DEQ - NPDES Permits

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NPDES Permits

National Pollutant Discharge Elimination System

This page can be accessed as www.mi.gov/deqnpdes.

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 ...

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Information

• Who needs an NPDES permit?

• How to Apply for an NPDES permit

• Watershed basins and permit reissuance

• Water Quality Parameters

• Permits Section Staff

• NPDES Fees

• Ballast Water Control

• Concentrated Animal Feeding Operation (CAFO)

• 316(b) (Thermal Intake Structure) Guidance Document PDF icon