1. City of Forest Lake MS4 Program
Program Year 2017 Annual Meeting
Tim Olson, PE, CFM
Water Resources Project Manager
Bolton & Menk, Inc.
Dave Adams
Public Works Superintendent
City of Forest Lake

2. Annual Meeting Schedule
Forest Lake’s MS4 Background
Current Progress of Stormwater Pollution Prevention Plan (SWPPP)
Significant Accomplishments
Future Work
Open Conversation

3. MS4 Background “Municipal Separate Storm Sewer System”
Clean Water Act (1972)
MPCA Initiated MS4 Permit in 2002
Forest Lake MS4 since 2007
Current Permit: August 1, 2013 and ends in 2018
Permit gives “authorization to discharge stormwater”
Environmental protection using:
Regulatory mechanisms
Education/outreach
Implementation

4. Strong Partnerships
Clear Lake Association
Forest Lake Association

5. MS4 Annual Report Submitted on May 24th, 2018.
Total Maximum Daily Load Spreadsheet updated.
Approved June 12th, 2018.

6. Minimum Control Measures (MCM)
Stormwater Pollution Prevention Plan (SWPPP) includes:
Public education and outreach
Public participation
Eliminate illicit discharges to the
storm sewer
Construction-site runoff controls
Post-construction runoff controls
Pollution prevention and municipal
“good housekeeping”

7. Public Outreach and Education
Partnership with Washington County, Washington Conservation District, Comfort Lake Forest Lake Watershed District, Rice Creek Watershed District.
East Metro Water Resource Education Program (EMWREP)
Landscaping Workshops
Rain Garden Maintenance
Workshops
AIS Identification Workshops
Professional Training for Business
and Local Gov.
Materials and Resources

8. Significant Accomplishments
Forest Lake High School Stormwater Reuse Project
BWSR Clean Water Fund Grant – 2017
Final Design and Bids Awarded
Construction to Begin Soon!
Education/Curriculum with High School Teachers
Shields Lake Stormwater Harvest, Irrigation Reuse System, and Alum Treatment
Construction Fall 2018.

9. Significant Accomplishments
Forest Lake Enhanced Street Sweeping Plan
Accelerated Implementation Grant – Enhanced Street Sweeping Plan
BWSR Clean Water Fund Grant – 2017
Purchase Sweeper in Early Summer 2018
Hilo Lane Stormwater Retrofit Project
Finalized IESF
Diagnostic and Monitoring Work
Ordinance Updates

10. Forest Lake High School Stormwater Reuse Project
2016 BWSR Clean Water Grant
Awarded: $505,000
Total Grant: $631,250
Ranked 5th Overall
Educational Curriculum
Lessons related to the project
Potential connection to all subjects
Irrigation Area = 8.0 to 14.0 acres
Total Phosphorus Reduction = 19.5 lbs/year
Potable Water Reduction = 4.1 million gallons/year

11. Forest Lake High School Stormwater Reuse Project
Goodview Ave
Hwy 97 (Scandia Tr)
201th St N
Hwy 61 (Forest Blvd)

12. Shields Lake Stormwater Harvest, Irrigation Reuse System, and Alum Treatment
Project components:
Stormwater harvest pond
Golf course irrigation reuse system (Forest Hills Golf Course)
Whole-lake alum treatment
Reduce phosphorus loads enough to achieve water quality goal for Shields Lake
Reduce loads to Forest Lake middle basin by up to 205 lbs/yr
Project budget = ~$1M
Clean Water Fund grant = $824,000

13. Forest Lake Enhanced Street Sweeping Plan
Create plan to maximize cost effectiveness and optimize phosphorus removal
Road-specific street sweeping timing & frequency
Quantify load reductions
Itemize costs & recommend funding options
Project budget = $41,000
Clean Water Fund Grant = $36,000

14. Forest Lake Wetland Treatment Basin Project (a. k. a
Forest Lake Wetland Treatment Basin Project (a.k.a. 3rd Lake Pond Project)
Restoration of degraded wetland
Nutrient-rich sediment excavation
Native vegetation restoration
Protection of existing and incorporation of new native buffers around basin
Removal of 56 lbs/yr of phosphorus
Project budget = $202,500
Clean Water Fund grant = $162,000

15. Future Work Continue implementation of SWPPP
Public outreach opportunities
NEMO Workshop Planning
Tour, Dinner, Conversation
Stormwater pond inspections
Field analysis nearly complete.
Prioritize pond maintenance.
Clear Lake Subwatershed Assessment

16. Future Work Castlewood Golf Course Dead end street projects
Rain garden restorations
Level spreaders
Rock filter berm
Iron-enhanced sand filter

17. Questions/Open Discussion