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Community Water System · PWS PA6430043

Jamestown Boro Water Auth

Jamestown, Pennsylvania 16134 - drinking water served from groundwater sources to 680 people, tracked in EPA SDWIS and UCMR5.

680
People served
334
EPA violations
20
Health-based
Untested
UCMR5 result

The verdict

EPA records 334 drinking-water violations at Jamestown Boro Water Auth, 6% of them health-based - above the Pennsylvania per-system average.

334
Total EPA violations on record
6%
Health-based (MCL / treatment failure)
680
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Jamestown Boro Water Auth

Jamestown Boro Water Auth is a local-owned community water system that delivers drinking water to 680 residents in Jamestown, Pennsylvania (Mercer County) through 312 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 334 total violations for this system , of which 20 (6%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 289 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Nitrate, recorded in 32 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Pennsylvania, EPA tracks 7,701 public water systems serving 12,630,061 people, with 1,159,868 cumulative violations and 68,517 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 150.6 violations. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

Jamestown Boro Water Auth's 334 violations sit above the Pennsylvania average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
680
Total Violations
334
Health-Based Violations
20
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
312
County
Mercer
School/Daycare
No
MCL Violations
16
Monitoring Violations
289
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 32 2016
Bromate MCL 16 2005
Chlorine MR 16 2016
Total Haloacetic Acids (HAA5) MR 13 2025
TTHM MR 13 2025
Public Notice Other 11 2025
Mercury MR 9 2024
Coliform (TCR) MR 8 2007
Consumer Confidence Rule Other 6 2004
1,2,4-Trichlorobenzene MR 6 1996
Xylenes, Total MR 6 1996
DICHLOROMETHANE MR 6 1996
o-Dichlorobenzene MR 6 1996
p-Dichlorobenzene MR 6 1996
1,1-Dichloroethylene MR 6 1996
1,2-Dichloroethane MR 6 1996
Carbon tetrachloride MR 6 1996
Trichloroethylene MR 6 1996
1,1,2-Trichloroethane MR 6 1996
Tetrachloroethylene MR 6 1996
CHLOROBENZENE MR 6 1996
Ethylbenzene MR 6 1996
Lead and Copper Rule MR 6 2008
cis-1,2-Dichloroethylene MR 6 1996
1,1,1-Trichloroethane MR 6 1996
Toluene MR 6 1996
Styrene MR 6 1996
Benzene MR 6 1996
1,2-Dichloropropane MR 6 1996
trans-1,2-Dichloroethylene MR 6 1996

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Jamestown Boro Water Auth.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID PA6430043 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Pennsylvania Drinking Water Authority

Pennsylvania DEP, Bureau of Safe Drinking Water is the primacy agency that licenses and inspects Jamestown Boro Water Auth under EPA-delegated authority.

Open PA regulator portal

Source: Pennsylvania DEP, Bureau of Safe Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Total Haloacetic Acids (HAA5) MR 13 SDWIS / PA6430043 / 2456
2025 TTHM MR 13 SDWIS / PA6430043 / 2950
2025 Public Notice Other 11 SDWIS / PA6430043 / 7500
2025 Revised Total Coliform Rule TT 4 SDWIS / PA6430043 / 8000
2025 Revised Total Coliform Rule RPT 2 SDWIS / PA6430043 / 8000
2024 Mercury MR 9 SDWIS / PA6430043 / 1035
2016 Nitrate MR 32 SDWIS / PA6430043 / 1040
2016 Chlorine MR 16 SDWIS / PA6430043 / 0999
2016 Di(2-ethylhexyl) phthalate MR 3 SDWIS / PA6430043 / 2039
2016 Nitrite MR 3 SDWIS / PA6430043 / 1041
2016 Groundwater Rule MR 2 SDWIS / PA6430043 / 0700
2011 Toxaphene MR 3 SDWIS / PA6430043 / 2020
2008 Lead and Copper Rule MR 6 SDWIS / PA6430043 / 5000
2008 LASSO MR 3 SDWIS / PA6430043 / 2051
2008 Simazine MR 3 SDWIS / PA6430043 / 2037

How Jamestown Boro Water Auth Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Jamestown Boro Water Auth Pennsylvania avg Federal benchmark
Total violations 334 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 20 8.9 Indicates a contaminant exceeded a federal MCL
PFAS detection None 57.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 680 1,640 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,701 regulated public water systems in Pennsylvania.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Jamestown Boro Water Auth water safe to drink? ▼
Jamestown Boro Water Auth (PWS ID: PA6430043) has 334 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 680 people using Groundwater sources.
How many people does Jamestown Boro Water Auth serve? ▼
Jamestown Boro Water Auth serves 680 people in Jamestown, Pennsylvania. It is a Local-owned system using Groundwater water sources with 312 service connections.
What type of violations does Jamestown Boro Water Auth have? ▼
Jamestown Boro Water Auth has 334 total violations: 20 health-based violations (MCL exceedances or treatment failures), 289 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Jamestown Boro Water Auth water? ▼
No PFAS testing data is available for Jamestown Boro Water Auth under the EPA's UCMR5 monitoring program.
What water source does Jamestown Boro Water Auth use? ▼
Jamestown Boro Water Auth uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.