Dane County, Wisconsin
Town of Cross Plains is a town in Dane County, Wisconsin. Septic permits inside Town of Cross Plains come from Dane County (Public Health Madison & Dane County - Environmental Health (Well & Septic Program) · 608-242-6515). 4 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Dane County page.
All buildings within the scope of the Cross Plains town building information permit ordinance
“WISCONSIN UNIFORM DWELLING CODE AND COMMERCIAL BUILDING CODE ADOPTED”
Town of Cross Plains does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Land inside Cross Plains town, which has adopted Dane County Zoning Chapter 10 under s. 59.69(5), Wis. Stats.; the county administers this zoning
town adoption effective date: 2019-05-17 date
“(a) unincorporated areas. this chapter is applicable to all territory, except for areas under city or village extraterritorial zoning under s. 62.23(7a), wis. stats., located within those portions of the unincorporated areas of dane county in which the associated town board has adopted this chapter pursuant to s. 59.69(5), wis. stats.”
Private on-site sewage systems for homes inside Cross Plains town
“A county sanitary permit shall be required”
Installation of on-site sewage disposal systems for homes inside Cross Plains town
“No person shall install [...] a private sewage system [...] unless [...] the property [...] holds a valid sanitary permit.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Cross Plains or Dane 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 Cross Plains publishes no rule on the point, not that none exists. Dane County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Cross Plains means bringing your own water and power. The kit we’d start with:
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