Waukesha County, Wisconsin
Village of Big Bend is a village in Waukesha County, Wisconsin. Village of Big Bend adopts its own zoning, so inside its limits Village of Big Bend’s rules apply, not the county’s. Septic permits inside Village of Big Bend come from Waukesha County (Waukesha County Department of Parks and Land Use — Environmental Health Division · 262-896-8300). 9 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Waukesha County page.
Land inside Big Bend village limits (Waukesha County)
“these regulations are adopted under the authority granted by § 61.35, 61.351, 61.354, 62.23(7), and 87.30,144.26 and 144.266.wis. stats.”
Zoning districts inside Big Bend village
“16.30 a-1 agricultural district 16.31 ao agricultural overlay district 16.32 c-1 conservancy district”
Residential district whose text immediately precedes 16.35 R-2 (R-1 rural density per table of contents order)
first floor living area: >= 1600 sq ft · total living area: >= 1800 sq ft
“16.34 r-1 residential district - rural density single family. [...] 5) building size a) minimum living area of 1,600 sq. ft. first floor and a total minimum living area of 1,800 sq. ft.”
C-1 Conservancy district only; residential districts not resolved
“there are no specific minimum lot size requirements although c-1 zoned lands that lie within a larger parcel or tract of land, the remainder of which is zoned in any other district shall have a minimum lot area equal to at least that which is required in that non-conservancy district.”
Offsets from C-1 Conservancy district boundary lines
offset from C-1 boundary: >= 10 feet (not less than 5 ft with planning commission approval)
“all structures, site disturbance activity and/or construction activity shall maintain a minimum 10 foot offset and/or setback (more if specifically required by any other provision of this code) from any c-1 boundary line. a lesser offset/setback, but no less than 5 feet, may be approved by the planning commission”
RVs, house trailers and mobile homes used for habitation inside Big Bend village
long-term habitation threshold: 30 cumulative days per year (planning commission approval during home construction/repair)
“no house trailer, mobile home and/or recreational vehicle shall be used for the purpose of long term (i.e. 30 cumulative days per year) human habitation unless specifically approved in advance by the village planning commission for a specific and limited period of time during construction of a new single family residence or repair/reconstruction of a single family residence.”
Onsite sewage systems for buildings inside Big Bend village not served by sewer; the permit is issued by Waukesha County, as the village code states
“if it is not served by an approved municipal or other state approved sanitary sewer system, a waukesha county sanitary system permit shall be required”
New principal buildings inside Big Bend village not served by sanitary sewer (Waukesha County permit)
“if it is not served by an approved municipal or other state approved sanitary sewer system, a waukesha county sanitary system permit shall be required”
New principal buildings inside Big Bend village
“no principal building shall be permitted, erected, structurally altered or relocated unless it has first been certified by the building inspector and/or plumbing inspector that it will be connected to public sanitary sewer or conforms to all village ordinances and other governmental laws or regulations then applicable to onsite sewage disposal systems”
We looked and could not find an official answer yet. Silence is not permission; ask Village of Big Bend or Waukesha 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 Village of Big Bend publishes no rule on the point, not that none exists. Waukesha County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Village of Big Bend means bringing your own water and power. The kit we’d start with:
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