PlainWater
States → Pennsylvania

KNOEBELS GROVE PARK

PWS ID: PA4190398 · ELYSBURG, Pennsylvania 17824

PFAS Detected

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

Population Served
4,000
Total Violations
1,039
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
500
County
Columbia
School/Daycare
No
MCL Violations
0
Monitoring Violations
1,028
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Polychlorinated Biphenyls (PCB) MR 74 2020
Revised Total Coliform Rule MON 66 2024
Chlorine MR 55 2019
2,3,7,8-TCDD MR 46 2016
Coliform (TCR) MR 41 2016
1,1-Dichloroethylene MR 20 2010
1,2-Dichloroethane MR 20 2010
1,1,1-Trichloroethane MR 20 2010
Carbon tetrachloride MR 20 2010
1,2-Dichloropropane MR 20 2010
Trichloroethylene MR 20 2010
Tetrachloroethylene MR 20 2010
Styrene MR 20 2010
1,2,4-Trichlorobenzene MR 20 2010
cis-1,2-Dichloroethylene MR 20 2010
DICHLOROMETHANE MR 20 2010
trans-1,2-Dichloroethylene MR 20 2010
1,1,2-Trichloroethane MR 20 2010
CHLOROBENZENE MR 20 2010
Toluene MR 20 2010
Xylenes, Total MR 20 2010
o-Dichlorobenzene MR 20 2010
p-Dichlorobenzene MR 20 2010
Ethylbenzene MR 20 2010
Benzene MR 20 2010
Endrin MR 13 2020
Toxaphene MR 13 2020
Diquat MR 13 2020
Glyphosate MR 13 2020
Di(2-ethylhexyl) adipate MR 13 2020

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 6/19/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFDoA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 6/19/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHpA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/19/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/19/2023 <0.008 µg/L 0.008 µg/L Not Detected
lithium 6/19/2023 37.6000 µg/L 9 µg/L Detected
PFHxS 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/19/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/19/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFMBA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 6/19/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFDA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/19/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/19/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 6/19/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 6/19/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFMPA 6/19/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFTrDA 6/19/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFBA 6/19/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 6/19/2023 <0.003 µg/L 0.003 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.