1 / 14

Duluth’s Storm Sewers

Duluth’s Storm Sewers. Chris Kleist. Overview. My background About Duluth Storm sewer 101 June flood Flooding issues Considerations . Background. Ely, MN Outdoors Guiding Stormwater and Wastewater Industry. Today. Program Coordinator - Stormwater MS4 Permit Compliance

ernst
Download Presentation

Duluth’s Storm Sewers

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Duluth’s Storm Sewers Chris Kleist

  2. Overview • My background • About Duluth • Storm sewer 101 • June flood • Flooding issues • Considerations

  3. Background • Ely, MN • Outdoors • Guiding • Stormwater and Wastewater Industry

  4. Today • Program Coordinator - Stormwater • MS4 Permit Compliance • Duluth’s Utilities

  5. Duluth • 26 miles long • 883 feet elevation • 431 miles storm sewer pipe • 12,000 catch basins • 5600 manholes • 100+ miles of ditching

  6. Duluth • 26 miles long • 883 feet elevation • 431 miles storm sewer pipe • 12,000 catch basins • 5600 manholes • 100+ miles of ditching

  7. MS4 Program • Stormwater NOT treated • Series of Minimum Control Measures and Best Management Practices • Education • Illicit discharge • Inspections • Good housekeeping

  8. Stormwater Basics • Rainwater and snowmelt • Impervious surface • Pollution sources • MEP

  9. Duluth Stormwater Program • Illicit Discharge • Stormwater Billing • Best Management Practices (BMPs) • Structural • Non-structural • Runoff, erosion, and sediment issues

  10. Duluth Stormwater Program • Cleaning • Maintenance • Inspection • Plan review • Technical assistance

  11. Storm Sewer Challenges • Trout streams • Pollution • Sediment • Temperature • DNR • Maintenance • Fish passage

  12. Storm Sewer Challenges • Volume Control • Infiltration • Rate control • Water Quality

  13. Storm Sewer Challenges • Budget • Old system • Increasing regulations • MS4 • TMDL • Non-Degradation

More Related