Cal. Health & Safety Code § 116682
(a)
(1) The state board, in circumstances described in subparagraph (A) or (B), may order consolidation with a receiving water system as provided in this section and Section 116684. The consolidation may be physical or operational. The state board may also order the extension of service to an area within a disadvantaged community that does not have access to an adequate supply of safe drinking water so long as the extension of service is an interim extension of service in preparation for consolidation. The consolidation shall occur within six months of the initiation of the extension of service. The state board may set timelines and performance measures to facilitate completion of consolidation.
(b) Before ordering consolidation or extension of service as provided in this section, the state board shall do all of the following:
(8)
(10)
(11) If the potentially subsumed water system to be consolidated into the receiving water system is an at-risk water system, the state board shall do all of the following:
(C)
(c) If a consolidation or other means of providing an adequate supply of safe drinking water has not been negotiated by the potentially receiving water system and the potentially subsumed water system before the expiration of the deadline set by the state board pursuant to paragraph (8) of subdivision (b), the state board shall do the following:
(2)
(d) Before ordering consolidation or extension of service, the state board shall find all of the following:
(e) Upon ordering consolidation or extension of service, the state board shall do all of the following:
(g)
(1) For purposes of this section, fees, charges, and terms and conditions that may be imposed on new and existing customers of a receiving water system shall be subject to the following limitations:
(2)
(i) When a public water system is operated by a local educational agency, the state board may order a receiving water system to consolidate or extend service to a public water system operated by a local educational agency pursuant to this section if both the following additional conditions are met:
(j)
(3)
(A) Notwithstanding any other law, any owner of a domestic well that serves a rental property and is located within the consolidation or extended service area who does not provide written consent shall ensure that tenants of rental properties served solely by that domestic well have access to an adequate supply of safe drinking water and, until consent is provided, shall do all of the following:
(C) If wellhead treatment is used to meet the requirement of subparagraph (B), the domestic well owner shall do both of the following: