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Surface Water Discharge Permitting (NPDES)

The National Pollutant Discharge Elimination System (NPDES) permit program is administered by the US EPA and MassDEP. The NPDES program controls water pollution by regulating point sources that discharge pollutants to surface waters.

Frequently Asked Questions

How to obtain various classes of NPDES permits.
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Industrial Wastewater

MassDEP's Industrial Wastewater Management Program.
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Surface Water (NPDES) Guidance and Policies

infiltration and Inflow management and more.
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Surface Water (NPDES) Regulations

314 CMR 2.00, Permit Procedures; 314 CMR 4.00, Surface Water Quality Standards; 314 CMR 9.00, 401 Water Quality Certification (Dredging); and 310 CMR 30.00, Hazardous Waste Regulations relating to dredged material.
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Stormwater

Stormwater management and permitting in Massachusetts.
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