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Forms & Documents > Septic System (Onsite Wastewater Treatment Systems) Documents

Name Description Type
BLD-3028-04212020-Digital-Submittal-for-Onsite-Wastewater-Treatment-Systems-Requiring-Corrective-Act Instructions for submitting permit for septic repairs File
County of San Luis Obispo LAMP 2020 Onsite Wastewater Treatment Systems Local Agency Management Program 2020 File
Countywide Rainfall Coverage Map Applicants reference this map to determine minimum parcel size for subdivision of parcels served by onsite wastewater treatments systems (OWTS) File
Existing Septic Verification Form Property owners and qualified professionals use this form to report the capacity and condition of the existing septic system (OWTS) to the County. (Form BLD-1019). File
Homeowner Guide to Septic Systems (English) Information for homeowners on proper operation and maintenance of residential septic systems (OWTS-English). File
Homeowner Guide to Septic Systems (Español) Information for homeowners on proper operation and maintenance of residential septic systems (OWTS-Español). File
LAMP FAQs Document A list of the most frequently asked questions regarding the Local Agency Management Program for Onsite Wastewater Treatment Systems (BLD-2026) File
Los Osos Prohibition Zone Map of Los Osos OWTS Prohibition Zone File
Permitted Liquid Waste Haulers Reference list of permitted liquid waste haulers (Form BLD-2027). To be added to the list, email [email protected] and provide a copy of the permit issued by the County of SLO Environmental Health Department. File
Septic Dos and Don’ts (English) Informational tips for property owners on prolonging the functionality of septic systems (OWTS-English). File
Septic Dos and Don’ts (Español) Informational tips for property owners on prolonging the functionality of septic systems (OWTS-Español). File
Septic Tank Inspection Report Qualified professionals use this form to report the results of septic system (OWTS) inspections to property owners and the County. (Form BLD-1030). File
Soil Conditions by Area Folder
State OWTS Policy State of California policy regulating Onsite Wastewater Treatment Systems (OWTS Policy) File
Top 10 Ways to be a Good Septic Owner 10 Tips for property owners to follow for maintaining septic systems (OWTS) in optimal condition from the EPA. File
Washing Machine Greywater Disposal Guide Guidelines for establishing an outdoor greywater disposal system for single family residential washing machines. (Form BLD-2008) File

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