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National Pollutant Discharge Elimination System
National Links
EPA and State NPDES Programs regulate publicly owned treatment works and industrial facilities discharging directly to surface waters, industrial facilities discharging to publicly owned treatment works, beneficial reuse of municipal sewage sludge (biosolids), runoff from animal feeding operations, and storm water discharges.
NPDES Public Notices and Announcements
- Union Township Waste Water Treatment Plant, Isabella Indian Reservation
- Grand Traverse Indian Reservation
- Minnesota Department of Agriculture, Fond du Lac Band of Lake Superior Chippewa Reservation
- Bad River Band of the Lake Superior of Chippewa Indians
- Lake Michigan Car Ferry, Inc., S.S. Badger
- Ohio Concentrated Animal Feeding Operations Program
Other NPDES Programs
State NPDES Programs
All the Region 5 states are authorized to
administer the NPDES Program 
- Illinois Environmental Protection Agency
- Indiana Department of Environmental Management
- Michigan Department of Environmental Quality
- Minnesota Pollution Control Agency
- Ohio Environmental Protection Agency
- Wisconsin Department of Natural Resources
Permit Compliance System Data
Permit Compliance System (PCS) is a national computerized management information system that automates entry, updating and retrieval of National Pollutant Discharge Elimination System (NPDES) data and tracks permit issuance, permit limits and monitoring data, and other data pertaining to facilities regulated under NPDES.
Industrial Pretreatment Program
The Pretreatment Program controls and minimizes the loading of pollutants to publicly owned treatment works from industrial, non-domestic sources to protect against operational, water quality, biosolids quality and worker health and safety problems.
"No Discharge" Zones
"No Discharge Zones" are designated bodies of waters that prohibit the discharge of treated and untreated boat sewage.