Bolthole Index county-legal census · checked 2026-08-08
Septic permitting in South Dakota is state-run, administered by state agencies across all 66 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 → South Dakota water rights & wells → Full South Dakota profile →
66 counties · state agency · permit status scouted for 2
South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems / On-Site Wastewater ↗South Dakota Department of Agriculture & Natural Resources (DANR)
South Dakota DANR - Environmental Permitting Guide ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR) - On-Site Wastewater Program
South Dakota DANR - Septic Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR Septic Tank Systems ↗Butte County Equalization and Planning
Butte County Equalization and Planning (Dakota At Home / SD.gov) ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture & Natural Resources (DANR)
SD DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR - Septic Tank Systems ↗Custer County Planning & Economic Department (installers must be SD-certified)
Custer County Planning & Economic Development (septic) ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR Septic Systems ↗South Dakota DANR - On-Site Wastewater Program
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture & Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR); permits administered locally
South Dakota DANR — Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
Fall River County SD - Planning & Zoning ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota DANR (On-Site Wastewater / Feedlot Permit Program)
SD DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (on-site wastewater, ARSD 74:53:01)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - On-Site Wastewater / Septic Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture & Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
Jerauld County SD - Equalization / Planning & Zoning ↗South Dakota Department of Agriculture & Natural Resources (DANR)
SD DANR Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR - Septic Tank Systems ↗South Dakota Department of Agriculture & Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗Lawrence County Planning & Zoning Department
Lawrence County, SD Septic System Information ↗Lincoln County Planning & Zoning Department (per SD DANR rules ARSD 74:53:01)
Lincoln County Applications & Permits ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗Meade County Equalization & Planning Department (Wastewater ordinance)
Meade County - Equalization/Planning ↗South Dakota Department of Agriculture and Natural Resources (DANR) - On-Site Wastewater / Feedlot Permit Program
SD DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗Minnehaha County Planning Department (installers certified by SD DANR)
Minnehaha County - Septic System FAQs ↗South Dakota Department of Agriculture and Natural Resources (DANR)
Moody County Zoning Ordinance (2020-02), Chapter 4.09 ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗Pennington County Planning Department, Onsite Wastewater Treatment program (state standards set by SD DANR)
Pennington County Planning Department ↗South Dakota Department of Agriculture and Natural Resources (DANR) – On-Site Wastewater program (ARSD 74:53:01)
South Dakota DANR – Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR Septic Tank Systems ↗Sanborn County Equalization/Planning & Zoning (under SD DANR rules)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR); tribal/EPA jurisdiction on reservation trust lands
South Dakota DANR — Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
SD DANR Septic Tank Systems ↗South Dakota DANR (On-Site Wastewater, ARSD 74:53:01)
South Dakota DANR On-Site Wastewater Systems ↗South Dakota DANR (on-site wastewater rules, ARSD 74:53:01), permitted locally
South Dakota DANR - Septic Tank Systems ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR, Septic Tank Systems Program ↗Yankton County Planning & Zoning (onsite wastewater under SD DANR standards)
SD Dakota At Home - Yankton County Planning and Zoning Department ↗South Dakota Department of Agriculture and Natural Resources (DANR)
South Dakota DANR - Septic Tank Systems ↗Every county here has a full profile — its index score, water, land prices, and the rest of its building rules. See the South Dakota 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.
