Reference Source

Wisconsin

For Wisconsin, testing required at sale? is State law does not require a well inspection or water testing for a property transfer, and DNR is not involved in the real estate transaction; authority is NR 812, Wis. Adm. Code, verified against its source on 2026-08-19.

State
Wisconsin our reading
Testing required at sale?
State law does not require a well inspection or water testing for a property transfer, and DNR is not involved in the real estate transaction verified
Authority
NR 812, Wis. Adm. Code verified
Sourcednr.wisconsin.gov
Verified
Review by
DatasetPrivate well water testing at property sale: which states require it

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

State law does not require a well inspection or water testing for a property transfer, and DNR is not involved in the real estate transaction. However, if a well inspection is conducted, state law has provided since June 1, 2008, that it must be done by a licensed well driller or licensed pump installer.

dnr.wisconsin.gov, retrieved 2026-08-19

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.