Public water system · PA6270001
ActiveTionesta Borough Water Supply
At a glance
Tionesta Borough Water Supply (PWSID PA6270001) is an active community water system in Forest County, Pennsylvania. It reports serving 610 people through 272 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
610
Service connections
272
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Tionesta Borough Water Supply compare with other water systems in Forest County?
By EPA's size categories, Tionesta Borough Water Supply is a small system (501 to 3,300 people). Forest County has 23 active public water systems, and Tionesta Borough Water Supply is the 2nd-largest of them by population served. Its population served is about twice the county average of 301 people per system, and accounts for 8.8% of the 6,925 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 Tionesta Borough Water Supply is well below 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 Tionesta Borough Water Supply?
EPA lists Tionesta Borough Water Supply as owned by a local government. 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. 2 of the 23 active systems in Forest County (8.7%) are also owned by a local government.
Does Tionesta Borough Water Supply have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021. The violations listed here began between January 1994 and January 2021. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Chlorine (3 of them). 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 |
|---|---|---|---|---|
| 2021-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2017-08-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2017-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2015-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2004-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 1994-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | 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.
Tionesta Borough Water Supply: frequently asked questions
Who runs Tionesta Borough Water Supply?
Tionesta Borough Water Supply (PWSID PA6270001) is a community water system owned by a local government. It is regulated by the PA state drinking water program.
How many people does Tionesta Borough Water Supply serve?
Tionesta Borough Water Supply reports serving 610 people through 272 service connections in Forest County, Pennsylvania.
Where does Tionesta Borough Water Supply 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 Tionesta Borough Water Supply 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 January 2021. 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 Tionesta Borough Water Supply'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 January 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the PA state drinking water program.
Where can I find Tionesta Borough Water Supply's water quality report?
As a community water system, Tionesta Borough Water Supply 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 Forest County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aqua Pa Jenks Twp WTP | Forest | 4,320 | Community | Groundwater |
| West Hickory Water Company | Forest | 450 | Community | Groundwater |
| Abraxas Youth and Family | Forest | 350 | Non-transient non-community | Groundwater |
| Forest Area Schools | Forest | 300 | Non-transient non-community | Groundwater |
| Clarion River Lodge | Forest | 115 | Transient non-community | Groundwater |
| Loleta Bearclaw Campground | Forest | 100 | 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, “Tionesta Borough Water Supply, PWSID PA6270001, Pennsylvania”, https://aquacensus.com/water-systems/pennsylvania/tionesta-borough-water-supply-pa6270001 (data as of October 1, 2026).