PlainWater
States → Colorado

CANON CITY CITY OF

PWS ID: CO0122100 · CANON CITY, Colorado 81212

PFAS Detected

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

Population Served
34,800
Total Violations
47
Health-Based Violations
3
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
8,200
County
Fremont
School/Daycare
No
MCL Violations
3
Monitoring Violations
41
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Chlorine dioxide MR 8 2023
Chlorite MR 7 2003
Coliform (TCR) MCL 3 2003
Surface Water Treatment Rule MR 3 2018
Revised Total Coliform Rule MON 3 2018
Chlorine MR 3 2003
E. COLI MR 3 2017
Total Haloacetic Acids (HAA5) MR 3 2013
TTHM MR 3 2013
p-Dichlorobenzene MR 1 1988
1,2-Dichloroethane MR 1 1988
1,1-Dichloroethylene MR 1 1988
1,1,1-Trichloroethane MR 1 1988
CARBON, TOTAL MR 1 2002
Trichloroethylene MR 1 1988
Carbon tetrachloride MR 1 1988
Benzene MR 1 1988

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
PFMPA 8/15/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 8/15/2023 <0.002 µg/L 0.002 µg/L Not Detected
9Cl-PF3ONS 8/15/2023 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDoA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
11Cl-PF3OUdS 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFEESA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
NFDHA 8/15/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFPeS 8/15/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
NEtFOSAA 8/15/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 8/15/2023 <9 µg/L 9 µg/L Not Detected
ADONA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 8/15/2023 <0.007 µg/L 0.007 µg/L Not Detected
PFDA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 8/15/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFBS 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 8/15/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 8/15/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 8/15/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFHpA 8/15/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 8/15/2023 <0.008 µg/L 0.008 µg/L Not Detected
HFPO-DA 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHxA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
ADONA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 5/7/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 5/7/2024 <0.002 µg/L 0.002 µg/L Not Detected
PFDoA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 5/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 5/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 5/7/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 5/7/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 5/7/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFBA 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
lithium 5/7/2024 <9 µg/L 9 µg/L Not Detected
NEtFOSAA 5/7/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 5/7/2024 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 5/7/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFBS 5/7/2024 <0.003 µg/L 0.003 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.