PlainWater

RIGBY CITY OF

PWS ID: ID7260032 · RIGBY, Idaho 83442

PFAS Detected

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

Population Served
5,400
Total Violations
88
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,580
County
Jefferson
School/Daycare
No
MCL Violations
5
Monitoring Violations
73
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 17 2023
Coliform (TCR) MR 10 2012
Coliform (TCR) MCL 5 2013
Nitrate MR 4 2002
LEAD AND COPPER RULE REVISIONS TT 4 2024
LEAD AND COPPER RULE REVISIONS RPT 3 2024
cis-1,2-Dichloroethylene MR 2 1996
Xylenes, Total MR 2 1996
DICHLOROMETHANE MR 2 1996
p-Dichlorobenzene MR 2 1996
Vinyl chloride MR 2 1996
1,1-Dichloroethylene MR 2 1996
trans-1,2-Dichloroethylene MR 2 1996
1,2-Dichloroethane MR 2 1996
1,1,1-Trichloroethane MR 2 1996
Carbon tetrachloride MR 2 1996
Tetrachloroethylene MR 2 1996
CHLOROBENZENE MR 2 1996
Benzene MR 2 1996
Trichloroethylene MR 2 1996
Ethylbenzene MR 2 1996
1,2-Dichloropropane MR 2 1996
Toluene MR 2 1996
1,1,2-Trichloroethane MR 2 1996
o-Dichlorobenzene MR 2 1996
Styrene MR 2 1996
1,2,4-Trichlorobenzene MR 2 1996

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 10 of 300 samples detected PFAS.

Contaminant Date Result MRL Status
11Cl-PF3OUdS 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/11/2025 39.0000 µg/L 9 µg/L Detected
PFHpS 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 8/11/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFMBA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/11/2025 <0.007 µg/L 0.007 µg/L Not Detected
9Cl-PF3ONS 8/11/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFTA 8/11/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFUnA 8/11/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 8/11/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFHpA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
11Cl-PF3OUdS 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 8/11/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHxS 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 8/11/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 8/11/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFNA 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
NMeFOSAA 8/11/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFOA 8/11/2025 <0.004 µg/L 0.004 µg/L Not Detected
6:2 FTS 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/11/2025 35.0000 µg/L 9 µg/L Detected
NEtFOSAA 8/11/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 8/11/2025 <0.007 µg/L 0.007 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.