Public water system · WI4710125
ActiveGrace Lutheran Ch Winchester
At a glance
Grace Lutheran Ch Winchester (PWSID WI4710125) is an active transient non-community water system in Winnebago County, Wisconsin. It reports serving 46 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in August 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
46
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Grace Lutheran Ch Winchester compare with other water systems in Winnebago County?
By EPA's size categories, Grace Lutheran Ch Winchester is a very small system (500 people or fewer). Winnebago County has 145 active public water systems. Its population served is well below the county average of 1,016 people per system, and accounts for less than 0.1% of the 147,267 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 Grace Lutheran Ch Winchester is well 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 Grace Lutheran Ch Winchester?
EPA lists Grace Lutheran Ch Winchester 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. 123 of the 145 active systems in Winnebago County (85%) are also privately owned.
Does Grace Lutheran Ch Winchester have drinking water violations?
EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in August 2013. The violations listed here began between July 1996 and August 2013. By type: 3 contaminant level above the legal limit, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2013-08-21 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2013-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1997-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 5 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.
Grace Lutheran Ch Winchester: frequently asked questions
Who runs Grace Lutheran Ch Winchester?
Grace Lutheran Ch Winchester (PWSID WI4710125) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Grace Lutheran Ch Winchester serve?
Grace Lutheran Ch Winchester reports serving 46 people through 2 service connections in Winnebago County, Wisconsin.
Where does Grace Lutheran Ch Winchester 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 Grace Lutheran Ch Winchester have any drinking water violations?
EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in August 2013. 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 Grace Lutheran Ch Winchester'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 5 violations for this system; 3 are health-based, and the most recent began in August 2013. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Grace Lutheran Ch Winchester's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Grace Lutheran Ch Winchester 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 Winnebago County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oshkosh Waterworks | Winnebago | 63,000 | Community | Surface water |
| Neenah Waterworks | Winnebago | 27,506 | Community | Surface water |
| Menasha Elec & Water Util | Winnebago | 15,144 | Community | Surface water |
| Fox Crossing Utilities West | Winnebago | 14,000 | Community | Groundwater |
| Fox Crossing Utilities East | Winnebago | 10,927 | Community | Purchased surface water |
| Algoma Tn Sanitary Dist 1 | Winnebago | 3,935 | 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, “Grace Lutheran Ch Winchester, PWSID WI4710125, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/grace-lutheran-ch-winchester-wi4710125 (data as of October 1, 2026).