Public water system · WI6560120
ActiveGlenwood City Waterworks
At a glance
Glenwood City Waterworks (PWSID WI6560120) is an active community water system in St. Croix County, Wisconsin. It reports serving 1,102 people through 375 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,102
Service connections
375
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Glenwood City Waterworks compare with other water systems in St. Croix County?
By EPA's size categories, Glenwood City Waterworks is a small system (501 to 3,300 people). St. Croix County has 165 active public water systems. Its population served is about 3.2 times the county average of 349 people per system, and accounts for 1.9% of the 57,590 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 Glenwood City 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 Glenwood City Waterworks?
EPA lists Glenwood City 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 165 active systems in St. Croix County (13%) are also owned by a local government.
Does Glenwood City Waterworks have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between July 1993 and January 2025. By type: 5 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 4 as resolved and 1 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2003-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | 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 |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 5 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.
Glenwood City Waterworks: frequently asked questions
Who runs Glenwood City Waterworks?
Glenwood City Waterworks (PWSID WI6560120) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Glenwood City Waterworks serve?
Glenwood City Waterworks reports serving 1,102 people through 375 service connections in St. Croix County, Wisconsin.
Where does Glenwood City 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 Glenwood City Waterworks have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in January 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 Glenwood City 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 5 violations for this system; none is health-based, and the most recent began in January 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 Glenwood City Waterworks' water quality report?
As a community water system, Glenwood City 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 St. Croix County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hudson Waterworks | St. Croix | 18,558 | Community | Groundwater |
| New Richmond Waterworks | St. Croix | 10,824 | Community | Groundwater |
| Baldwin Waterworks | St. Croix | 4,440 | Community | Groundwater |
| Somerset Waterworks | St. Croix | 3,334 | Community | Groundwater |
| Hammond Waterworks | St. Croix | 1,884 | Community | Groundwater |
| Roberts Waterworks | St. Croix | 1,872 | 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, “Glenwood City Waterworks, PWSID WI6560120, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/glenwood-city-waterworks-wi6560120 (data as of October 1, 2026).