PlainWater

MAHANOY TWP AUTH

PWS ID: PA3540011 · MAHANOY CITY, Pennsylvania 17948

Population Served
5,584
Total Violations
129
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,963
County
Schuylkill
School/Daycare
No
MCL Violations
0
Monitoring Violations
114
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 23 2012
Chlorine MR 11 2009
Total Haloacetic Acids (HAA5) MR 8 2018
TTHM MR 8 2018
CARBON, TOTAL MR 7 2024
Consumer Confidence Rule Other 5 2004
Interim Enhanced Surface Water Treatment Rule MR 2 2009
Arsenic MR 2 2022
Barium MR 2 2022
Chromium MR 2 2022
CYANIDE MR 2 2022
Mercury MR 2 2022
Nickel MR 2 2022
Antimony, Total MR 2 2022
Beryllium, Total MR 2 2022
Thallium, Total MR 2 2022
p-Dichlorobenzene MR 2 1989
1,1,1-Trichloroethane MR 2 1989
Carbon tetrachloride MR 2 1989
Toluene MR 2 1989
Styrene MR 2 1989
1,1-Dichloroethylene MR 2 1989
1,2-Dichloroethane MR 2 1989
Benzene MR 2 1989
Fluoride MR 2 2022
Long Term 2 Enhanced Surface Water Treatment Rule MR 2 2008
Selenium MR 2 2022
Cadmium MR 2 2022
Trichloroethylene MR 2 1989
DICHLOROMETHANE MR 1 1989

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 8/20/2024 <0.008 µg/L 0.008 µg/L Not Detected
4:2 FTS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
lithium 8/20/2024 <9 µg/L 9 µg/L Not Detected
PFOS 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 8/20/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/20/2024 <0.02 µg/L 0.02 µg/L Not Detected
NEtFOSAA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/20/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTrDA 8/20/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFBA 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/20/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/20/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 8/20/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 5/13/2024 <0.002 µg/L 0.002 µg/L Not Detected
NEtFOSAA 5/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 5/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 5/13/2024 <9 µg/L 9 µg/L Not Detected
PFTA 5/13/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 5/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 5/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 5/13/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 5/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 5/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 5/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 5/13/2024 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 5/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 5/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 5/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 5/13/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 5/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 5/13/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/13/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/13/2024 <0.005 µg/L 0.005 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.