PlainWater

FARGO CITY OF

PWS ID: ND0900336 · FARGO, North Dakota 58103

PFAS Detected

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

Population Served
120,762
Total Violations
30
Health-Based Violations
25
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
30,766
County
Cass
School/Daycare
No
MCL Violations
13
Monitoring Violations
0
Treatment Tech Violations
12

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 12 1997
Bromate MCL 8 2018
Coliform (TCR) MCL 3 1993
TTHM MCL 2 1983

PFAS Testing Results (UCMR5)

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

Contaminant Date Result MRL Status
ADONA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 7/10/2023 22.9000 µg/L 9 µg/L Detected
PFBA 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOA 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 7/10/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFPeA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
HFPO-DA 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFOS 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 7/10/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 7/10/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFHpS 7/10/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 7/10/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/10/2023 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 7/10/2023 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/10/2023 <0.006 µg/L 0.006 µg/L Not Detected
9Cl-PF3ONS 7/10/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 4/11/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 4/11/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
lithium 4/11/2023 36.4000 µg/L 9 µg/L Detected
PFDA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 4/11/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 4/11/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/11/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 4/11/2023 <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.