Public water system · PA4140120
ActiveWalker Twp Water Assoc
At a glance
Walker Twp Water Assoc (PWSID PA4140120) is an active community water system in Centre County, Pennsylvania. It reports serving 3,250 people through 1,573 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,250
Service connections
1,573
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Walker Twp Water Assoc compare with other water systems in Centre County?
By EPA's size categories, Walker Twp Water Assoc is a small system (501 to 3,300 people). Centre County has 76 active public water systems. Its population served is about 37% above the county average of 2,375 people per system, and accounts for 1.8% of the 180,520 people reported by systems filed under the county. Across Pennsylvania, the 7,217 active systems average 1,741 people each. Nationally, the average active community water system reports serving 6,703 people, so Walker Twp Water Assoc is about half of that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Pennsylvania has 1,762 active community water systems, 24% 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 Walker Twp Water Assoc?
EPA lists Walker Twp Water Assoc 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. 42 of the 76 active systems in Centre County (55%) are also privately owned.
Does Walker Twp Water Assoc have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2024. The violations listed here began between January 2023 and April 2024. By type: 11 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Groundwater Rule, Revised Total Coliform Rule, Heptachlor and Endrin. EPA lists 12 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 |
|---|---|---|---|---|
| 2024-04-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2023-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorobenzenecode 2274 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
The 12 most recent 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.
Walker Twp Water Assoc: frequently asked questions
Who runs Walker Twp Water Assoc?
Walker Twp Water Assoc (PWSID PA4140120) is a community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Walker Twp Water Assoc serve?
Walker Twp Water Assoc reports serving 3,250 people through 1,573 service connections in Centre County, Pennsylvania.
Where does Walker Twp Water Assoc 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 Walker Twp Water Assoc have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2024. 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 Walker Twp Water Assoc'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find Walker Twp Water Assoc's water quality report?
As a community water system, Walker Twp Water Assoc must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Centre County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| State College Boro Water Auth | Centre | 72,000 | Community | Surface water |
| Penn State Univ | Centre | 37,000 | Community | Groundwater |
| Paw Philipsburg | Centre | 20,865 | Community | Surface water |
| Bellefonte Borough Water Auth | Centre | 9,500 | Community | Groundwater |
| College Twp Water Authority | Centre | 6,000 | Community | Groundwater |
| Mountaintop Reg Water Auth | Centre | 3,456 | 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, “Walker Twp Water Assoc, PWSID PA4140120, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/walker-twp-water-assoc-pa4140120 (data as of October 1, 2026).