Portage County, Wisconsin
Town of Buena Vista is a town in Portage County, Wisconsin. Septic permits inside Town of Buena Vista come from Portage County (Portage County Planning & Zoning Department - On-Site Waste (POWTS) · (715) 346-1334). 5 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Portage County page.
Town of Buena Vista does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
One- and two-family dwellings and modular homes built on land inside Buena Vista town, under the state construction code in chapter SPS 320.
“the purpose of this code is to establish uniform statewide construction standards and inspection procedures for one- and 2-family dwellings and modular homes in accordance with the requirements of ss. 101.60 and 101.70, stats.”
Land inside Buena Vista town (Portage County) outside incorporated cities and villages, where the county zoning ordinance applies. This is a Portage County rule administered by the county, not a town ordinance.
use districts: 18 districts
“including within the following towns: [...] Buena Vista [...] are hereby divided into 18 use districts, namely:”
Private onsite wastewater (septic) systems on land inside Buena Vista town. Portage County administers this under its Private Sewage System Ordinance; it is a countywide rule that applies inside the town.
“delegated the responsibility of regulation of POWTS [...] to Wisconsin Counties.”
New septic systems on land inside Buena Vista town, issued by Portage County under its Private Sewage System Ordinance.
“issuing sanitary permits for new septic systems.”
Newly installed septic systems on land inside Buena Vista town, inspected by Portage County.
“administration of the private sewage system ordinance, including issuing sanitary permits for new septic systems. and inspection of newly installed systems.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Buena Vista or Portage 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 Buena Vista publishes no rule on the point, not that none exists. Portage County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Buena Vista means bringing your own water and power. The kit we’d start with:
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