Marshall County, South Dakota
Britton is a city in Marshall County, South Dakota. Septic permits inside Britton come from the state health agency. 3 rules below are quoted from official sources and independently re-checked, most recently on October 18, 2026. Rules for unincorporated land are on the Marshall County page.
Britton does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Nonconventional installations receiving human excreta inside Britton city limits.
“A conventional individual on-site wastewater system may be designed and installed in accordance with this chapter without submission of project plans and specifications to the secretary for review and approval.”
Off-grid systems for treatment or disposal of human excreta inside Britton city limits.
“No person may install, construct, or operate a wastewater treatment or dispersal system or any other system for the treatment or disposal of human excreta which does not meet the requirements of this chapter.”
We looked and could not find an official answer yet. Silence is not permission; ask Britton or Marshall County directly.
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Unanswered questions are usually a sign that Britton publishes no rule on the point, not that none exists. Marshall County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Britton means bringing your own water and power. The kit we’d start with:
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