- (a) The rules of this part shall apply to small CWSs, as defined in Env-Dw 103.55, including small CWSs that are being reactivated after being inactive for 6 months for reasons other than a normal seasonal shutdown.
- (b) CWSs, as defined in Env-Dw 103.11, that are large community water systems as defined in Env-Dw 103.27 or have fire protection provided by street hydrants or use surface water as a source of supply shall meet the requirements set forth in Env-Dw 302 and Env-Dw 404, as applicable.
- (c) Vacation home developments and conversions from transient use occupancy to year-round residential use shall be considered CWSs as specified in Env-Dw 401.02(a) through (e).
- (d) Water systems designed or intended as CWSs as specified in Env-Dw 401.02(a) through (e), with fewer than 15 service connections and fewer than 25 people being served, shall be subject to the requirements of this part.
- (e) For existing small CWSs that propose to expand or be modified, and those that are ordered by the department to make water system improvements, the design criteria of this part shall apply only to the component(s) of the small CWS affected by the proposed expansion, modification, or both. For the purposes of this part, “modified” means altered, added to, expanded, or enlarged.
Source. #14158, eff 12-25-24 (formerly Env-Dw 405.02)