Public water system · WI6480249
ActiveSpring Valley Waterworks
At a glance
Spring Valley Waterworks (PWSID WI6480249) is an active community water system in Pierce County, Wisconsin. It reports serving 1,409 people through 588 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,409
Service connections
588
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Spring Valley Waterworks compare with other water systems in Pierce County?
By EPA's size categories, Spring Valley Waterworks is a small system (501 to 3,300 people). Pierce County has 95 active public water systems, and Spring Valley Waterworks is the 4th-largest of them by population served. Its population served is about 4.1 times the county average of 341 people per system, and accounts for 4.4% of the 32,378 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 Spring Valley 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 Spring Valley Waterworks?
EPA lists Spring Valley 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. 10 of the 95 active systems in Pierce County (11%) are also owned by a local government.
Does Spring Valley Waterworks have drinking water violations?
EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in January 2020. The violations listed here began between July 1993 and January 2020. By type: 4 monitoring and reporting, 2 public notice, recordkeeping or other and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2020-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2012-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2007-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2003-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1996-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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 8 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.
Spring Valley Waterworks: frequently asked questions
Who runs Spring Valley Waterworks?
Spring Valley Waterworks (PWSID WI6480249) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Spring Valley Waterworks serve?
Spring Valley Waterworks reports serving 1,409 people through 588 service connections in Pierce County, Wisconsin.
Where does Spring Valley 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 Spring Valley Waterworks have any drinking water violations?
EPA's records list 8 violations for this system; 2 are health-based, and the most recent began in January 2020. 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 Spring Valley 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 8 violations for this system; 2 are health-based, and the most recent began in January 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Spring Valley Waterworks' water quality report?
As a community water system, Spring Valley 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 Pierce County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| River Falls Waterworks | Pierce | 16,000 | Community | Groundwater |
| Prescott Waterworks | Pierce | 4,258 | Community | Groundwater |
| Ellsworth Waterworks | Pierce | 3,304 | Community | Groundwater |
| Elmwood Waterworks | Pierce | 798 | Community | Groundwater |
| Belle Ame Vineyard | Pierce | 500 | Transient non-community | Groundwater |
| Bay City Waterworks | Pierce | 499 | 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, “Spring Valley Waterworks, PWSID WI6480249, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/spring-valley-waterworks-wi6480249 (data as of October 1, 2026).