South Dakota Septic Regulations

An educational, cited reference for homeowners — not a claim that ClickSeptic services South Dakota today. ClickSeptic has zero live markets anywhere yet.

Short answer: In South Dakota, individual and small onsite wastewater systems are regulated under state Administrative Rules of South Dakota (ARSD) Article 74:53, specifically Chapter 74:53:01 ('Individual and Small On-Site Wastewater Systems') and Chapter 74:53:02 ('Certification of Installers'), administered by the South Dakota Department of Agriculture and Natural Resources (DANR, formed from the former Department of Environment and Natural Resources). DANR sets statewide minimum design, siting, percolation-testing, and lot-size standards and certifies installers, but day-to-day permitting and enforcement are typically carried out at the county level (e.g., Pennington, Meade, Minnehaha counties each run their own septic permitting programs within the state framework), and counties may adopt requirements stricter than the state minimum.

Last updated: September 2026. This page summarizes public South Dakota regulatory information for homeowner reference and is not legal advice — always confirm current requirements directly with the state or local agency cited below. ClickSeptic has not launched in any market and has zero operators onboarded anywhere today; this page does not claim ClickSeptic provides service in South Dakota or anywhere else.

Who regulates septic systems in South Dakota?

In South Dakota, individual and small onsite wastewater systems are regulated under state Administrative Rules of South Dakota (ARSD) Article 74:53, specifically Chapter 74:53:01 ('Individual and Small On-Site Wastewater Systems') and Chapter 74:53:02 ('Certification of Installers'), administered by the South Dakota Department of Agriculture and Natural Resources (DANR, formed from the former Department of Environment and Natural Resources). DANR sets statewide minimum design, siting, percolation-testing, and lot-size standards and certifies installers, but day-to-day permitting and enforcement are typically carried out at the county level (e.g., Pennington, Meade, Minnehaha counties each run their own septic permitting programs within the state framework), and counties may adopt requirements stricter than the state minimum.

Is a septic inspection required to sell a home in South Dakota?

South Dakota has no statewide law requiring a septic system inspection as a condition of selling or transferring real property; the state's Seller's Property Condition Disclosure Statement requires sellers to disclose known issues with the sewage/plumbing system but does not mandate a professional inspection. However, individual counties have layered on their own transfer-related rules: for example, Pennington County requires sellers to notify the county before a sale or transfer if an operating permit is needed for the septic system, and Meade County mandates a septic inspection (including tank pumping) within six months before or at the time of sale, or upon change of use, for non-agricultural properties. Because these obligations are set at the county rather than state level, buyers and sellers should confirm current requirements with the specific county health/planning department rather than assuming a uniform statewide rule.

Are there pumping-frequency requirements in South Dakota?

ARSD 74:53:01 does not establish a fixed statewide calendar interval requiring septic tanks to be pumped every X years; the rule instead focuses on design, construction, and siting standards for tanks and absorption fields. Some counties impose their own pump-out-linked requirements around specific events (e.g., Meade County's requirement of an inspection/pumping within six months of a property sale or change of use), but there is no general state-level mandatory pumping schedule applicable to all South Dakota septic owners.

Permit and registration requirements

Installing, repairing, or altering an individual or small onsite wastewater system in South Dakota requires certification of the installer under ARSD 74:53:02 and compliance with the design/siting standards of ARSD 74:53:01, with permitting administered locally by county governments (health, planning, or environmental offices) operating within the state framework. County programs (e.g., Minnehaha County) require permits for new systems and major repairs, performed by state-certified installers, and generally allow pre-1975 systems to remain in service if they are not causing pollution.

Notable South Dakota-specific rule

South Dakota's septic program is notable for being largely a state-minimum-standard-plus-county-enforcement model: the substantive design rules live in ARSD 74:53:01/74:53:02 at the state level, but practical rules that matter most to a home seller -- like Meade County's sale-triggered inspection/pump-out requirement -- are set independently by individual counties, producing meaningfully different real-estate requirements from one South Dakota county to the next.

Sources

Related reading

Want to know when we launch in South Dakota?

ClickSeptic is building a nationwide septic service marketplace, market by market. We have no live coverage in South Dakota or anywhere else yet — leave your email and ZIP code and we'll tell you the moment that changes.

Get Notified at Launch →