Code of Massachusetts Regulations
105 CMR - DEPARTMENT OF PUBLIC HEALTH
Title 105 CMR 435.000 - Minimum Standards For Swimming Pools (state Sanitary Code: Chapter V)
Operation and Maintenance
Section 435.26 - Waste Water and Backwash Water Disposal
Current through Register 1531, September 27, 2024
(1) No waste water resulting from draining of a swimming, wading or special purpose pool or backwash water may be discharged on the watershed of a public surface water supply without prior approval of the Department of Environmental Protection. Any waste water resulting from draining a swimming, wading or special purpose pool shall be dechlorinated prior to its discharging.
(2) No waste water resulting from draining a swimming, wading or special purpose pool or backwash water may be discharged into a storm drain without approval of the agency having control over such facilities .
(3) Waste water resulting from draining a swimming, wading or special purpose pool or backwash water may be discharged to a subsurface disposal system if it is specifically designed for that purpose and approved by the appropriate agency.
(4) Diatomaceous earth filter backwash water must be discharged through a separation tank.
