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Community Water System · PWS PA1090058

Riegelsville Water Authority

Riegelsville, Pennsylvania 18077 - drinking water served from groundwater sources to 980 people, tracked in EPA SDWIS and UCMR5.

980
People served
399
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 399 drinking-water violations at Riegelsville Water Authority, 3% of them health-based - above the Pennsylvania per-system average.

399
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
980
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Riegelsville Water Authority

Riegelsville Water Authority is a local-owned community water system that delivers drinking water to 980 residents in Riegelsville, Pennsylvania (Bucks County) through 402 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 399 total violations for this system , of which 10 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 378 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 cis-1,2-Dichloroethylene, 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%).

Riegelsville Water Authority's 399 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
980
Total Violations
399
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
402
County
Bucks
School/Daycare
No
MCL Violations
6
Monitoring Violations
378
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
cis-1,2-Dichloroethylene MR 13 2012
o-Dichlorobenzene MR 13 2012
1,2-Dichloroethane MR 13 2012
Trichloroethylene MR 13 2012
Tetrachloroethylene MR 13 2012
CHLOROBENZENE MR 13 2012
Toluene MR 13 2012
Ethylbenzene MR 13 2012
Styrene MR 13 2012
p-Dichlorobenzene MR 13 2012
trans-1,2-Dichloroethylene MR 13 2012
1,1,1-Trichloroethane MR 13 2012
1,2-Dichloropropane MR 13 2012
1,1,2-Trichloroethane MR 13 2012
Carbon tetrachloride MR 13 2012
Benzene MR 13 2012
Atrazine MR 13 2023
1,1-Dichloroethylene MR 13 2012
2,4-D MR 13 2023
Xylenes, Total MR 11 2012
1,2,4-Trichlorobenzene MR 11 2012
Coliform (TCR) MR 10 2009
LASSO MR 10 2023
DICHLOROMETHANE MR 9 2011
Groundwater Rule MR 8 2024
Coliform (TCR) MCL 6 2008
Consumer Confidence Rule Other 6 2004
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2023
ETHYLENE DIBROMIDE MR 4 2023
Nitrate MR 4 1994

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 Riegelsville Water Authority.

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 PA1090058 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 Riegelsville Water Authority 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 Public Notice Other 4 SDWIS / PA1090058 / 7500
2025 Groundwater Rule TT 2 SDWIS / PA1090058 / 0700
2024 Groundwater Rule MR 8 SDWIS / PA1090058 / 0700
2023 Atrazine MR 13 SDWIS / PA1090058 / 2050
2023 2,4-D MR 13 SDWIS / PA1090058 / 2105
2023 LASSO MR 10 SDWIS / PA1090058 / 2051
2023 1,2-DIBROMO-3-CHLOROPROPANE MR 4 SDWIS / PA1090058 / 2931
2023 ETHYLENE DIBROMIDE MR 4 SDWIS / PA1090058 / 2946
2023 BHC-GAMMA MR 3 SDWIS / PA1090058 / 2010
2023 Methoxychlor MR 3 SDWIS / PA1090058 / 2015
2023 Toxaphene MR 3 SDWIS / PA1090058 / 2020
2023 2,4,5-TP MR 3 SDWIS / PA1090058 / 2110
2023 Endrin MR 3 SDWIS / PA1090058 / 2005
2023 Diquat MR 2 SDWIS / PA1090058 / 2032
2023 Di(2-ethylhexyl) adipate MR 2 SDWIS / PA1090058 / 2035

How Riegelsville Water Authority Compares

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

Metric Riegelsville Water Authority Pennsylvania avg Federal benchmark
Total violations 399 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 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 980 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 Riegelsville Water Authority water safe to drink? ▼
Riegelsville Water Authority (PWS ID: PA1090058) has 399 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 980 people using Groundwater sources.
How many people does Riegelsville Water Authority serve? ▼
Riegelsville Water Authority serves 980 people in Riegelsville, Pennsylvania. It is a Local-owned system using Groundwater water sources with 402 service connections.
What type of violations does Riegelsville Water Authority have? ▼
Riegelsville Water Authority has 399 total violations: 10 health-based violations (MCL exceedances or treatment failures), 378 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Riegelsville Water Authority water? ▼
No PFAS testing data is available for Riegelsville Water Authority under the EPA's UCMR5 monitoring program.
What water source does Riegelsville Water Authority use? ▼
Riegelsville Water Authority 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.