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Community Water System · PWS PA5020067

Oakdale Boro Water Dept

Oakdale, Pennsylvania 15071 - drinking water served from surface water sources to 1,459 people, tracked in EPA SDWIS and UCMR5.

1,459
People served
119
EPA violations
22
Health-based
Untested
UCMR5 result

The verdict

EPA records 119 drinking-water violations at Oakdale Boro Water Dept, 18% of them health-based - below the Pennsylvania per-system average.

119
Total EPA violations on record
18%
Health-based (MCL / treatment failure)
1,459
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Oakdale Boro Water Dept

Oakdale Boro Water Dept is a local-owned community water system that delivers drinking water to 1,459 residents in Oakdale, Pennsylvania (Allegheny County) through 691 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 119 total violations for this system , of which 22 (18%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 91 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 Chlorine, recorded in 22 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%).

Oakdale Boro Water Dept's 119 violations sit below 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
1,459
Total Violations
119
Health-Based Violations
22
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
691
County
Allegheny
School/Daycare
No
MCL Violations
22
Monitoring Violations
91
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine MR 22 2012
Surface Water Treatment Rule MR 22 2012
Coliform (TCR) MR 19 2010
TTHM MCL 18 2009
Total Haloacetic Acids (HAA5) MR 9 2025
TTHM MR 7 2025
Cadmium MR 5 1990
Coliform (TCR) MCL 4 2006
Lead and Copper Rule MR 4 1994
Consumer Confidence Rule Other 3 2004
Revised Total Coliform Rule MON 2 2023
Public Notice Other 1 2024
Gross Alpha, Excl. Radon and U MR 1 1980

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 Oakdale Boro Water Dept.

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 PA5020067 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 Oakdale Boro Water Dept 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 9 SDWIS / PA5020067 / 2456
2025 TTHM MR 7 SDWIS / PA5020067 / 2950
2024 Public Notice Other 1 SDWIS / PA5020067 / 7500
2023 Revised Total Coliform Rule MON 2 SDWIS / PA5020067 / 8000
2012 Chlorine MR 22 SDWIS / PA5020067 / 0999
2012 Surface Water Treatment Rule MR 22 SDWIS / PA5020067 / 0200
2010 Coliform (TCR) MR 19 SDWIS / PA5020067 / 3100
2009 TTHM MCL 18 SDWIS / PA5020067 / 2950
2006 Coliform (TCR) MCL 4 SDWIS / PA5020067 / 3100
2004 Consumer Confidence Rule Other 3 SDWIS / PA5020067 / 7000
1994 Lead and Copper Rule MR 4 SDWIS / PA5020067 / 5000
1990 Cadmium MR 5 SDWIS / PA5020067 / 1015
1980 Gross Alpha, Excl. Radon and U MR 1 SDWIS / PA5020067 / 4000

How Oakdale Boro Water Dept Compares

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

Metric Oakdale Boro Water Dept Pennsylvania avg Federal benchmark
Total violations 119 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 22 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 1,459 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 Oakdale Boro Water Dept water safe to drink? ▼
Oakdale Boro Water Dept (PWS ID: PA5020067) has 119 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,459 people using Surface Water sources.
How many people does Oakdale Boro Water Dept serve? ▼
Oakdale Boro Water Dept serves 1,459 people in Oakdale, Pennsylvania. It is a Local-owned system using Surface Water water sources with 691 service connections.
What type of violations does Oakdale Boro Water Dept have? ▼
Oakdale Boro Water Dept has 119 total violations: 22 health-based violations (MCL exceedances or treatment failures), 91 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Oakdale Boro Water Dept water? ▼
No PFAS testing data is available for Oakdale Boro Water Dept under the EPA's UCMR5 monitoring program.
What water source does Oakdale Boro Water Dept use? ▼
Oakdale Boro Water Dept 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.
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.