Vernon County, Wisconsin
Town of Sterling is a town in Vernon County, Wisconsin. Septic permits inside Town of Sterling come from Vernon County. 3 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Vernon County page.
Private onsite septic-system work inside Sterling town, which is an unincorporated area of Vernon County.
“a county sanitary permit is required for most work (new, replacement, repairs) on septic systems.”
Most new, replacement, and repair work on septic systems inside Sterling town.
“a county sanitary permit is required for most work (new, replacement, repairs) on septic systems.”
Town of Sterling does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
New private wells inside Sterling town.
well construction notification fee: 50.5 USD (Not refundable or transferable.)
“wisconsin law requires that a property owner provide advance notice to dnr before construction of any new private well that is not a high capacity well, and advance notice of any heat exchange drillhole construction (geothermal system) that does not require a written dnr approval.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Sterling or Vernon 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 Town of Sterling publishes no rule on the point, not that none exists. Vernon County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Sterling means bringing your own water and power. The kit we’d start with:
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