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

As of June 2026, EPA SDWIS records show 6 violation(s) across the community water systems serving Crandon, of which 2 are classified by the EPA as health-based. Most older violations have returned to compliance; see the per-system list.

Where does Crandon, WI tap water come from?

Crandon is served by 5 active community water system(s). Their primary sources, per EPA records, are: groundwater.

WI / Crandon

WI · Tap water records

Crandon tap water, in plain English

Here is what the EPA's own data shows about tap water in Crandon. According to EPA SDWIS data retrieved June 2026, Crandon is served by 5 active community water systems, together reported to serve about 4,742 people.

As of June 2026, EPA records show 6 violations across the community water system(s) serving Crandon, going back to the earliest EPA record. 2 of these are classified by the EPA as health-based (a contaminant recorded above the limit the EPA tracks); the rest are monitoring or reporting violations. Each is listed by system below, with its status.

5

Community water systems
~4,742

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

Crandon Waterworks

1,958 served · groundwater · PWSID WI7210107

Health-based LEAD AND COPPER RULE REVISIONS: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 2 times in October 2024. The EPA record for these does not include a measured level. All have since returned to compliance, per EPA records.
Monitoring LEAD AND COPPER RULE REVISIONS: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times in October 2024. All have since returned to compliance, per EPA records.
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 October 2024. EPA records do not show all of these as returned to compliance.

Mole Lake

1,260 served · groundwater · PWSID 055295601

As of June 2026, EPA records show no reported violations for this system in the period covered. This is not a guarantee about every substance, or about the water inside your home's plumbing.

Stone Lake Community

851 served · groundwater · PWSID 055295201

As of June 2026, EPA records show no reported violations for this system in the period covered. This is not a guarantee about every substance, or about the water inside your home's plumbing.

Carter Community

634 served · groundwater · PWSID 055295205

As of June 2026, EPA records show no reported violations for this system in the period covered. This is not a guarantee about every substance, or about the water inside your home's plumbing.

Blackwell Community

39 served · groundwater · PWSID 055295207

As of June 2026, EPA records show no reported violations for this system in the period covered. This is not a guarantee about every substance, or about the water inside your home's plumbing.

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.