Public water system · WI4310308
ActiveHoly Trinity Church & School
At a glance
Holy Trinity Church & School (PWSID WI4310308) is an active non-transient non-community water system in Kewaunee County, Wisconsin. It reports serving 50 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in November 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
5
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Holy Trinity Church & School compare with other water systems in Kewaunee County?
By EPA's size categories, Holy Trinity Church & School is a very small system (500 people or fewer). Kewaunee County has 72 active public water systems. Its population served is well below the county average of 169 people per system, and accounts for 0.4% of the 12,146 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 Holy Trinity Church & School is well below 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 Holy Trinity Church & School?
EPA lists Holy Trinity Church & School as privately owned. 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. 60 of the 72 active systems in Kewaunee County (83%) are also privately owned.
Does Holy Trinity Church & School have drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in November 2017. The violations listed here began between October 1994 and November 2017. By type: 8 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 7 as resolved and 2 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 |
|---|---|---|---|---|
| 2017-11-04 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2009-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 9 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.
Holy Trinity Church & School: frequently asked questions
Who runs Holy Trinity Church & School?
Holy Trinity Church & School (PWSID WI4310308) is a non-transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Holy Trinity Church & School serve?
Holy Trinity Church & School reports serving 50 people through 5 service connections in Kewaunee County, Wisconsin.
Where does Holy Trinity Church & School 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 Holy Trinity Church & School have any drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in November 2017. 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 Holy Trinity Church & School'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. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in November 2017. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Holy Trinity Church & School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Holy Trinity Church & School 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 Kewaunee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Algoma Waterworks | Kewaunee | 3,219 | Community | Groundwater |
| Kewaunee Waterworks | Kewaunee | 2,848 | Community | Groundwater |
| Luxemburg Waterworks | Kewaunee | 2,737 | Community | Groundwater |
| J & Ws Place | Kewaunee | 220 | Transient non-community | Groundwater |
| Rendezvous Dance Hall | Kewaunee | 220 | Transient non-community | Groundwater |
| Kewaunee Solutions | Kewaunee | 206 | Non-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, “Holy Trinity Church & School, PWSID WI4310308, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/holy-trinity-church-school-wi4310308 (data as of October 1, 2026).