Public water system · WI6120253
ActiveWauzeka Waterworks
At a glance
Wauzeka Waterworks (PWSID WI6120253) is an active community water system in Crawford County, Wisconsin. It reports serving 711 people through 260 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
711
Service connections
260
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Wauzeka Waterworks compare with other water systems in Crawford County?
By EPA's size categories, Wauzeka Waterworks is a small system (501 to 3,300 people). Crawford County has 51 active public water systems, and Wauzeka Waterworks is the 2nd-largest of them by population served. Its population served is about 181% above the county average of 253 people per system, and accounts for 5.5% of the 12,910 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active community water system reports serving 6,703 people, so Wauzeka Waterworks is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Wisconsin has 1,053 active community water systems, 9.5% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.
Who owns and regulates Wauzeka Waterworks?
EPA lists Wauzeka Waterworks as owned by a local government. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 9 of the 51 active systems in Crawford County (18%) are also owned by a local government.
Does Wauzeka Waterworks have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between January 1993 and July 2025. By type: 9 monitoring and reporting, 1 reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 7 as resolved and 5 as archived. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2020-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2016-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Archived |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Archived |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Wauzeka Waterworks: frequently asked questions
Who runs Wauzeka Waterworks?
Wauzeka Waterworks (PWSID WI6120253) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Wauzeka Waterworks serve?
Wauzeka Waterworks reports serving 711 people through 260 service connections in Crawford County, Wisconsin.
Where does Wauzeka Waterworks get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Wauzeka Waterworks have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Wauzeka Waterworks' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Wauzeka Waterworks' water quality report?
As a community water system, Wauzeka Waterworks must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Crawford County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Prairie Du Chien Waterworks | Crawford | 6,005 | Community | Groundwater |
| Soldiers Grove Waterworks | Crawford | 592 | Community | Groundwater |
| North Crawford School | Crawford | 525 | Non-transient non-community | Groundwater |
| Gays Mills Waterworks | Crawford | 490 | Community | Groundwater |
| Sunrise Orchards | Crawford | 415 | Transient non-community | Groundwater |
| Eastman Waterworks | Crawford | 342 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Wauzeka Waterworks, PWSID WI6120253, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wauzeka-waterworks-wi6120253 (data as of October 1, 2026).