Public water system · PA5100919
ActiveProspect Corner Store
At a glance
Prospect Corner Store (PWSID PA5100919) is an active transient non-community water system in Butler 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 November 2017.
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 Prospect Corner Store compare with other water systems in Butler County?
By EPA's size categories, Prospect Corner Store is a very small system (500 people or fewer). Butler County has 155 active public water systems. Its population served is well below the county average of 1,007 people per system, and accounts for less than 0.1% of the 156,059 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 Prospect Corner Store 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 Prospect Corner Store?
EPA lists Prospect Corner Store 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. 111 of the 155 active systems in Butler County (72%) are also privately owned.
Does Prospect Corner Store have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in November 2017. The violations listed here began between January 2007 and November 2017. By type: 2 monitoring and reporting, 1 reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Revised Total Coliform Rule, Public Notice, Total coliform bacteria (TCR) and Nitrite. 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 |
|---|---|---|---|---|
| 2017-11-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2011-08-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2010-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | 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.
Prospect Corner Store: frequently asked questions
Who runs Prospect Corner Store?
Prospect Corner Store (PWSID PA5100919) is a transient non-community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Prospect Corner Store serve?
Prospect Corner Store reports serving 50 people through 1 service connection in Butler County, Pennsylvania.
Where does Prospect Corner Store 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 Prospect Corner Store have any drinking water violations?
EPA's records list 4 violations for this system; none 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 Prospect Corner Store'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 November 2017. For current results, consult EPA ECHO, or the PA state drinking water program.
Where can I find Prospect Corner Store's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Prospect Corner Store 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 Butler County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pa American Water Co Butler | Butler | 43,286 | Community | Surface water |
| Cranberry Twp WTP | Butler | 42,000 | Community | Purchased surface water |
| Slippery Rock Muni Auth | Butler | 15,778 | Community | Groundwater |
| Municipal Water Auth Adams Twp | Butler | 8,700 | Community | Purchased surface water |
| Harmony Boro Water Auth | Butler | 6,669 | Community | Surface water |
| Zelienople Boro | Butler | 4,123 | Community | Purchased 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, “Prospect Corner Store, PWSID PA5100919, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/prospect-corner-store-pa5100919 (data as of October 1, 2026).