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States → Pennsylvania

TELFORD BOROUGH AUTHORITY

PWS ID: PA1460050 · TELFORD, Pennsylvania 18969

PFAS Detected

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

Population Served
7,700
Total Violations
224
Health-Based Violations
13
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,593
County
Montgomery
School/Daycare
No
MCL Violations
13
Monitoring Violations
205
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Trichloroethylene MCL 10 1989
p-Dichlorobenzene MR 8 1989
Vinyl chloride MR 8 1989
1,2-Dichloroethane MR 8 1989
Carbon tetrachloride MR 8 1989
Trichloroethylene MR 8 1989
1,1,1-Trichloroethane MR 8 1989
1,1-Dichloroethylene MR 8 1989
Endrin MR 5 2020
2,4-D MR 5 2020
Public Notice Other 5 2023
BHC-GAMMA MR 5 2020
2,4,5-TP MR 5 2020
Benzene MR 5 1989
Methoxychlor MR 5 2020
Toxaphene MR 5 2020
Diquat MR 4 2020
Endothall MR 4 2020
OXAMYL MR 4 2020
Di(2-ethylhexyl) phthalate MR 4 2020
Dinoseb MR 4 2020
Hexachlorocyclopentadiene MR 4 2020
Atrazine MR 4 2020
2,3,7,8-TCDD MR 4 2020
Heptachlor MR 4 2020
HEXACHLOROBENZENE MR 4 2020
Benzo(a)pyrene MR 4 2020
Total Polychlorinated Biphenyls (PCB) MR 4 2020
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2020
Di(2-ethylhexyl) adipate MR 4 2020

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 94 of 480 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 9/23/2025 0.0222 µg/L 0.005 µg/L Detected
HFPO-DA 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/23/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/23/2025 0.2262 µg/L 0.005 µg/L Detected
PFUnA 9/23/2025 <0.002 µg/L 0.002 µg/L Not Detected
8:2 FTS 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 9/23/2025 0.0128 µg/L 0.004 µg/L Detected
PFHpS 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 9/23/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeA 9/23/2025 0.0941 µg/L 0.003 µg/L Detected
4:2 FTS 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/23/2025 0.0070 µg/L 0.003 µg/L Detected
NMeFOSAA 9/23/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 9/23/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 9/23/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFDA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/23/2025 30.7000 µg/L 9 µg/L Detected
PFHxA 9/23/2025 0.0667 µg/L 0.003 µg/L Detected
PFHpA 9/23/2025 0.0175 µg/L 0.003 µg/L Detected
PFHxS 9/23/2025 0.0052 µg/L 0.003 µg/L Detected
PFNA 9/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/23/2025 0.0140 µg/L 0.004 µg/L Detected
PFMPA 9/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDoA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 9/23/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFMBA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/23/2025 0.0051 µg/L 0.003 µg/L Detected
PFPeS 9/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
lithium 9/23/2025 22.1000 µg/L 9 µg/L Detected
NMeFOSAA 9/23/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 9/23/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFHpS 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 9/23/2025 0.0169 µg/L 0.003 µg/L Detected
PFMPA 9/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 9/23/2025 0.0060 µg/L 0.005 µg/L Detected
PFOS 9/23/2025 0.0115 µg/L 0.004 µg/L Detected
NFDHA 9/23/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFHxS 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/23/2025 0.0071 µg/L 0.005 µg/L Detected
PFUnA 9/23/2025 <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.