Public water system · WI6180280
ActiveAltoona Waterworks
At a glance
Altoona Waterworks (PWSID WI6180280) is an active community water system in Eau Claire County, Wisconsin. It reports serving 9,627 people through 3,242 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, one is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
9,627
Service connections
3,242
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Altoona Waterworks compare with other water systems in Eau Claire County?
By EPA's size categories, Altoona Waterworks is a medium system (3,301 to 10,000 people). Eau Claire County has 111 active public water systems, and Altoona Waterworks is the 2nd-largest of them by population served. Its population served is about 12 times the county average of 834 people per system, and accounts for 10% of the 92,606 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 Altoona Waterworks is about 44% above 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 Altoona Waterworks?
EPA lists Altoona 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. 19 of the 111 active systems in Eau Claire County (17%) are also owned by a local government.
Does Altoona Waterworks have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. The violations listed here began between October 2010 and October 2024. By type: 10 monitoring and reporting, 1 public notice, recordkeeping or other and 1 required treatment not met. The contaminants or rules involved are Public Notice, Lead and Copper Rule Revisions, Nitrate and o-Dichlorobenzene. EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
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.
Altoona Waterworks: frequently asked questions
Who runs Altoona Waterworks?
Altoona Waterworks (PWSID WI6180280) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Altoona Waterworks serve?
Altoona Waterworks reports serving 9,627 people through 3,242 service connections in Eau Claire County, Wisconsin.
Where does Altoona 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 Altoona Waterworks have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. 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 Altoona 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, one is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Altoona Waterworks' water quality report?
As a community water system, Altoona 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 Eau Claire County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Eau Claire Waterworks | Eau Claire | 70,587 | Community | Groundwater |
| Augusta Waterworks | Eau Claire | 1,450 | Community | Groundwater |
| Fall Creek Waterworks | Eau Claire | 1,269 | Community | Groundwater |
| Hillcrest Estates MHP | Eau Claire | 850 | Community | Groundwater |
| Menards Old Mill Center | Eau Claire | 730 | Non-transient non-community | Groundwater |
| Ferguson Orchard-Eau Claire | Eau Claire | 610 | Transient non-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, “Altoona Waterworks, PWSID WI6180280, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/altoona-waterworks-wi6180280 (data as of October 1, 2026).