GRESHAM, WI · Shawano County
GRESHAM WATERWORKS Water System
Consumer Confidence Report status
GRESHAM WATERWORKS must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for GRESHAM WATERWORKS.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Wisconsin’s official records. Always confirm current status with Wisconsin before making decisions based on this information.
System facts
- System ID (PWSID)
- WI4590454
- System type
- Community Water System
- Population served
- 534
- Service connections
- 285
- Ownership
- local government
- Water source
- groundwater (wells)
GRESHAM WATERWORKS is one of 333 community water systems in Wisconsin in the 501 to 3,300 people size category, serving 534 people from groundwater.
As of August 1, 2026, its federal record holds 5 entries between 1993 and 2024, all of which EPA lists as closed.
All 5 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Radionuclides and Revised Rad Rule and the Total Coliform Rules.
Violation history
Monitoring, Regular
—Radium-228
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—Radium-226
April 1, 2024 – June 30, 2024
ResolvedMonitoring, Regular
—Gross Alpha, Excl. Radon and U
April 1, 2022 – June 30, 2022
ResolvedMonitoring, Regular
—Radium-226
April 1, 2021 – June 30, 2021
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 1993 – November 30, 1993
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| April 1, 2024 – June 30, 2024 | Monitoring, Regular | Radium-228 | — | Resolved |
| April 1, 2024 – June 30, 2024 | Monitoring, Regular | Radium-226 | — | Resolved |
| April 1, 2022 – June 30, 2022 | Monitoring, Regular | Gross Alpha, Excl. Radon and U | — | Resolved |
| April 1, 2021 – June 30, 2021 | Monitoring, Regular | Radium-226 | — | Resolved |
| November 1, 1993 – November 30, 1993 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- March 8, 2022State Compliance achieved21 linked violations
- November 29, 2019State Public Notification received36 linked violations
- January 14, 1994State Public Notification received1 linked violation
- December 31, 1993State Compliance achieved1 linked violation
- March 31, 1992State Public Notification received1 linked violation
- March 2, 1992State Public Notification requested2 linked violations
Common questions
Is GRESHAM WATERWORKS required to publish a Consumer Confidence Report?
- Yes. GRESHAM WATERWORKS is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is GRESHAM WATERWORKS’s next Consumer Confidence Report due?
- GRESHAM WATERWORKS’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does GRESHAM WATERWORKS have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for GRESHAM WATERWORKS.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
CARROLL, BRIAN
Phone not on record
GRESHAM, WI 54128