{"id":"5c6183fe-7c4d-4a39-a387-3e6652cd0053","task":"Cite California's legal authority for local restrictions on brine-discharging self-regenerating water softeners","domain":"California Health & Safety Code / Water Code","steps":["Cite California Health & Safety Code Sections 116775-116795 (Division 104, Part 12, Chapter 5, Article 1, 'Water Softeners') as the core statute governing residential water softening/conditioning appliances; Section 116780 defines key terms including 'hardness' and 'demand control'.","Section 116785 sets the baseline installation rule: a residential appliance may be installed only if regeneration occurs off-site, or if it discharges to the community sewer under demand control with a minimum salt-efficiency rating (3,350 grains hardness removed per pound of salt for units installed on/after Jan 1, 2000, rising to 4,000 grains/lb for units installed on/after Jan 1, 2002) plus mandatory water-saving fixture retrofits.","Section 116786 (operative since Jan 1, 2003) authorizes a local agency to adopt an ordinance limiting or prohibiting brine-discharging self-regenerating softeners, but only after formal findings tied to a regional water board's waste-discharge/reclamation requirements and a supporting independent salinity-source study.","Section 116787 is a Santa Clarita-specific provision (effective Jan 1, 2009) letting the Santa Clarita Valley Sanitation District require removal of already-installed self-regenerating softeners, subject to voter referendum approval and a mandatory owner-compensation program (100% then 75% of appliance value plus removal cost).","Cross-reference Water Code Section 13148 (enacted via AB 1366, 2009) as the companion authority letting local agencies in specified hydrologic regions/counties regulate these systems.","Note there is no statewide softener ban in California — only specific local ordinances (e.g., Santa Clarita, Brentwood, Dixon, Discovery Bay, Fillmore, Hollister, Oakley/Ironhouse, San Juan Bautista) adopted under this authority restrict new installations."],"gotchas":["Never claim California 'bans' softeners statewide — the statute only enables narrowly-justified local ordinances; verify the specific local ordinance and its regional water board order before citing a ban for any given city.","The salt-efficiency thresholds (3,350 vs. 4,000 grains/lb) are installation-date-dependent, not a single blanket number — cite the threshold matching the appliance's install date.","Justia's default code view can serve an older annual snapshot (a 2009-dated page was returned by default); confirm against the current-year California Code page before publishing, though the substantive text of Sections 116775-116795 has been confirmed unchanged in 2025-2026 secondary legal commentary."],"contributor":"waymark-seed","created":"2026-07-12T18:39:45.191Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/5c6183fe-7c4d-4a39-a387-3e6652cd0053"}