Meeting Goals
- Raise awareness of the importance of good storm water management
- Inform the public on the city's current pollution prevention plan
- Take public comments and suggestions on the pollution prevention plan
Meeting Agenda
- Discussion of NPDES phase II permit
- Summary of storm water pollution prevention plan (SWPPP)
- Public comments and questions
NPDES Phase II Permit
- National Pollution Discharge Elimination System
- 1987 amendment to the EPA Clean Water Act
- Hopkins along with 110 other Minnesota cities are included in the program
Types of NPDES Permits
- MS4 (municipal small storm sewer systems)
- Construction
- Industrial
Permit Overview
- Develop a storm water pollution prevention plan (SWPPP) customized for Hopkins
- Permit period from 2003 to 2008
- Annual reporting to Minnesota Pollution Control Agency
- Annual review at city level to make adjustments as needed
What is a SWPPP?
- List of best management practices (BMP's) to be implemented
- Targeted to address six minimum control measures (MCM)
- Includes measurable goals
- Timeline established
- Educational goal for each MCM
What is a BMP?
- Practice intended to control pollution
- Structural examples - sediment pond, grass filter strip, sump catch basin
- Non structural examples - education to reduce pollution, street sweeping, zoning rules to protect water quality (wetland buffers)
Six Minimum Control Measures (MCM)
- Public education and outreach
- Public participation and involvement
- Illicit discharge detection and elimination
- Construction site storm water runoff control
- Post-construction storm water management
- Pollution prevention / good housekeeping for municipal operations
What Does the Hopkins SWPPP Include?
- Summary sorted by completion timeline (annual items, year 1, year 2, etc.)
- Summary includes, MCM, measurable goal, responsible person, timeline and if here is an educational component
- Detailed description, single page per BMP
SWPPP Summary
SWPPP - Annual Items
- Annual meeting, public input
- Inspect 100% of structural pollution control devices city wide
- Inspect 20% of outfalls and ponds city wide
- Determine maintenance needs based on inspections (pond dredging, repair outfalls, locate source of illicit discharge
SWPPP - Year 1
- Map storm sewer system
- Map structural pollution control devices such as stormceptors
What Is a Stormceptor?- Structural treatment device
- Collects sediment and floatables
- Can reduce Total Suspended Solids by 50% to 80% annually
- Allows larger flows to bypass treatment
- Map ponds
- Map outfalls
SWPPP - Year 2
- Erosion control ordinance for construction sites
- Develop procedure for responding to complaints
- Educate contractors, developer, homeowners, city staff on the new process
SWPPP - Year 3
- Develop hotline for reporting illicit discharges and other storm water related concerns
- Advertise phone number to the public and solicit help and input
SWPPP - Year 4
- Develop partnerships on educational programs with groups such as Minnehaha Creek Watershed District and 9 Mile Creek Watershed District
- Regulate illicit discharge through code changes
- Identify high risk areas for illicit discharges
- Educate city staff on good housekeeping
SWPPP - Year 5
- Develop stormwater web site
- Communicate educational messages through utility bill inserts
- Implement city staff training on good housekeeping ( street sweeping, grass cutting, fertilizer application)
Annual Reporting
- Summarize goals met this year
- Notify MPCA of modifications to SWPPP
- Include comments received from the public and how they were addressed