Public water system · WI4690402
ActiveWaupaca Waterworks
At a glance
Waupaca Waterworks (PWSID WI4690402) is an active community water system in Waupaca County, Wisconsin. It reports serving 6,062 people through 2,169 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; 3 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,062
Service connections
2,169
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Waupaca Waterworks compare with other water systems in Waupaca County?
By EPA's size categories, Waupaca Waterworks is a medium system (3,301 to 10,000 people). Waupaca County has 207 active public water systems, and Waupaca Waterworks is the 2nd-largest of them by population served. Its population served is about 35 times the county average of 175 people per system, and accounts for 17% of the 36,146 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 Waupaca Waterworks is roughly in line with 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 Waupaca Waterworks?
EPA lists Waupaca 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. 21 of the 207 active systems in Waupaca County (10%) are also owned by a local government.
Does Waupaca Waterworks have drinking water violations?
EPA's records list 11 violations for this system; 3 are health-based, and the most recent began in October 2024. The violations listed here began between September 1995 and October 2024. By type: 7 monitoring and reporting, 2 contaminant level above the legal limit, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Haloacetic acids (HAA5) (2 of them). EPA lists 11 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2008-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2003-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitratecode 1040 | Yes | Resolved |
| 1995-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 11 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.
Waupaca Waterworks: frequently asked questions
Who runs Waupaca Waterworks?
Waupaca Waterworks (PWSID WI4690402) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Waupaca Waterworks serve?
Waupaca Waterworks reports serving 6,062 people through 2,169 service connections in Waupaca County, Wisconsin.
Where does Waupaca 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 Waupaca Waterworks have any drinking water violations?
EPA's records list 11 violations for this system; 3 are 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 Waupaca 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. EPA's records list 11 violations for this system; 3 are 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 Waupaca Waterworks' water quality report?
As a community water system, Waupaca 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 Waupaca County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| New London Waterworks | Waupaca | 7,187 | Community | Groundwater |
| Clintonville Utilities | Waupaca | 4,635 | Community | Groundwater |
| Weyauwega Waterworks | Waupaca | 1,820 | Community | Groundwater |
| Manawa Waterworks | Waupaca | 1,300 | Community | Groundwater |
| Marion Waterworks | Waupaca | 1,293 | Community | Groundwater |
| Iola Waterworks | Waupaca | 1,249 | 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, “Waupaca Waterworks, PWSID WI4690402, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/waupaca-waterworks-wi4690402 (data as of October 1, 2026).