PlainWater

EAGLE RIVER WSD

PWS ID: CO0119802 · VAIL, Colorado 81567

PFAS Detected

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

Population Served
51,515
Total Violations
66
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
10,120
County
Eagle
School/Daycare
No
MCL Violations
0
Monitoring Violations
66
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
DICHLOROMETHANE MR 3 2008
o-Dichlorobenzene MR 3 2008
Vinyl chloride MR 3 2008
1,1-Dichloroethylene MR 3 2008
trans-1,2-Dichloroethylene MR 3 2008
Carbon tetrachloride MR 3 2008
Trichloroethylene MR 3 2008
Tetrachloroethylene MR 3 2008
Benzene MR 3 2008
Toluene MR 3 2008
Ethylbenzene MR 3 2008
1,2,4-Trichlorobenzene MR 3 2008
cis-1,2-Dichloroethylene MR 3 2008
1,1,1-Trichloroethane MR 3 2008
Xylenes, Total MR 3 2008
1,2-Dichloroethane MR 3 2008
Styrene MR 3 2008
1,2-Dichloropropane MR 3 2008
p-Dichlorobenzene MR 3 2008
Nitrate MR 3 1994
CHLOROBENZENE MR 3 2008
1,1,2-Trichloroethane MR 3 2008

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 6 of 840 samples detected PFAS.

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