Upper L A R iver EW MPDawn Petschauer, City of LAMay 10, 2018

L os Angeles R egional W ater Qual ity C ontrol B oard

S tats &Numbers● 19 participating agencies● 485 sq miles (approx.) – largest EWMP● 21 waterbodies● Diverse hydrology

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3

Our grow thR B

IssuedMS 4 Permit

Dec em ber

UL ARE W MP

ApprovedApril

R BMa y 10

W orkshop

2012 2016 2017 2018

Implementation

Pre- E W MP Projec tsUL AR E W MP

E arlyProjec ts

5

Elmer Paseo

Rose Bowl

South Los AngelesWetlands

● Agencies actively pursuing opportunities● Green Streets● Low Impact Development● City of LA – Prop O

T rash T MDL● ~70K+ catch basins

retrofitted ● Myriad of structural controls● New technologies● Institutional measures● Enhanced MCMs● In-River monitoring

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B ac teriaT MDL

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893Outfalls

inventoried and prioritized

25Priority

projects identified

2Projects

completed

9Projects

in design

5L R S

submitted to R B

● Phased Approach

● L oad R eduction S trategies○ L A R iver S egment B○ Arroyo S eco / R io Hondo○ L A R iver S egment E○ C ompton C reek

B ac teriaT MDL

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● Outfall Screening● Prioritization

LA City Humboldt Greenway

● Projects

W atershed MonitoringUL AR E W MP

10

S ta tionT ype

# of monitoring

loc a tions

Automa ted sa mplingsta tions (w et

w ea ther)

Ma in S tem R W 6 (2 ME s ites ) 4

T ributa ry R W 11 N/ A

L a kes 3 N/ A

S W O 12 12

T ota l 32 16

W atershedMonitoring

S torm E vent Monitoring11Prep

12

W atershedMonitoring

Summary of Non-Storm Water Based Screening and Monitoring Program

Receiving Water No. of Outfa l lsNo. of S c reening Events S inc e Dec

28, 2012

S ignif ic ant Non- S torm W ater Disc harges

T otal C onfirm ed T otal No. B eing Monitored

R io Hondo 29 6 2 2

Alham bra W ash 188 6 4 4

Arc adia W ash 30 6 0 0

Eaton W ash 175 6 1 1

R ubio W ash 99 6 0 0

Arroyo S ec o 194 6 4 4

C om pton C reek 84 6 2 2

S egm ent E 96 6 5 5

Aliso C anyon W ash 84 2 T B D T B D

B ell C reek 56 2 T B D T B D

Dry C anyon C reek 31 2 T B D T B D

Mc C oy C anyon C reek 18 2 T B D T B D

T otal 1084 56 18 16

NSWOScreening and Monitoring

Progress

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W atershed MonitoringWater Qual it y Trends Analysis

Improving21%

Decl ining12%

Staying the Same67%

DRY WEATHERImproving

31%

Decl ining4%

Staying the same65%

WET WEATHER

Post- E W MP Projec tsUL AR E W MP

T he Projec ts

15Glendale Green Street S an Fernando R egional Park

● Reinvigorated “multi-benefit projects”

● New grant programs prioritized water quality, greening, & DAC

● New opportunities identified

T he Projec ts

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East Los Angeles Sustainable Median S tormwater Capture Project

• 21 ac- ft of runoff• E nhanced recreational space• U rban greening• Aesthetic beautification• Groundwater recharge

T he Projec ts

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590 ac - ft/ yrc onservation

benefit

• Create 21-acre detention pond• Create 10-ac wetlands• Create 15-ac recreational space• Create new aquatic/ riparian habitat• Groundwater recharge

T he Projec ts

18Roosevelt Park

• 8 ac- ft of runoff and dry weather flows

• E nhanced recreational space• Groundwater recharge

T he Projec ts

19Taylor Yard (G2) Los Angeles

• 42 acre green space• E xtensive habitat restoration• Diverting (3) stormdrains from 4600

ac drainage are for treatment and potential reuse

T he Projec ts

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Alhambra Wash LFD• L FD to route dry weather

flows to W ater R eclamation Plant

• W ater Conservation

T he Projec ts

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Almansor Park• 31 ac- ft of runoff• Capture and reuse• Groundwater recharge

T he Projec ts

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Avalon Green Alley N orth• 2 ac- ft of runoff• Pedestrian connectivity• Groundwater recharge

T he Projec ts

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Avalon Green Alley S outh• 4.1 ac- ft of runoff• Pedestrian connectivity• Groundwater recharge

T he Projec ts

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Branford Street Dry W ell Project• 18 ac- ft of runoff• E nhanced flood control

T he Projec ts

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Broadway N eighborhood Greenway• 41 ac- ft of runoff• E nhanced flood control• Groundwater recharge

T he Projec ts

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Buena Vista Library• .15 ac- ft of runoff• Urban greening• Groundwater recharge

