is shown in red. Coastal direction is shown in blue.A 7-digit drainage basin number such as 4302-02 uniquely identifieslocal drainage basin areas shown on this map. Drainage basin areasare numbered sequentially beginning upstream and proceedingdownstream. The identification numbers are hierarchical. The firstdigit (column 1) identifies the major basin, the first two digits(columns 1-2) identify the regional basin, the first 4 digits (columns1-4) identify the subregional basin, and the first seven digits(columns 1-7) identify the local basin. For example, 4, 43, and 4302are the major, regional and subregional basin numbers for local basinnumber 4302-02. As illustrated in the diagram below, this signifiesthat local basin number 4302-02 is part of subregional basin 4302,which is part of regional basin 43, which is part of major basin 4.

Drainage basin boundaries shown on this map were manuallydelineated by interpreting the 10 foot contour lines and hydrographyfeatures shown on USGS 1:24,000-scale topographic quadranglemaps. Only limited field checking was conducted to verify thelocation of these basin boundaries. Basin boundaries may not beaccurate in areas that have been diked for flood control, uplandwetland and reservoirs having outlets into two basins, areas wheretopographic mapping is not up to date, is inaccurate, or is notdetailed enough to adequately define local drainage. Residential and

commercial development, highway construction, and other changesto the landscape may have resulted in local modifications to thenatural drainage pattern since the time these basin boundaries weredelineated.The elevation contour lines shown on this map are more accuratethan those used to originally delineate the drainage basin boundariesso, in certain areas, the basin boundaries may not exactly reflect theshape of the land surface depicted by the contour lines shown on thismap. These contour lines are based on information from a statewidecollection of ground elevation LiDAR data for the year 2000. Thisinformation is only suitable for general planning and informationalpurposes. It is not intended for exact determinations of elevationwhere a survey is normally required, or for detailed engineering,building, or design purposes. With this information, a general senseof the lay of the land can be ascertained. Gentle slopes arecharacterized by widely spaced contour lines, while steep slopes arerepresented by closely spaced contour lines. Contour lines that crossstreams flowing through valleys of noticeable relief will form a V-shaped deflection with the apex of the V pointing upstream.However, river and stream features and watershed delineations thatare based on USGS topographic quadrangle maps at 1:24,000 scalemay not align exactly with the terrain of stream valleys and elevationof hills and ridges depicted by these contour lines.Note: The major, regional and subregional drainage basin boundariesshown on this map are the same as those published on the 1:125,000-scale state map entitled Natural Drainage Basins in Connecticut,McElroy, 1981. The basin boundaries shown on this town map weredigitized from the 1:24,000-scale compilation sheets used to publishthe state map of Natural Drainage Basins in Connecticut, 1981.

DATA SOURCESLOCAL DRAINAGE BASIN DATA – The drainage basininformation shown on this map is based on the following digitalspatial datasets: Connecticut Local Basin Line and Local Basin Poly.These two datasets were developed by CT DEP and depict major,regional, subregional, and local basin drainage areas and boundariesat 1:24,000-scale. These data depict drainage areas for Connecticutrivers, streams, brooks, lakes, reservoirs and ponds published on1:24,000-scale 7.5 minute topographic quadrangle maps prepared bythe USGS between 1969 and 1984.ELEVATION CONTOUR DATA – The elevation contour lineinformation shown on this map was derived from a statewide 10-footDigital Elevation Model (DEM) surface. The DEM was based on theConnecticut LiDAR dataset for 2000, which captured groundelevation every 20 feet at a horizontal accuracy of approximately 3feet on the ground. For unknown reasons, data was collectedunevenly in some areas, which resulted in data gaps. The Universityof Connecticut, Center for Land Use Education and Research(CLEAR) created the DEM and edited it to fill in data gaps withinformation from contour lines on USGS 1:24,000-scale topographicmaps. However, some inaccuracies remain and the data should beused within the known limitations of the source data.

BASE MAP DATA - Based on data originally from 1:24,000-scaleUSGS 7.5 minute topographic quadrangle maps published between1969 and 1992. It includes political boundaries, railroads, airports,hydrography, geographic names and geographic places. Streets andstreet names are from Tele Atlas® copyrighted data. Base mapinformation is neither current nor complete.RELATED INFORMATIONThis map is intended to be printed at its original dimensions in orderto maintain the 1:24,000 scale (1 inch = 2000 feet).

To identify either all upstream basins draining to or all downstreambasins flowing from a particular location, refer to the Gazetteer ofDrainage Basin Areas of Connecticut, Nosal, 1977, CT DEP WaterResources Bulletin 15, for the hydrologic sequence, headwater tooutfall, of drainage basins.MAPS AND DIGITAL DATA - Visit the CT ECO website for thismap and a variety of others in PDF format. Visit the CT DEPwebsite to download the digital spatial data shown on this map.

LEGENDBasin Boundary

Major BasinRegional BasinSubregional BasinLocal Basin

Local Drainage Basin Directiont Outlet Directiont Main Stem Directiont Coastal Direction

Elevation100 ft Contour Line20 ft Contour Line

Figure 1. Example showing a typical local drainage basin and the subregional, regional, and major drainage basin it is part of.

MAP LOCATION

State Plane Coordinate System of 1983, Zone 3526Lambert Conformal Conic Projection

North American Datum of 1983

MAJOR BASINS1 Pawcatuck2 Southeast Coast3 Thames4 Connecticut5 South Central Coast6 Housatonic7 Southwest Coast8 Hudson

£

NATURAL DRAINAGE BASINSMAJOR, REGIONAL, SUBREGIONAL AND LOCAL

NEW CANAAN, CONNECTICUT

SCALE 1:24,000 (1 inch = 2000 feet) when map is printed at original size (48 x 36 in)

STATE OF CONNECTICUTDEPARTMENT OF ENVIRONMENTAL PROTECTION79 Elm StreetHartford, CT 06106-5127

Map created by CT DEPMay 2011

This map replaces a similar naturaldrainage basins map dated January 2010

0 2,500 5,000 7,500 10,0001,250Feet

0 0.4 0.8 1.2 1.6 20.2Miles

0 0.3 0.6 0.9 1.2 1.50.15Kilometers