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Dave Seils

Licensed septic contractor based in Colgate, Washington County, WI

License details

License type	Soil Tester
Based in	Colgate, Washington County, Wisconsin 53017
Licensed by	Washington County
Work types on the roster	Soil Testing

"Based in" is the city and county of the address on the business's license record.

How to verify this license

We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up this license directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: Washington County POWTS Program, last checked 2026-08-19. Look it up at the issuing agency.

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See every listing based in Washington County or in Colgate.