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Community Water System · PWS PA1090107

Borough of Dublin

Dublin, Pennsylvania 18917 - drinking water served from groundwater sources to 2,200 people, tracked in EPA SDWIS and UCMR5.

2,200
People served
458
EPA violations
8
Health-based
Untested
UCMR5 result

The verdict

EPA records 458 drinking-water violations at Borough of Dublin, 2% of them health-based - above the Pennsylvania per-system average.

458
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
2,200
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Borough of Dublin

Borough of Dublin is a local-owned community water system that delivers drinking water to 2,200 residents in Dublin, Pennsylvania (Bucks County) through 363 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 458 total violations for this system , of which 8 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 425 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 Endrin, recorded in 13 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%).

Borough of Dublin's 458 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
2,200
Total Violations
458
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
363
County
Bucks
School/Daycare
No
MCL Violations
0
Monitoring Violations
425
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Endrin MR 13 2020
Toxaphene MR 13 2020
BHC-GAMMA MR 13 2020
Methoxychlor MR 13 2020
2,4,5-TP MR 13 2020
2,4-D MR 13 2020
Dalapon MR 12 2020
Diquat MR 12 2020
Endothall MR 12 2020
Di(2-ethylhexyl) adipate MR 12 2020
Di(2-ethylhexyl) phthalate MR 12 2020
Picloram MR 12 2020
2,3,7,8-TCDD MR 12 2020
HEXACHLOROBENZENE MR 12 2020
Benzo(a)pyrene MR 12 2020
Pentachlorophenol MR 12 2020
Total Polychlorinated Biphenyls (PCB) MR 12 2020
1,2-DIBROMO-3-CHLOROPROPANE MR 12 2020
ETHYLENE DIBROMIDE MR 12 2020
Glyphosate MR 12 2020
OXAMYL MR 12 2020
Simazine MR 12 2020
Hexachlorocyclopentadiene MR 12 2020
Carbofuran MR 12 2020
LASSO MR 12 2020
Heptachlor MR 12 2020
Heptachlor epoxide MR 12 2020
Atrazine MR 12 2020
Chlordane MR 12 2020
Dinoseb MR 12 2020

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 Borough of Dublin.

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 PA1090107 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 Borough of Dublin 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 Lead and Copper Rule MR 6 SDWIS / PA1090107 / 5000
2025 Groundwater Rule MR 6 SDWIS / PA1090107 / 0700
2020 Endrin MR 13 SDWIS / PA1090107 / 2005
2020 Toxaphene MR 13 SDWIS / PA1090107 / 2020
2020 BHC-GAMMA MR 13 SDWIS / PA1090107 / 2010
2020 Methoxychlor MR 13 SDWIS / PA1090107 / 2015
2020 2,4,5-TP MR 13 SDWIS / PA1090107 / 2110
2020 2,4-D MR 13 SDWIS / PA1090107 / 2105
2020 Dalapon MR 12 SDWIS / PA1090107 / 2031
2020 Diquat MR 12 SDWIS / PA1090107 / 2032
2020 Endothall MR 12 SDWIS / PA1090107 / 2033
2020 Di(2-ethylhexyl) adipate MR 12 SDWIS / PA1090107 / 2035
2020 Di(2-ethylhexyl) phthalate MR 12 SDWIS / PA1090107 / 2039
2020 Picloram MR 12 SDWIS / PA1090107 / 2040
2020 2,3,7,8-TCDD MR 12 SDWIS / PA1090107 / 2063

How Borough of Dublin Compares

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

Metric Borough of Dublin Pennsylvania avg Federal benchmark
Total violations 458 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 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 2,200 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 Borough of Dublin water safe to drink? ▼
Borough of Dublin (PWS ID: PA1090107) has 458 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,200 people using Groundwater sources.
How many people does Borough of Dublin serve? ▼
Borough of Dublin serves 2,200 people in Dublin, Pennsylvania. It is a Local-owned system using Groundwater water sources with 363 service connections.
What type of violations does Borough of Dublin have? ▼
Borough of Dublin has 458 total violations: 8 health-based violations (MCL exceedances or treatment failures), 425 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Borough of Dublin water? ▼
No PFAS testing data is available for Borough of Dublin under the EPA's UCMR5 monitoring program.
What water source does Borough of Dublin use? ▼
Borough of Dublin 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.