Public water system · PA5630403
ActiveMouse Trap
At a glance
Mouse Trap (PWSID PA5630403) is an active transient non-community water system in Washington County, Pennsylvania. It reports serving 50 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Mouse Trap compare with other water systems in Washington County?
By EPA's size categories, Mouse Trap is a very small system (500 people or fewer). Washington County has 26 active public water systems. Its population served is well below the county average of 1,750 people per system, and accounts for 0.1% of the 45,508 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 Mouse Trap is about 65% 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 Mouse Trap?
EPA lists Mouse Trap as privately owned. 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. 13 of the 26 active systems in Washington County (50%) are also privately owned.
Does Mouse Trap have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2016. The violations listed here began between December 1986 and January 2016. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Nitrate (3 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 |
|---|---|---|---|---|
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1998-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1986-12-24 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | 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.
Mouse Trap: frequently asked questions
Who runs Mouse Trap?
Mouse Trap (PWSID PA5630403) is a transient non-community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Mouse Trap serve?
Mouse Trap reports serving 50 people through 1 service connection in Washington County, Pennsylvania.
Where does Mouse Trap 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 Mouse Trap have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 2016. 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 Mouse Trap'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; none is health-based, and the most recent began in January 2016. For current results, consult EPA ECHO, or the PA state drinking water program.
Where can I find Mouse Trap's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mouse Trap 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 Washington County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Auth of Boro of Charleroi | Washington | 27,000 | Community | Surface water |
| Tri Cnty Jt Muni Auth | Washington | 10,100 | Community | Surface water |
| Bentleyville Muni Auth | Washington | 2,600 | Community | Purchased surface water |
| Ellsworth Boro Water Dept | Washington | 1,250 | Community | Purchased surface water |
| Sheetz Inc. #209 | Washington | 911 | Transient non-community | Groundwater |
| Avella Area School District | Washington | 850 | 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, “Mouse Trap, PWSID PA5630403, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/mouse-trap-pa5630403 (data as of October 1, 2026).