Public water system · PA6431087
ActiveClark Trinity United Methodist
At a glance
Clark Trinity United Methodist (PWSID PA6431087) is an active transient non-community water system in Mercer County, Pennsylvania. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as under public/private ownership. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Clark Trinity United Methodist compare with other water systems in Mercer County?
By EPA's size categories, Clark Trinity United Methodist is a very small system (500 people or fewer). Mercer County has 124 active public water systems. Its population served is well below the county average of 769 people per system, and accounts for less than 0.1% of the 95,322 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Clark Trinity United Methodist 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. Pennsylvania has 4,429 active transient non-community water systems, 61% of the state's 7,217 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,632 Pennsylvania systems (92%) list groundwater as their primary source.
Who owns and regulates Clark Trinity United Methodist?
EPA lists Clark Trinity United Methodist as under public/private ownership. The PA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 14 of the 124 active systems in Mercer County (11%) are also under public/private ownership.
Does Clark Trinity United Methodist have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in December 2025. The violations listed here began between April 2010 and December 2025. By type: 1 monitoring, 1 reporting, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2025-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2010-08-10 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2010-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Clark Trinity United Methodist: frequently asked questions
Who runs Clark Trinity United Methodist?
Clark Trinity United Methodist (PWSID PA6431087) is a transient non-community water system under public/private ownership. It is regulated by the PA state drinking water program.
How many people does Clark Trinity United Methodist serve?
Clark Trinity United Methodist reports serving 25 people through 1 service connection in Mercer County, Pennsylvania.
Where does Clark Trinity United Methodist 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 Clark Trinity United Methodist have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in December 2025. 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 Clark Trinity United Methodist'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 4 violations for this system; 1 is health-based, and the most recent began in December 2025. For current results, consult EPA ECHO, or the PA state drinking water program.
Where can I find Clark Trinity United Methodist's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Clark Trinity United Methodist 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 Mercer County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aqua Pa Shenango Valley WTP | Mercer | 48,000 | Community | Surface water |
| Aqua Pa Greenville | Mercer | 8,600 | Community | Surface water |
| Grove City Boro Water Dept | Mercer | 7,871 | Community | Groundwater |
| Sharpsville Boro Water Co | Mercer | 5,029 | Community | Purchased surface water |
| Pine Twp Water Distr System | Mercer | 3,082 | Community | Purchased groundwater |
| Reynolds Water Company | Mercer | 2,370 | Community | 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, “Clark Trinity United Methodist, PWSID PA6431087, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/clark-trinity-united-methodist-pa6431087 (data as of October 1, 2026).