Public water system · WI4150526
ActiveSturgeon Bay Waterworks
At a glance
Sturgeon Bay Waterworks (PWSID WI4150526) is an active community water system in Door County, Wisconsin. It reports serving 9,700 people through 3,592 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; none is health-based, and the most recent began in April 2004.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
9,700
Service connections
3,592
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sturgeon Bay Waterworks compare with other water systems in Door County?
By EPA's size categories, Sturgeon Bay Waterworks is a medium system (3,301 to 10,000 people). Door County has 451 active public water systems, and Sturgeon Bay Waterworks is the largest of them by population served. Its population served is about 126 times the county average of 77 people per system, and accounts for 28% of the 34,679 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 Sturgeon Bay Waterworks is about 45% 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 Sturgeon Bay Waterworks?
EPA lists Sturgeon Bay 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. 45 of the 451 active systems in Door County (10%) are also owned by a local government.
Does Sturgeon Bay Waterworks have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2004. The violations listed here began between April 2004 and April 2004. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Bromate (3 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2004-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Bromatecode 1011 | No | Resolved |
| 2004-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Bromatecode 1011 | No | Resolved |
| 2004-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Bromatecode 1011 | No | Resolved |
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.
Sturgeon Bay Waterworks: frequently asked questions
Who runs Sturgeon Bay Waterworks?
Sturgeon Bay Waterworks (PWSID WI4150526) is a community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Sturgeon Bay Waterworks serve?
Sturgeon Bay Waterworks reports serving 9,700 people through 3,592 service connections in Door County, Wisconsin.
Where does Sturgeon Bay 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 Sturgeon Bay Waterworks have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in April 2004. 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 Sturgeon Bay 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; none is health-based, and the most recent began in April 2004. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.
Where can I find Sturgeon Bay Waterworks' water quality report?
As a community water system, Sturgeon Bay 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 Door County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Southern Door Sch Dist | Door | 1,350 | Non-transient non-community | Groundwater |
| Sister Bay Waterworks | Door | 1,000 | Community | Groundwater |
| Sevastopol High Sch | Door | 715 | Non-transient non-community | Groundwater |
| Gibraltar High School | Door | 695 | Non-transient non-community | Groundwater |
| Loft | Door | 308 | Transient non-community | Groundwater |
| Culvers Town & Country C Store | Door | 265 | 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, “Sturgeon Bay Waterworks, PWSID WI4150526, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/sturgeon-bay-waterworks-wi4150526 (data as of October 1, 2026).