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William Dyer

Licensed septic contractor based in Niagara, Marinette County, WI

License details

License typeSoil Tester
Based inNiagara, Marinette County, Wisconsin 54151
Licensed byMarinette County
Work types on the rosterSoil 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: Marinette County POWTS Program, last checked 2026-08-19. Look it up at the issuing agency.

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