Public water system · WI7500136
ActiveWhiting Waterworks
At a glance
Whiting Waterworks (PWSID WI7500136) is an active community water system in Portage County, Wisconsin. It reports serving 1,743 people through 687 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,743
Service connections
687
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Whiting Waterworks compare with other water systems in Portage County?
By EPA's size categories, Whiting Waterworks is a small system (501 to 3,300 people). Portage County has 148 active public water systems, and Whiting Waterworks is the 3rd-largest of them by population served. Its population served is about 5.1 times the county average of 340 people per system, and accounts for 3.5% of the 50,348 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 Whiting 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 Whiting Waterworks?
EPA lists Whiting 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. 32 of the 148 active systems in Portage County (22%) are also owned by a local government.
Does Whiting Waterworks have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2000. The violations listed here began between April 1998 and January 2000. By type: 2 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1998-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 3 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.
Whiting Waterworks: frequently asked questions
Who runs Whiting Waterworks?
Whiting Waterworks (PWSID WI7500136) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Whiting Waterworks serve?
Whiting Waterworks reports serving 1,743 people through 687 service connections in Portage County, Wisconsin.
Where does Whiting 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 Whiting Waterworks have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in January 2000. 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 Whiting 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 3 violations for this system; 2 are health-based, and the most recent began in January 2000. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Whiting Waterworks' water quality report?
As a community water system, Whiting 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 Portage County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Stevens Point Waterworks | Portage | 26,717 | Community | Groundwater |
| Plover Waterworks | Portage | 13,486 | Community | Groundwater |
| Amherst Waterworks | Portage | 1,119 | Community | Groundwater |
| Mccain Foods USA | Portage | 450 | Non-transient non-community | Groundwater |
| Almond-Bancroft Public Schools | Portage | 420 | Non-transient non-community | Groundwater |
| Junction City Waterworks | Portage | 416 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Whiting Waterworks, PWSID WI7500136, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/whiting-waterworks-wi7500136 (data as of October 1, 2026).