PlainWater

ERIE CITY WATER AUTHORITY

PWS ID: PA6250028 · ERIE, Pennsylvania 16507

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 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 9/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 9/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/14/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/14/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
4:2 FTS 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 9/14/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFHpS 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/14/2023 <9 µg/L 9 µg/L Not Detected
PFTA 9/14/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFOS 9/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 9/14/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/14/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/14/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/14/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/18/2023 <0.008 µg/L 0.008 µg/L Not Detected
9Cl-PF3ONS 7/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFUnA 7/18/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/18/2023 <9 µg/L 9 µg/L Not Detected
11Cl-PF3OUdS 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/18/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/18/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFOA 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/18/2023 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/18/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 7/18/2023 <0.004 µg/L 0.004 µg/L Not Detected
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.