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RICHLAND TWP WATER AUTHORITY

PWS ID: PA5020018 · GIBSONIA, Pennsylvania 15044

RICHLAND TWP WATER AUTHORITY serves 10,190 people in GIBSONIA, Pennsylvania using Surface Water water sources. It has 16 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RICHLAND TWP WATER AUTHORITY

RICHLAND TWP WATER AUTHORITY is a local-owned community water system that delivers drinking water to 10,190 residents in GIBSONIA, Pennsylvania (Allegheny County) through 4,106 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 16 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 15 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is TTHM, recorded in 7 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. RICHLAND TWP WATER AUTHORITY's 16 violations sit below the Pennsylvania average. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%). 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
10,190
Total Violations
16
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
4,106
County
Allegheny
School/Daycare
No
MCL Violations
0
Monitoring Violations
15
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MR 7 2013
Total Haloacetic Acids (HAA5) MR 6 2013
Surface Water Treatment Rule MR 2 1992

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 9/12/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFPeA 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/12/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 9/12/2024 <9 µg/L 9 µg/L Not Detected
4:2 FTS 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/12/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/12/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFHpS 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/12/2024 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 9/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 9/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 9/12/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 9/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 9/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/12/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/12/2024 <0.004 µg/L 0.004 µg/L Not Detected
9Cl-PF3ONS 9/12/2024 <0.002 µg/L 0.002 µg/L Not Detected
6:2 FTS 7/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/23/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFNA 7/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 7/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 7/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 7/23/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 7/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 7/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 7/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/23/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/23/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 7/23/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/23/2024 <0.003 µg/L 0.003 µg/L Not Detected

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 RICHLAND TWP 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 PA5020018 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 RICHLAND TWP 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
2013 TTHM MR 7 SDWIS / PA5020018 / 2950
2013 Total Haloacetic Acids (HAA5) MR 6 SDWIS / PA5020018 / 2456
1992 Surface Water Treatment Rule MR 2 SDWIS / PA5020018 / 0200

How RICHLAND TWP WATER AUTHORITY Compares

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

Metric RICHLAND TWP WATER AUTHORITY Pennsylvania avg Federal benchmark
Total violations 16 150.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 10,190 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is RICHLAND TWP WATER AUTHORITY water safe to drink? ▼
RICHLAND TWP WATER AUTHORITY (PWS ID: PA5020018) has 16 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 10,190 people using Surface Water sources.
How many people does RICHLAND TWP WATER AUTHORITY serve? ▼
RICHLAND TWP WATER AUTHORITY serves 10,190 people in GIBSONIA, Pennsylvania. It is a Local-owned system using Surface Water water sources with 4,106 service connections.
What type of violations does RICHLAND TWP WATER AUTHORITY have? ▼
RICHLAND TWP WATER AUTHORITY has 16 total violations: 0 health-based violations (MCL exceedances or treatment failures), 15 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RICHLAND TWP WATER AUTHORITY water? ▼
No. RICHLAND TWP WATER AUTHORITY was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does RICHLAND TWP WATER AUTHORITY use? ▼
RICHLAND TWP WATER AUTHORITY uses Surface Water 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

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

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial