Bolthole Index county-legal census · checked 2026-08-08
Septic permitting in Idaho runs through regional health districts covering 44 of 44 counties.Every entry below names the approving authority for that county, cited to the authority’s own page.
Septic rules change and some cities run their own programs — treat this as a verified starting point, not legal advice. All states → Idaho water rights & wells → Full Idaho profile →
44 counties · regional health districts · permit status scouted for 7
Central District Health (Ada & Boise Counties)
Central District Health – Water, Septic & Subdivisions ↗Southwest District Health (SWDH)
Southwest District Health - Septic & Land Development ↗Southeastern Idaho Public Health (one of Idaho's 7 public health districts)
Bannock County Planning and Development ↗Southeastern Idaho Public Health
Southeastern Idaho Public Health - Septic Permits ↗Panhandle Health District
Panhandle Health District ↗Eastern Idaho Public Health (EIPH), one of Idaho's 7 public health districts
Eastern Idaho Public Health Septic Permit Application ↗South Central Public Health District
Blaine County Code 9-24-5 Building Sites ↗Central District Health
Central District Health - Water, Septic & Subdivisions ↗Panhandle Health District
Panhandle Health District - Septic Permits ↗Eastern Idaho Public Health (EIPH)
Eastern Idaho Public Health ↗Panhandle Health District (Idaho public health district serving the five northern counties, including Boundary)
Panhandle Health District - Septic Permits & Records ↗Southeastern Idaho Public Health (SIPH)
Southeastern Idaho Public Health - Septic Permits ↗South Central Public Health District (District 5)
South Central Public Health District - Health Inspections and Septic Records ↗Southwest District Health
Southwest District Health — Septic & Land Development ↗Southeastern Idaho Public Health (SIPH)
Southeastern Idaho Public Health - Septic Permits ↗South Central Public Health District (District 5)
South Central Public Health District - Health Inspections and Septic Records ↗Eastern Idaho Public Health
Eastern Idaho Public Health - Septic ↗Public Health - Idaho North Central District
Public Health - Idaho North Central District - Septic Systems ↗Eastern Idaho Public Health
Eastern Idaho Public Health - Septic ↗Central District Health (Environmental Health Division)
Central District Health - Water, Septic & Subdivisions ↗Southeastern Idaho Public Health (SIPH)
Southeastern Idaho Public Health - Septic Permits ↗Eastern Idaho Public Health (District 7)
Eastern Idaho Public Health - Septic ↗Southwest District Health
Southwest District Health - Septic & Land Development ↗South Central Public Health District (PHD5)
South Central Public Health District - Health Inspections and Septic Records ↗Public Health - Idaho North Central District
Public Health - Idaho North Central District - Septic Systems ↗Eastern Idaho Public Health
Eastern Idaho Public Health — Septic ↗South Central Public Health District
South Central Public Health District - Health Inspections and Septic Records ↗Panhandle Health District
Panhandle Health District - Septic Permits & Records ↗Public Health - Idaho North Central District
Public Health - Idaho North Central District (Septic Systems) ↗Eastern Idaho Public Health
Eastern Idaho Public Health - Septic ↗Public Health - Idaho North Central District
Public Health - Idaho North Central District, Septic Systems ↗South Central Public Health District (SCPHD / District 5)
South Central Public Health District - Septic Records ↗Eastern Idaho Public Health (EIPH) - Idaho public health district
Eastern Idaho Public Health - Septic ↗South Central Public Health District (District 5)
South Central Public Health District - Health Inspections and Septic Records ↗Public Health - Idaho North Central District
Public Health - Idaho North Central District - Septic Systems ↗Southeastern Idaho Public Health
Southeastern Idaho Public Health - Septic/Onsite ↗Southwest District Health (SWDH), Environmental Health Services
Southwest District Health - Septic & Land Development ↗Southwest District Health
Southwest District Health - Septic & Land Development ↗Southeastern Idaho Public Health (District 6)
Southeastern Idaho Public Health — Septic Permits ↗Panhandle Health District (Idaho public health district serving Shoshone County)
Panhandle Health District - Septic Permits & Records ↗Eastern Idaho Public Health (District 7)
Eastern Idaho Public Health - Septic ↗South Central Public Health District (District 5)
South Central Public Health District - Septic ↗Central District Health (Idaho public health district; Valley County office in McCall)
Central District Health - Water, Septic & Subdivisions ↗Southwest District Health
Southwest District Health - Septic & Land Development ↗Every county here has a full profile — its index score, water, land prices, and the rest of its building rules. See the Idaho state page for all counties ranked, or the national septic guide.
General guidance, not legal advice. Off-grid, building, and land-use rules are often set at the county level and change often. Verify with your county and state before acting. Data reviewed 2026-06-26.
