Does Fennimore, WI tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 13 violation(s) across the community water systems serving Fennimore, of which 0 are classified by the EPA as health-based. Most older violations have returned to compliance; see the per-system list.

Where does Fennimore, WI tap water come from?

Fennimore is served by 1 active community water system(s). Their primary sources, per EPA records, are: groundwater.

WI / Fennimore

WI · Tap water records

Fennimore tap water, in plain English

Here is what the EPA's own data shows about tap water in Fennimore. According to EPA SDWIS data retrieved June 2026, Fennimore is served by 1 active community water system, together reported to serve about 2,507 people.

As of June 2026, EPA records show 13 violations across the community water system(s) serving Fennimore, going back to the earliest EPA record. None were health-based; the records are monitoring or reporting violations (a required test or report was late or missed). Each is listed by system below, with its status.

1

Community water system
~2,507

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

Fennimore Waterworks

2,507 served · groundwater · PWSID WI1220096

Monitoring TTHM: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2022. EPA records do not show all of these as returned to compliance.
Monitoring Total Haloacetic Acids (HAA5): a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 5 times in January 2022. EPA records do not show all of these as returned to compliance.
Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in January 2012. EPA records do not show all of these as returned to compliance.
Monitoring Public Notice: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in April 2009. EPA records do not show all of these as returned to compliance.

What this means

A health-based violation means a contaminant was recorded above the limit the EPA tracks for it. A monitoring or reporting violation means a required test or report was late or missed — not that a contaminant was measured above a limit. “Returned to compliance” means the EPA recorded the issue as resolved.

This page summarizes the EPA's own records and does not assess whether your water is safe to drink. For the most current details, you can verify every record directly with the EPA, and contact your water system with questions.

Source: U.S. EPA Envirofacts SDWIS, retrieved June 2026. Records cover the EPA's full reporting history for these systems. Verify at EPA ECHO.