PlainWater

BEAR VALLEY JOINT AUTH

PWS ID: PA7280043 · ST THOMAS, Pennsylvania 17252

PFAS Detected

2 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
12,589
Total Violations
254
Health-Based Violations
9
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
4,237
County
Franklin
School/Daycare
No
MCL Violations
4
Monitoring Violations
233
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule MR 31 2020
Surface Water Treatment Rule MR 28 2011
Chlorine MR 15 2009
CARBON, TOTAL MR 14 2009
Nitrate MR 9 2020
Nitrite MR 6 2020
Selenium MR 5 2011
Antimony, Total MR 5 2011
Surface Water Treatment Rule TT 5 2018
Thallium, Total MR 5 2011
Beryllium, Total MR 5 2011
Coliform (TCR) MCL 4 2015
Lead and Copper Rule MR 4 2025
Coliform (TCR) MR 4 2011
Public Notice Other 4 2010
Mercury MR 4 2021
TTHM MR 4 2020
Total Haloacetic Acids (HAA5) MR 4 2020
Revised Total Coliform Rule RPT 3 2019
Cadmium MR 2 2011
Fluoride MR 2 2011
Endrin MR 2 2017
BHC-GAMMA MR 2 2017
Dalapon MR 2 2017
Endothall MR 2 2017
Glyphosate MR 2 2017
Di(2-ethylhexyl) adipate MR 2 2017
Simazine MR 2 2017
Di(2-ethylhexyl) phthalate MR 2 2017
Picloram MR 2 2017

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 5 of 240 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/17/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFTA 9/17/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/17/2024 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 9/17/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFMPA 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/17/2024 <9 µg/L 9 µg/L Not Detected
11Cl-PF3OUdS 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
8:2 FTS 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/17/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/17/2024 <0.008 µg/L 0.008 µg/L Not Detected
ADONA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/17/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/17/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 9/17/2024 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/17/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/17/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/17/2024 <0.002 µg/L 0.002 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.