Storm Sewer MapStorm Sewer Map DevelopmentDevelopment
Presented by:Presented by:Kurt WhitedKurt Whited
Why Map Storm Sewers?As required by 327 IAC 15-13-14, Allen County must map all knownStorm water outfall conveyance systems under the MS4 Operator’scontrol with a pipe diameter of twelve (12) inches or larger and openDitches with a two (2) foot or larger bottom width within the first five(5)year permit term.
Permit term ends 2009
MS4 – Municipal Separate Storm Sewer System
Conveyance – Any structural process for transferring storm waterbetween at least two (2) points
It’s Fun
Allen County’s PlanMS4 Boundary
Allen County MS4 Area
Allen County’s PlanMS4 Boundary
Subdivisions
Allen County MS4 Subdivisions
Allen County’s PlanMS4 Boundary
Storm Sewers
Subdivisions
Subdivision Storm Sewer Mapping
Required – Outfall Conveyance
Database Design
Manhole
Inlet
Structure
Grade beam or Control outlet
Pipe
Job
Allen County’s PlanMS4 Boundary
Storm Sewers
County Regulated Tiles
Subdivisions
County Regulated Tiles
Estimated Feet of Conveyance = 1,003,200
Allen County’s PlanMS4 Boundary
Storm Sewers
County Regulated Tiles
Subdivisions
County Regulated Ditches
County Regulated Ditches
Estimated Feet of Conveyance = 567,600
Allen County’s PlanMS4 Boundary
Storm Sewers
County Regulated Tiles
Subdivisions
County Regulated Ditches
Industrial Sites
Allen County MS4 Industrial Sites
Allen County’s PlanMS4 Boundary
Storm SewersCounty Regulated Tiles
Subdivisions
County Regulated DitchesIndustrial Sites
Hazardous Chemical Sites Well Head Locations
Septic Locations
What does this mean for Allen County?
Whole county to follow
Used as first response to drainage complaints
Used to locate point source pollution
Used to tabulate number of complaints geographically
Historical referenceWeb access
Delineation of Potential Reconstruction and Maintenance
Questions?