Under state and federal rules, the City of New Ulm has been classified as a Municipal Separate Storm Sewer System (MS4) community. As such, the City must develop, implement and enforce a Storm Water Pollution Prevention Plan (SWPPP) that is designed to minimize the discharge of pollutants from its storm sewer system in order to protect the water quality of the receiving waters in accordance with the Federal Clean Water Act (CWA) and its amendments.
This Storm Water Pollution Prevention Plan is a local plan that has been prepared with the purpose of meeting the requirements of the Federal National Pollutant Discharge Elimination System (NPDES) Phase II permit. It is also intended to lay out the steps required to implement the phosphorous Total Maximum Daily Load (TMDL) requirements for the Minnesota River.
Best Management Practices
Best Management Practices (BMPs) are to be used to meet the minimum requirements of the NPDES Phase II permit. Those practices include:
Pollution control techniques
As well as local provisions deemed appropriate
Minimum Control Measures 5-Year Plan
The City's 5-year plan to meet each of the six Minimum Control Measures (MCM) described by the permit. The tasks described are not one-time efforts; they will continue throughout the permit period and beyond to maintain water quality. They are: