Public water system · PA6620020
ActivePa American Water Co Warren
At a glance
Pa American Water Co Warren (PWSID PA6620020) is an active community water system in Warren County, Pennsylvania. It reports serving 14,650 people through 5,451 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in December 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
14,650
Service connections
5,451
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Pa American Water Co Warren compare with other water systems in Warren County?
By EPA's size categories, Pa American Water Co Warren is a large system (10,001 to 100,000 people). Warren County has 61 active public water systems, and Pa American Water Co Warren is the largest of them by population served. Its population served is about 29 times the county average of 501 people per system, and accounts for 48% of the 30,533 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 Pa American Water Co Warren is about twice 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 Pa American Water Co Warren?
EPA lists Pa American Water Co Warren 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. 36 of the 61 active systems in Warren County (59%) are also privately owned.
Does Pa American Water Co Warren have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in December 2016. By type: 1 required treatment not met. The contaminant or rule involved is Groundwater Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2016-12-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Groundwater Rulecode 0700 | Yes | Resolved |
The one violation in EPA's records. 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.
Pa American Water Co Warren: frequently asked questions
Who runs Pa American Water Co Warren?
Pa American Water Co Warren (PWSID PA6620020) is a community water system privately owned. It is regulated by the PA state drinking water program.
How many people does Pa American Water Co Warren serve?
Pa American Water Co Warren reports serving 14,650 people through 5,451 service connections in Warren County, Pennsylvania.
Where does Pa American Water Co Warren 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 Pa American Water Co Warren have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in December 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 Pa American Water Co Warren'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 one violation for this system; it is health-based, and the most recent began in December 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find Pa American Water Co Warren's water quality report?
As a community water system, Pa American Water Co Warren 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 Warren County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Youngsville Mun Waterworks | Warren | 1,957 | Community | Groundwater |
| North Warren Muni Authority | Warren | 1,749 | Community | Groundwater |
| Sheffield Twp Municipal Auth | Warren | 1,075 | Community | Groundwater |
| Southwest Warren Co Mun Auth | Warren | 1,040 | Community | Surface water |
| Aqua Pa Clarendon | Warren | 840 | Community | Groundwater |
| Eisenhower Elemen Middle Hs | Warren | 835 | 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, “Pa American Water Co Warren, PWSID PA6620020, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/pa-american-water-co-warren-pa6620020 (data as of October 1, 2026).