PlainWater
StatesUtah

ASHLEY VALLEY WATER AND SEWER ID

PWS ID: UTAH24013 · TRIDELL, Utah 84076

Population Served
13,835
Total Violations
142
Health-Based Violations
3
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
5,078
County
Uintah
School/Daycare
No
MCL Violations
0
Monitoring Violations
96
Treatment Tech Violations
3

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 12 2020
Chlorine MR 3 2011
1,2,4-Trichlorobenzene MR 3 2008
cis-1,2-Dichloroethylene MR 3 2008
Xylenes, Total MR 3 2008
p-Dichlorobenzene MR 3 2008
trans-1,2-Dichloroethylene MR 3 2008
1,2-Dichloroethane MR 3 2008
1,1,1-Trichloroethane MR 3 2008
Carbon tetrachloride MR 3 2008
1,2-Dichloropropane MR 3 2008
Trichloroethylene MR 3 2008
Ethylbenzene MR 3 2008
Styrene MR 3 2008
Surface Water Treatment Rule TT 3 2018
Revised Total Coliform Rule RPT 3 2019
Nitrate MR 3 2014
DICHLOROMETHANE MR 3 2008
Consumer Confidence Rule Other 3 2019
Toluene MR 3 2008
1,1-Dichloroethylene MR 3 2008
Lead and Copper Rule MR 3 2011
Vinyl chloride MR 3 2008
Tetrachloroethylene MR 3 2008
Benzene MR 3 2008
CHLOROBENZENE MR 3 2008
o-Dichlorobenzene MR 3 2008
1,1,2-Trichloroethane MR 3 2008
Endrin MR 2 1989
BHC-GAMMA MR 2 1989

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFBA 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 7/16/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 7/16/2025 <0.008 µg/L 0.008 µg/L Not Detected
NMeFOSAA 7/16/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 7/16/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 7/16/2025 <9 µg/L 9 µg/L Not Detected
6:2 FTS 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 7/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 7/16/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 7/16/2025 <0.002 µg/L 0.002 µg/L Not Detected
PFHxA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 7/16/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 7/16/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 2/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 2/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 2/18/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 2/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 2/18/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 2/18/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFBS 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 2/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 2/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 2/18/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 2/18/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 2/18/2025 <0.002 µg/L 0.002 µg/L Not Detected
lithium 2/18/2025 <9 µg/L 9 µg/L Not Detected
9Cl-PF3ONS 2/18/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 2/18/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 2/18/2025 <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.