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Wastewater & Septic Systems
MassDEP's wastewater programs protect public health and the environment through regulation of discharges from treatment plants, industrial facilities, sewers, and other sources; ensuring the safety of septic systems and alternative septic treatment technologies; and preventing pollution from stormwater runoff.
The Groundwater program seeks to ensure the protection of groundwater quality in Massachusetts through regulating discharges to groundwater sources.
Beneficial reuse of biosolids.
Resources for permitting, designing, siting, installing, and maintaining septic systems, as governed by Title 5 of the State Environmental Code.
MassDEP regulates sanitary sewers and combined sewer overflows.
The NPDES permit program controls water pollution by regulating point sources that discharge pollutants into surface waters.
MassDEP regulates the discharge, treatment and storage of industrial wastewater to preserve and protect inland and coastal surface waters, groundwater, and sewer systems.
Proper stormwater management helps control pollution from runoff and discharges.
The SRF Program provides low interest loans to cities, towns, and other local governmental units for drinking water & wastewater-related infrastructure projects.
Wastewater reuse refers to the reclaiming of wastewater with advanced treatment so that it can be reused safely for applications such as landscaping, irrigation, and toilet flushing.
Resources for treatment plant operators, including contact information, guidance, and forms.
Groundwater discharge, industrial wastewater, residuals, sewers, stormwater, NPDES, and wastewater operator certification.
MassDEPs policies and guidance documents for wastewater.
Massachusetts regulations & standards documents for wastewater. | 
priorities & results
wastewater & septic system
