These regulations govern the proper siting, construction, upgrade, and maintenance of septic systems and the transport and disposal of sanitary sewage.  Local boards of health implement Title 5 on behalf of the Commonwealth.

310 CMR 15.00: Septic Systems  pdf format of 310 CMR 15.00: Septic Systems

This version of the regulation was last amended in January 2014. 

310 CMR 15.00 Email for questions:

310 CMR 15.00: Proposed Amendments & Public Comment

  • There are no proposed regulations out for public comment at this time.

310 CMR 15.00: Recently Promulgated Amendments

Additives, Conditioners, and Effluent Filters Forms

Title 5 Enforcement Forms

Title 5 Innovative/Alternative Technologies Forms

Title 5 Inspections and Pumping Forms

Title 5 New Construction and Repairs Forms

Title 5 Shared Systems Forms

Title 5 Variances and Local Upgrade Approvals Forms