Septic permit rules and requirements in South Dakota
In South Dakota, the state sets the rule. The septic permit comes from your county. Administrative Rules of South Dakota § 74:53:01:03 · checked 2026-09-12
Feedlot Permit Program
Writes the rules
checked 2026-09-23
Your county
Issues the permit
checked 2026-09-12
Who decides a septic permit in South Dakota
Your county issues the permit. The state sets the floor through the Feedlot Permit Program, South Dakota Department of Agriculture and Natural Resources.
This rule needs no state review for a standard septic system's plans. The state reviews plans only for other on-site systems.
Administrative Rules of South Dakota § 74:53:01:03 · checked 2026-09-12
The office's phone number is 605-773-4647.
The septic page lists this number for installation and design questions. The septic complaints page repeats the same number.
South Dakota Department of Agriculture and Natural Resources — Feedlot Permit Program · checked 2026-09-23
The office publishes its own page on this: South Dakota Department of Agriculture and Natural Resources — Feedlot Permit Program.
The department links to this page as Septic Tank Systems in its own menu.
South Dakota Department of Agriculture and Natural Resources — Feedlot Permit Program · checked 2026-09-23
South Dakota counties on this site
We have not published a South Dakota county page yet. A county earns a page when we hold facts unique to it. Until then this page is the answer for every county in the state.
Telling us your county is how we decide which one to build next.
Sources
State records only. Each figure above has a government source and a checked-on date. County figures live on the county pages.
Verify before you act. Septic rules are set locally and they change. Check anything here with your county before you spend money on it.