T he Projec ts

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Calabasas City-W ide Green S treet Project• 6 ac- ft of runoff• Urban greening • Groundwater recharge

T he Projec ts

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CalTrans R OW S tormwater Project• 15 ac- ft of runoff• Groundwater recharge

T he Projec ts

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Desiderio Park• 3.8 ac neighborhood park• Infiltration of on- site runoff• R educe localized flooding• N ew habitat and

recreational green space

T he Projec ts

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Durfee Avenue S treet and Median Improvement Project• B ioretention areas for

runoff• Urban greening• Pedestrian

connectivity/ safety

T he Projec ts

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Eaton Wash LFD• L FD to route dry weather

flows to W ater R eclamation Plant

• W ater Conservation

T he Projec ts

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Echo Park Lake R ehabilitation• 305 ac- ft of runoff• Capture and treatment• R educed localized flooding• E nhanced aquatic habitat

T he Projec ts

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Elmer Avenue Green S treet• 16 ac- ft of runoff• E nhanced flood control• Groundwater recharge• Urban greening

T he Projec ts

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Foothill Boulevard L ink B ikeway & Greenbelt Project • S tormwater capture

and infiltration• Urban greening• E nhanced pedestrian

connectivity

T he Projec ts

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Garvanza Park S tormwater C apture Project• 50 ac- ft of runoff• Capture and reuse• W ater conservation

T he Projec ts

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Glenoaks- S unland S tormwater C apture• 28 ac- ft of runoff• E nhanced flood control• Urban Greening

T he Projec ts

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Green Street Demonstration Project• (4) B ioretention rain gardens• Urban greening

T he Projec ts

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Hansen Dam W etlands R estoration• 31 ac- ft of runoff• R estored habitat • E nhanced green space• Groundwater recharge

T he Projec ts

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Hermon Dog Park• L FD dry weather flows

to sewer• T reat wet weather

flows through biorention areas

• Urban greening• W ater conservation

T he Projec ts

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Laurel Canyon B oulevard Green S treet• 50 ac- ft of runoff• E nhanced flood control• Urban Greening

T he Projec ts

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LA Zoo Parking Lot R etrofit• 25 ac- ft of runoff• R educe localized flooding• R educe “heat is land” effect

T he Projec ts

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Manchester Greenway• 2 ac- ft of runoff• W ater conservation• Improved public health

T he Projec ts

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Marshall Community Park• N ew recreational park

space and habitat• R educe localized flooding• R educe “heat is land”

effect

T he Projec ts

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McCambridge Park• 26 ac- ft of runoff• E nhanced habitat• Groundwater recharge

Bioretention Area

Underground Infiltration System

Permeable Pavement

T he Projec ts

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Montebello B oulevard• B ioretention and

treatment of runoff• Urban greening• E nhanced pedestrian

connectivity

T he Projec ts

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Montezuma Avenue• B ioretention rain garden• E nhanced recreational

green space

T he Projec ts

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North Hollywood Green Alley• 14 ac- ft of runoff• W ater conservation• Improved public health

T he Projec ts

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North Atwater Creek R estoration• 39 ac- ft of runoff• S treambed restoration• E nhanced open space/ habitat

T he Projec ts

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Oros Green S treet• 3 ac- ft of runoff• R educed localized

flooding• Pre- treatment to L A R iver

T he Projec ts

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Ramona Avenue• B ioretention rain garden• Urban greening

T he Projec ts

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Ramona Rain Gardens• 1 ac- ft of runoff• W ater conservation• Improved public health

T he Projec ts

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Riverdale Avenue Green S treet• 14 ac- ft of runoff• W ater conservation• Improved public health

T he Projec ts

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Rosemead B oulevard S afety and B eautification• B iorentention of runoff• Urban greening• Aesthetic beautification

T he Projec ts

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Rubio Wash LFD• L FD to route dry weather

flows to W ater R eclamation Plant

• W ater Conservation

T he Projec ts

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Sun Valley Park S tormwaterInfiltration Project• 30 ac- ft of runoff• R educe localized flooding• Groundwater recharge• E nhanced green space

and habitat

T he Projec ts

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Temple City Parking L ot R etrofit• On- site L ID• Urban greening• Aesthetic beautification

T he Projec ts

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Woodman Avenue Median Green S treet• 46 ac- ft of runoff• R educe localized

flooding• W ater conservation

L ooking AheadUL AR E W MP

R egional PermitMonitoringIdentify, based on lessons learned, monitoring program elements for optimization

SynchronicityEnhance regulatory correlation among the various Regional/ State permits impacting water quality

Watershed-specific metricsRecognize uniqueness of the various watersheds and provide allowances for compliance reporting metrics

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Implement • Learn • Rework

Upper L os Angeles R iver W MG60

T he hard w orking agenc y staff and c onsultants of the UL AR W MG

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T hanks !Any questions?You can find me at dawn.petschauer@lacity.org