Surface Water Discharge Permitting (NPDES) Policies & Guidance

These documents explain how MassDEP handles surface water discharge permits.

MassDEP is currently pursuing delegation from US EPA for NPDES authorization. 

Several MassDEP program areas have policies and guidance documents that relate to NPDES permitting: surface water, combined sewer overflows, residuals, sewer collection systems, and stormwater.


Table of Contents

NPDES Authorization

Surface Water Policies & Guidance

Combined Sewer Overflows Policy & Guidance

Residuals & Biosolids Policies & Guidance

Sewer Collection Systems Policies & Guidance

Stormwater Policies & Guidance