Washington County, Indiana
Madison Township is a township in Washington County, Indiana. Septic permits inside Madison Township come from Washington County (Washington County Health Department Environmental Health · (812) 883-5603 ext. 8). 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 Washington County page.
Madison Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Construction in the unincorporated area of Washington County, which includes land inside Madison township
“construction is prohibited unless in conformity with a valid building permit obtained from the building commissioner prior to commencement of construction.”
Land inside Madison township, Washington County, Indiana: no township zoning was found; the Washington County zoning ordinance (ch. 154) applies because it covers all county land outside Salem and Livonia
“this chapter shall apply to all land within washington county not covered by the ordinances of salem, or livonia.”
Septic systems in unincorporated Washington County, applying inside Madison township
“the proper installation and location of the septic systems must be pursuant to the rules and regulations of the county health department and inspected by their officers.”
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.
Off-grid gear
Going off-grid in Madison Township means bringing your own water and power. The kit we’d start with:
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