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What is MnDOT Metro District doing in the Stormwater Pollution Prevention Program (SWPPP)?
Below is a summary of activities planned for each of the six minimum control measures:
- Develop and distribute educational materials to inform citizens about the impacts polluted stormwater runoff can have on water quality.
- Form partnerships with other MS4’s to more effectively distribute public educational materials.
- Incorporate new and updated educational materials/information into existing program.
- Provide opportunity for public participation and comments through our Annual Meeting and the feedback link on this MS4 Website.
- Develop a storm sewer system map that identifies MnDOT Metro District’s pipes (at least 24 inches or larger), manholes, catch basins, aprons, ditches, outfalls, ponds, sediment basins and structural pollution control devices.
- Develop and implement a plan to detect and address non-stormwater discharges on our right of way.
- Effectively prohibit non-stormwater discharges into our storm sewer system and implement enforcement procedures and actions.
- Educate employees, volunteers and the public of the hazards from illegal discharges and the improper disposal of wastes.
4. Construction Site Discharge Controls
- MnDOT Metro District follows all NPDES requirements for construction including:
- Implementing proper erosion & sediment controls and controls for other wastes on construction sites of one acre or greater in size
- Implementing procedures for site plan review
- Implementings site inspection and enforcement of control measures with sanctions to ensure compliance
- Implementing procedures for receipt and consideration of information submitted by the public
- Permit language which addresses volume, rate and quality of stormwater discharging onto MnDOT Metro right of way will be incorporated into existing permit requirements.
- Training is provided for:
- Erosion and sediment control practices during maintenance activities.
- Proper maintenance practices at facilities (truck stations and buildings) including stockpile areas, storage and hazardous waste areas, material handling areas and fleet operation areas.
- Proper inspection of stormwater systems.
- Illicit discharge detection and elimination.
- Street sweeping practices in the spring of each year will continue
- Anti-icing and de-icing methods will continue to be analyzed and low environmental impact measures will be incorporated where available.
- The vegetation management program will continue.
- Structural pollution control devices, ponds, sediment basins, outfalls, pipes, manholes, catch basins and aprons will continue to be inventoried and inspected.
- Cleaning and repair projects involving pipes, ponds, and structural pollution control devices will continue to occur.
- All inspection, cleaning and repair activities will be recorded and optimum frequencies will be determined.
Click here to view MnDOT Metro District’s SWPPP.