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Community Water System · PWS PA6250028

Erie City Water Authority

Erie, Pennsylvania 16507 - drinking water served from surface water sources to 220,001 people, tracked in EPA SDWIS and UCMR5.

220,001
People served
408
EPA violations
28
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 408 drinking-water violations at Erie City Water Authority, 7% of them health-based - above the Pennsylvania per-system average.

408
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
220,001
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Erie City Water Authority

Erie City Water Authority is a local-owned community water system that delivers drinking water to 220,001 residents in Erie, Pennsylvania (Erie County) through 63,820 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 408 total violations for this system , of which 28 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 355 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 Total Haloacetic Acids (HAA5), recorded in 25 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. Statewide, 224 of 389 UCMR5-tested systems have reported PFAS detections (57.6%).

Erie City Water Authority's 408 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
220,001
Total Violations
408
Health-Based Violations
28
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
63,820
County
Erie
School/Daycare
No
MCL Violations
4
Monitoring Violations
355
Treatment Tech Violations
24

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MR 25 2023
Surface Water Treatment Rule MR 23 2024
TTHM MR 18 2023
CARBON, TOTAL MR 17 2022
2,4-D MR 14 2021
Interim Enhanced Surface Water Treatment Rule TT 14 2018
Interim Enhanced Surface Water Treatment Rule MR 14 2023
Carbofuran MR 12 2014
OXAMYL MR 12 2014
Surface Water Treatment Rule TT 10 2001
1,2-DIBROMO-3-CHLOROPROPANE MR 9 2013
ETHYLENE DIBROMIDE MR 9 2013
BHC-GAMMA MR 8 2013
Simazine MR 8 2013
Hexachlorocyclopentadiene MR 8 2013
LASSO MR 8 2013
Pentachlorophenol MR 8 2013
Methoxychlor MR 8 2013
Endothall MR 8 2013
Di(2-ethylhexyl) adipate MR 8 2013
Picloram MR 8 2013
Benzo(a)pyrene MR 8 2013
Public Notice Other 8 2006
Thallium, Total MR 8 2012
2,3,7,8-TCDD MR 6 2013
Heptachlor MR 6 2013
Consumer Confidence Rule Other 4 2004
Di(2-ethylhexyl) phthalate MR 4 2003
Atrazine MR 4 2003
Chlordane MR 4 2003

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 9/14/2023 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 9/14/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 9/14/2023 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/14/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/14/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/14/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeA 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/14/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/14/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxS 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/14/2023 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/14/2023 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/14/2023 <6.00 ppt 6.00 ppt Not Detected
PFHpS 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
PFTA 9/14/2023 <8.00 ppt 8.00 ppt Not Detected
PFOS 9/14/2023 <4.00 ppt 4.00 ppt Not Detected
NEtFOSAA 9/14/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxA 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/14/2023 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/14/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/14/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 9/14/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/18/2023 <8.00 ppt 8.00 ppt Not Detected
9Cl-PF3ONS 7/18/2023 <2.00 ppt 2.00 ppt Not Detected
PFUnA 7/18/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFDoA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/18/2023 <7.00 ppt 7.00 ppt Not Detected
NEtFOSAA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
NMeFOSAA 7/18/2023 <6.00 ppt 6.00 ppt Not Detected
PFOA 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
PFDA 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/18/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 7/18/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeS 7/18/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 7/18/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 7/18/2023 <3.00 ppt 3.00 ppt 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 Erie City 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 PA6250028 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 Erie City 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 Revised Total Coliform Rule RPT 2 SDWIS / PA6250028 / 8000
2024 Surface Water Treatment Rule MR 23 SDWIS / PA6250028 / 0200
2024 Revised Total Coliform Rule MON 4 SDWIS / PA6250028 / 8000
2023 Total Haloacetic Acids (HAA5) MR 25 SDWIS / PA6250028 / 2456
2023 TTHM MR 18 SDWIS / PA6250028 / 2950
2023 Interim Enhanced Surface Water Treatment Rule MR 14 SDWIS / PA6250028 / 0300
2022 CARBON, TOTAL MR 17 SDWIS / PA6250028 / 2920
2021 2,4-D MR 14 SDWIS / PA6250028 / 2105
2018 Interim Enhanced Surface Water Treatment Rule TT 14 SDWIS / PA6250028 / 0300
2017 TTHM MCL 4 SDWIS / PA6250028 / 2950
2017 Chlorine MR 2 SDWIS / PA6250028 / 0999
2016 Revised Total Coliform Rule Other 2 SDWIS / PA6250028 / 8000
2014 Carbofuran MR 12 SDWIS / PA6250028 / 2046
2014 OXAMYL MR 12 SDWIS / PA6250028 / 2036
2013 1,2-DIBROMO-3-CHLOROPROPANE MR 9 SDWIS / PA6250028 / 2931

How Erie City Water Authority Compares

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

Metric Erie City Water Authority Pennsylvania avg Federal benchmark
Total violations 408 150.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 28 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 220,001 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 Erie City Water Authority water safe to drink? ▼
Erie City Water Authority (PWS ID: PA6250028) has 408 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 220,001 people using Surface Water sources.
How many people does Erie City Water Authority serve? ▼
Erie City Water Authority serves 220,001 people in Erie, Pennsylvania. It is a Local-owned system using Surface Water water sources with 63,820 service connections.
What type of violations does Erie City Water Authority have? ▼
Erie City Water Authority has 408 total violations: 28 health-based violations (MCL exceedances or treatment failures), 355 monitoring/reporting violations, and 24 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Erie City Water Authority water? ▼
No. Erie City Water Authority was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Erie City Water Authority use? ▼
Erie City 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.
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.

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.