Bolthole Index

Clark County, Ohio

Zoning, building permits and septic rules in Mad River Township, Ohio

Mad River Township is a township in Clark County, Ohio. Septic permits inside Mad River Township come from Mad River Township. 3 rules below are quoted from official sources and independently re-checked, most recently on November 10, 2026. Rules for unincorporated land are on the Clark County page.

Answers from the rulebook for Mad River Township

Rules another office applies inside Mad River Township

Mad River 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

    Building work in the unincorporated area of Mad River Township, Clark County, Ohio.

    • The county guide states the requirement for unincorporated areas of Clark County; it separately lists the City of New Carlisle and specified villages, including Enon.
    • The guide does not establish the building-permit rule for land within an incorporated municipality located in Mad River Township.
    “Building permits are required [...] in [...] the un-incorporated areas of Clark County.”
  • Local zoningPresent (with conditions)

    Land in Mad River Township, Clark County, Ohio, that is subject to Clark County zoning; the county identifies Mad River among the townships covered by Clark County Zoning.

    • The cited county page distinguishes German, Pike, and Springfield Townships as townships that administer their own zoning; it does not identify Mad River Township as self-administering.
    • The county zoning page does not establish the rule for land inside an incorporated municipality located within the township.
    “Clark County Zoning covers Bethel, Green, Harmony, Mad River, Madison, Moorefield, and Pleasant Townships.”
  • Who permits septicLocal (with conditions)

    On-site sewage treatment systems serving land in Mad River Township, Clark County, Ohio; the Clark County Health Department serves Clark County residents and operates the household sewage treatment system program.

    • Installation, operation, or alteration is approved only in the health district in which the board has jurisdiction.
    • A sewage treatment system is approved through a permit under rules adopted pursuant to Ohio Revised Code section 3718.02.
    • The health department says its program covers septic systems designed and installed under permit and subject to state and local regulations.
    “The Household Sewage Treatment System Program ensures that septic systems are designed and installed under permit and follow state and local regulations.”

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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