Bolthole Index

Davison County, South Dakota

Zoning, building permits and septic rules in Perry Township, South Dakota

Perry Township is a township in Davison County, South Dakota. Septic permits inside Perry Township come from the county and state together. 3 rules below are quoted from official sources and independently re-checked, most recently on November 11, 2026. Rules for unincorporated land are on the Davison County page.

Answers from the rulebook for Perry Township

Rules another office applies inside Perry Township

Perry Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Building permitRequired

    Structures in the unincorporated county, including inside Perry township; permit issued by the county zoning administrator.

    • No building permit issued except in conformity with the ordinance unless a board of adjustment or county commission order is received.
    • Failure to obtain a permit before construction results in a penalty of double the original permit fee, plus lost property taxes and interest.
    • Pouring concrete for driveways does not require a building permit if no structure will sit on the concrete.
    • Ordinance excludes Ethan, Mt. Vernon and Mitchell.
    “no concrete shall be poured, infrastructure installed, or structure shall be erected, demolished, moved, added to, or use changed without a permit issued by the zoning administrator.”
  • Local zoningPresent (with conditions)

    Land inside Perry township, Davison County, SD, which is unincorporated and not one of the excluded cities, so the Davison County zoning ordinance applies there. No separate Perry township zoning ordinance was found.

    • Ordinance excludes Ethan, Mt. Vernon and Mitchell; Mitchell exercises zoning in its own extraterritorial area.
    • Perry township's own zoning was not found; this claim rests on county zoning applying.
    “the provisions of this ordinance shall apply within the unincorporated areas of davison county, south dakota, to include loomis but excluding ethan, mt. vernon, and mitchell.”
  • Who permits septicMixed (with conditions)

    Individual sewage treatment systems in unincorporated Davison County, including inside Perry township; county ordinance sets siting limits and requires compliance with South Dakota DANR rules.

    • Systems under 350 feet from a lake, river or stream classified as a local or downstream public drinking water supply are prohibited; 350 to 660 feet needs a conditional use.
    • Soil suitability and percolation tests may be required before a building permit.
    • Which body issues septic permits was not confirmed.
    “septic systems installed within davison county must comply with all applicable south dakota department of environment and natural resources and state plumbing code regulations, to include ar 74:53:01.”

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.

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