Built from public records. No company paid to be listed. Every check names its source and the date it was read.
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Septic companies in Waukesha County, Wisconsin

19 septic companies on record across Waukesha County, built from public data.

Companies
19
Cities covered
14

Septic Permits in Waukesha County

Waukesha County Parks and Land Use - Environmental Health Division opens in a new tab

Wisconsin calls them POWTS, private onsite wastewater treatment systems, and treats installing one as plumbing work. That decision runs through everything else here, including which licence your installer holds. Two state agencies are involved, and they divide by task rather than by geography.

See who regulates septic systems in Wisconsin

Every company on record in Waukesha County

Ordered by verification score. The score counts records rather than workmanship, and the license line says which of three things is true: verified against the roster, checked and not found on it, or not yet checked at all.

The license check in Wisconsin

No public septic license roster is published for Wisconsin that we can check a company against, so license status for every company in Waukesha County reads as unverified. That is a gap in the public record, not a mark against any company.

Cities in Waukesha County

How these are ranked

By verification score, out of 100, across six checks published in full on how we rank. No company paid to appear and none can pay to rank higher. The score counts records and is not a judgment about workmanship.