Public water system · WI2521735
ActiveYorkville Utility Dist 1
At a glance
Yorkville Utility Dist 1 (PWSID WI2521735) is an active non-transient non-community water system in Racine County, Wisconsin. It reports serving 3,900 people through 36 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,900
Service connections
36
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Yorkville Utility Dist 1 compare with other water systems in Racine County?
By EPA's size categories, Yorkville Utility Dist 1 is a medium system (3,301 to 10,000 people). Racine County has 194 active public water systems, and Yorkville Utility Dist 1 is the 6th-largest of them by population served. Its population served is about 4.2 times the county average of 931 people per system, and accounts for 2.2% of the 180,595 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Yorkville Utility Dist 1 is about 9.1 times that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Wisconsin has 891 active non-transient non-community water systems, 8.1% 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 Yorkville Utility Dist 1?
EPA lists Yorkville Utility Dist 1 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. 33 of the 194 active systems in Racine County (17%) are also owned by a local government.
Does Yorkville Utility Dist 1 have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024. The violations listed here began between January 2018 and January 2024. By type: 5 monitoring and reporting, 4 public notice, recordkeeping or other and 3 monitoring. The contaminant or rule involved most often is Public Notice (4 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-11-23 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-11-23 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2021-07-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-02-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-10-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2018-09-29 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2018-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
The 12 most recent 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.
Yorkville Utility Dist 1: frequently asked questions
Who runs Yorkville Utility Dist 1?
Yorkville Utility Dist 1 (PWSID WI2521735) is a non-transient non-community water system owned by a local government. It is regulated by the WI state drinking water program.
How many people does Yorkville Utility Dist 1 serve?
Yorkville Utility Dist 1 reports serving 3,900 people through 36 service connections in Racine County, Wisconsin.
Where does Yorkville Utility Dist 1 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 Yorkville Utility Dist 1 have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 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 Yorkville Utility Dist 1's 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2024. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Yorkville Utility Dist 1's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Yorkville Utility Dist 1 is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Racine County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Racine Waterworks | Racine | 105,100 | Community | Surface water |
| Caledonia Water Utility - Village of | Racine | 21,819 | Community | Purchased surface water |
| Burlington Waterworks | Racine | 11,043 | Community | Groundwater |
| Waterford Waterworks | Racine | 5,368 | Community | Groundwater |
| Union Grove Waterworks | Racine | 4,900 | Community | Groundwater |
| Wind Point Water Dept | Racine | 1,804 | Community | Purchased surface water |
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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, “Yorkville Utility Dist 1, PWSID WI2521735, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/yorkville-utility-dist-1-wi2521735 (data as of October 1, 2026).