Waseca County, Minnesota
St. Mary Township is a township in Waseca County, Minnesota. Septic permits inside St. Mary Township come from Waseca County. 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 Waseca County page.
St. Mary Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
New construction and most remodeling inside St. Mary township: county zoning permit required (zoning permit, not confirmed as a building-code permit)
“zoning permits are required for all new construction and most remodeling, alteration and repair work in waseca county.”
Land inside St. Mary township, Waseca County: zoning is administered by Waseca County under its Unified Development Code, not by a township ordinance (no township-adopted zoning found)
“the county zoning office has zoning jurisdiction in all of the townships in waseca county.”
Septic (subsurface sewage treatment) permits inside St. Mary township, issued by Waseca County Planning & Zoning
“land use permits commonly handled by this office include zoning permits, subsurface sewage treatment permits, conditional use permits”
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 St. Mary Township means bringing your own water and power. The kit we’d start with:
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