Storm Sewer System (MS4) Annual Update National Pollutant Discharge - - PowerPoint PPT Presentation

Municipal Separate Storm Sewer System (MS4) Annual Update

National Pollutant Discharge Elimination System:

• Is a Federal Permit to municipalities who
• perate a MS4, administered in Minnesota

by the Minnesota Pollution Control Agency

• Five year permit cycle 2013-2018
• Permit includes the Storm Water

Pollution Prevention Plan

Stormwater Pollution Prevention Plan includes:

• 1. Public Education and Outreach
• 2. Public Participation/Involvement
• 3. Illicit Discharge Detection and Elimination
• 4. Construction Site Storm Water Runoff

Control

• 5. Post-Construction Storm Water

Management

• 6. Pollution Prevention/Good Housekeeping

for Municipal Operations

2019 Tasks and Accomplishments

Public Education and Outreach

• East Metro Water Resources Education

Program, Washington Conservation District

• Tamarack Nature Preserve Tour
• Staff trainings: salt, turf grass, illicit discharge

detection and elimination

• Watershed Partners
• Master Water Stewards
• STEM Saturdays
• Storm Drain Marking
• Promote Adopt-A-Drain

Illicit Discharge Detection and Elimination

• Illicit Discharges are anything but rain

water and snow melt that enters the City’s stormwater system

• This part of the permit requires the City

to have a system to identify and remove these non-stormwater discharges

• Stormwater PSA video

Construction Site Stormwater Runoff Control

• Inspection of active sites every other

week and after 0.5 inches of rain

• Notified sites of violations and corrective

actions required

Post-Construction Storm Water Management

• 20 Projects reviewed for compliance with

stormwater standards in 2019

Pollution Prevention/Good Housekeeping for Municipal Operations

• Pond Maintenance project:

12 ponds

• Barley Straw treatment in 3

ponds to decrease algae growth

• Water Quality Monitoring
• Pond Inspections
• Vegetation Management

Project

Please submit comments and questions at woodburymn.gov/SWPPP