PlainWater

NAVAJO RIVER RANCH POA

PWS ID: CO0104533 · PAGOSA SPRINGS, Colorado 81147

PFAS Detected

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

Population Served
40
Total Violations
237
Health-Based Violations
52
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
57
County
Archuleta
School/Daycare
No
MCL Violations
28
Monitoring Violations
181
Treatment Tech Violations
24

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 24 2010
Interim Enhanced Surface Water Treatment Rule TT 20 2024
Surface Water Treatment Rule MR 16 2020
Interim Enhanced Surface Water Treatment Rule MR 12 2020
Total Haloacetic Acids (HAA5) MR 7 2006
Lead and Copper Rule MR 7 2016
cis-1,2-Dichloroethylene MR 6 2020
Xylenes, Total MR 6 2020
p-Dichlorobenzene MR 6 2020
Vinyl chloride MR 6 2020
1,2-Dichloroethane MR 6 2020
Carbon tetrachloride MR 6 2020
1,2-Dichloropropane MR 6 2020
CHLOROBENZENE MR 6 2020
Benzene MR 6 2020
Toluene MR 6 2020
Styrene MR 6 2020
1,1-Dichloroethylene MR 6 2020
1,1,1-Trichloroethane MR 6 2020
Trichloroethylene MR 6 2020
1,1,2-Trichloroethane MR 6 2020
Ethylbenzene MR 6 2020
o-Dichlorobenzene MR 6 2020
trans-1,2-Dichloroethylene MR 6 2020
1,2,4-Trichlorobenzene MR 6 2020
DICHLOROMETHANE MR 6 2020
Tetrachloroethylene MR 6 2020
Coliform (TCR) MR 4 2007
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 4 2016
Coliform (TCR) MCL 4 2007

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 3 of 90 samples detected PFAS.

Contaminant Date Result MRL Status
PFOA 9/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
HFPO-DA 9/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 9/9/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 9/9/2025 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 9/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 9/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMPA 9/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFMBA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 9/9/2025 <0.02 µg/L 0.02 µg/L Not Detected
NMeFOSAA 9/9/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFHpS 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFNA 9/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
NEtFOSAA 9/9/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFOS 9/9/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 9/9/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 9/9/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFBS 9/9/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/9/2025 18.0000 µg/L 9 µg/L Detected
PFHpS 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 6/3/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 6/3/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 6/3/2025 <0.005 µg/L 0.005 µg/L Not Detected
lithium 6/3/2025 21.0000 µg/L 9 µg/L Detected
NMeFOSAA 6/3/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFMBA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 6/3/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 6/3/2025 <0.004 µg/L 0.004 µg/L Not Detected
8:2 FTS 6/3/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFEESA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/3/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFBS 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/3/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/3/2025 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/3/2025 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/3/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 6/3/2025 <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.