All states / California

Navigation and official starting points

California septic information

SepticScope is re-reviewing county pages under a stricter local-value standard. The published guides below contain enough local authority, process, contact, record, fee, inspection, rule, or source detail to remain public. Other county pages are withheld rather than presented as finished local research.

Published local guideSan Bernardino County, CaliforniaSan Bernardino County Land Use Services — Building and Safety, with Department of Public Health Environmental Health Services (EHS) wastewater reviewPublished local guideSan Diego County, CaliforniaCounty of San Diego Department of Environmental Health and Quality (DEHQ) — Land and Water Quality / Onsite Wastewater Treatment Systems

Get official help while local research is in progress

Ask which agency has onsite-wastewater authority for the legal parcel, then confirm permits, site or soil evaluation, approved design, inspections, setbacks, fees, operating requirements, maintenance obligations, records, and current professional credentials.