Skip to content
AquaCensus

Public water system · WI2460231

Active

St Johns Lutheran Church

At a glance

St Johns Lutheran Church (PWSID WI2460231) is an active transient non-community water system in Ozaukee County, Wisconsin. It reports serving 98 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 1997.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

98

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI2460231
System typeTransient non-community water system
Activity statusActive
Population served98
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedGrafton
StateWisconsin
ZIP—
CountyOzaukee County

How does St Johns Lutheran Church compare with other water systems in Ozaukee County?

By EPA's size categories, St Johns Lutheran Church is a very small system (500 people or fewer). Ozaukee County has 249 active public water systems. Its population served is well below the county average of 371 people per system, and accounts for 0.1% of the 92,392 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so St Johns Lutheran Church is about 32% below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Wisconsin has 9,112 active transient non-community water systems, 82% 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 St Johns Lutheran Church?

EPA lists St Johns Lutheran Church 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. 218 of the 249 active systems in Ozaukee County (88%) are also privately owned.

Does St Johns Lutheran Church have drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 1997. The violations listed here began between January 1994 and January 1997. By type: 6 monitoring and reporting. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 6 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.

BeganViolationContaminant or ruleHealth-basedStatus
1997-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1997-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
1995-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1995-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1994-01-03Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 6 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.

St Johns Lutheran Church: frequently asked questions

Who runs St Johns Lutheran Church?

St Johns Lutheran Church (PWSID WI2460231) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does St Johns Lutheran Church serve?

St Johns Lutheran Church reports serving 98 people through 1 service connection in Ozaukee County, Wisconsin.

Where does St Johns Lutheran Church 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 St Johns Lutheran Church have any drinking water violations?

EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 1997. 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 St Johns Lutheran Church'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 6 violations for this system; none is health-based, and the most recent began in January 1997. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find St Johns Lutheran Church's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. St Johns Lutheran Church is a 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 Ozaukee County

Water systemCountyPopulation servedTypeSource
Port Washington WaterworksOzaukee12,853CommunitySurface water
Cedarburg L & W CommissionOzaukee12,500CommunityGroundwater
Grafton WaterworksOzaukee12,269CommunityGroundwater
Mequon Water UtilityOzaukee11,152CommunityPurchased surface water
Saukville WaterworksOzaukee4,268CommunityGroundwater
Belgium WaterworksOzaukee2,493CommunityGroundwater

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, “St Johns Lutheran Church, PWSID WI2460231, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/st-johns-lutheran-church-wi2460231 (data as of October 1, 2026).