National Pollutant Discharge Elimination System - NPDES
- NPDES Introduction
This page can be accessed as www.mi.gov/eglenpdes.
Water quality protection has been a long-standing concern in Michigan. An effort to protect Michigan's water resources began early in the twentieth century, with the enactment of the Michigan Water Resources Commission Act (Act 245) in 1929.
The NPDES permit process was initiated by The Federal Water Pollution Control Act amendments of 1972. The purpose of the program is to control the discharge of pollutants into surface waters by imposing effluent limitations to protect the environment.Read More
- Who needs an NPDES permit?
- How to Apply for an NPDES permit
- Introduction to MiWaters for facilities covered under NPDES.
- Watershed basins and permit reissuance
- Water Quality Parameters
- Permits Section Staff
- NPDES (Surface Water) Discharge Staff Map
- NPDES Compliance Assistance
- NPDES Fees
- NPDES Citizens Guide
- Ballast Water Control
- Concentrated Animal Feeding Operation (CAFO)
- CAFO Staff Map
- 316(b) Cooling Water Intake Structure Guidance
- PFAS information related to NPDES
- Groundwater Monitoring Guidance for NPDES Lagoons
- Eagle Mine LLC-Humboldt Mill
- Asset Management
- Gerald R. Ford International Airport
- Great Lakes Water Authority / Detroit Water and Sewerage Department (DWSD)
- Selenium Projects at Empire and Tilden Mines
- Pesticide Control
- Various Studies and Reports
- Whole Effluent Toxicity Regulation In Michigan
- Aquatic Invasive Species Mobile Boat Wash Wastewater Guidance
- Reporting Results Below Quantification