Bolthole Index county-legal census · checked 2026-08-08
Septic permitting in Nevada is mixed: 7 counties use county health departments, 6 go through a state agency, and 4 through regional districts.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 → Nevada water rights & wells → Full Nevada profile →
17 counties · mixed — varies by county · permit status scouted for 1
Carson City Health & Human Services – Environmental Health Section
Carson City Health – Septic & Well ↗Churchill County Public Works, Planning & Building Department (under Nevada NDEP oversight)
Churchill County - Septic Application Information ↗Southern Nevada Health District (Sewage/Septic Disposal Systems - ISDS)
Southern Nevada Health District - Sewage/Septic Disposal Systems (ISDS) ↗Douglas County Community Development (NDEP-delegated onsite sewage program)
Douglas County Community Development - Septic Information ↗Nevada Division of Environmental Protection (NDEP), Bureau of Water Pollution Control - Onsite Sewage Disposal System Program
NDEP Onsite Sewage Disposal System Program ↗Nevada Division of Environmental Protection (NDEP), Onsite Sewage Disposal System Program
NDEP Onsite Sewage Disposal System Program ↗Central Nevada Health District
NDEP - Onsite Sewage Disposal System Program ↗Nevada Division of Environmental Protection / Nevada Division of Public and Behavioral Health (county Building Department administers applications locally)
Humboldt County Building Department Sewage Disposal System Handout ↗Nevada Division of Environmental Protection (NDEP), Onsite Sewage Disposal System Program
NDEP Onsite Sewage Disposal System Program ↗Lincoln County Building & Planning Department (under Nevada Division of Environmental Protection)
Lincoln County Building Department - Forms & Applications ↗Nevada Division of Environmental Protection (Onsite Sewage Disposal System Program)
NDEP Onsite Sewage Disposal System Program ↗Mineral County Building Department
Mineral County, NV Building Inspector ↗Nye County Building & Safety (delegated by NDEP for onsite systems 3,000 gallons/day or less)
NDEP Onsite Sewage Disposal System Program ↗Central Nevada Health District (CNHD)
Central Nevada Health District - ISDS (Septic) Guide ↗Nevada Division of Environmental Protection (NDEP) - Bureau of Water Pollution Control
NDEP Onsite Sewage Disposal System Program ↗Northern Nevada Public Health - Environmental Health Services (Washoe County District Board of Health)
Northern Nevada Public Health - Septic Systems & Liquid Waste ↗White Pine County Building Department
White Pine County - Permit FAQ ↗Every county here has a full profile — its index score, water, land prices, and the rest of its building rules. See the Nevada 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.