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National Pollutant Discharge Elimination System (NPDES)

What is NPDES?

EPA and state NPDES programs regulate:

National Links

NPDES Home

On this page:

Public Notices and Announcements

You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.

Public Notice: Union Township Wastewater Treatment Plant - Union Charter Township

Public notice - comments accepted through May 8, 2017

EPA proposes to reissue a NPDES permit for the treated wastewater discharges from the Union Township Wastewater Treatment Plant located within the exterior boundaries of the Isabella Indian Reservation located in Union Charter Township, Michigan (Isabella County) to be issued by EPA.

Bad River Band of Lake Superior Tribe of Chippewa Indians

Lake Michigan Car Ferry, Inc., S.S. Badger

Ohio Concentrated Animal Feeding Operations Program

"No Discharge" Zones

"No Discharge" zones are designated bodies of waters that prohibit the discharge of treated and untreated boat sewage.

Illinois Surface Discharge Permit (ILG62)

EPA’s National Pollutant Discharge Elimination System general permit authorizes discharges of pollutants to waters of the United States from New or replacement surface discharging systems in Illinois.

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.

State NPDES Programs

All the Region 5 states are authorized to administer the NPDES Program Exit EPA

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.


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