The following activities do not require a permit under 314 CMR 20.00, 314 CMR 3.00 or 314 CMR 5.00:
- (1) The construction, installation, modification, operation, and maintenance of an on-site subsurface sewage disposal system that is constructed, installed, operated and maintained in accordance with 310 CMR 15.000, including without limitation, an on-site subsurface sewage disposal system that provides for the reclamation, recycling or reuse of greywater, an alternative system that has a soil absorption system that provides drip irrigation, a system that provides aquifer recharge by discharging effluent within a Zone II, Interim Wellhead Protection Area, or a Private Water Supply Area, or a system that discharges effluent to a soil absorption system located within 100 feet of an irrigation well;
- (2) The construction, installation, modification, operation, and maintenance of a satellite reclaimed water system, provided that the satellite reclaimed water system is constructed, installed, modified, operated and maintained in accordance with 314 CMR 20.00, a Reuse Management Plan approved by the Department, and a Service and Use Agreement approved by the Department;
- (3) The construction, installation, modification, operation, and maintenance of a system that manages stormwater so that it may be used for irrigation provided that the stormwater is protected from exposure to any land uses with higher potential pollutant loads; and
- (4) The construction, installation, modification, operation, and maintenance of a system that manages uncontaminated water so that it may be beneficially used, including, without limitation, a system that uses uncontaminated runoff from non-metal roofs for toilet flushing in accordance with the requirements of the Massachusetts Uniform Plumbing Code, 248 CMR 10.00.