Links to the EPA and DEP Regulations

*NEW* Massachusetts Small MS4 General Permit
https://www.epa.gov/npdes-permits/massachusetts-small-ms4-general-permit 

The History of the Clean Water Act:
https://www.epa.gov/laws-regulations/history-clean-water-act 

All EPA NPDES Stormwater Permit Programs in New England
https://www.epa.gov/npdes-permits/npdes-stormwater-permit-program-new-england 

MS4 Communities in Massachusetts (view NOI and reports):
https://www.epa.gov/npdes-permits/regulated-ms4-massachusetts-communities 

Massachusetts Department of Environmental Protection – Stormwater:
https://www.mass.gov/service-details/stormwater 

Massachusetts Impaired Water Bodies 
https://www.mass.gov/lists/integrated-lists-of-waters-related-reports 

Chelmsford’s Impaired Water Map
https://www3.epa.gov/region1/npdes/stormwater/ma/305b303dMaps/Chelmsford_MA.pdf