PlainWater
States08

BELCOURT-TURTLE MTN RURAL WATER SYSTEM

PWS ID: 083890023 · BELCOURT, 08 58316

PFAS Detected

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

Population Served
13,500
Total Violations
86
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Native American
Connections
3,140
School/Daycare
No
MCL Violations
9
Monitoring Violations
77
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Asbestos MR 11 2024
Coliform (TCR) MCL 7 2012
Lead and Copper Rule MR 6 2023
Coliform (TCR) MR 6 2001
Revised Total Coliform Rule MON 4 2023
Total Haloacetic Acids (HAA5) MR 2 2010
TTHM MCL 2 2022
Di(2-ethylhexyl) phthalate MR 2 2023
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2023
ETHYLENE DIBROMIDE MR 2 2023
TTHM MR 2 2010
E. COLI MR 1 2012
Endrin MR 1 2023
BHC-GAMMA MR 1 2023
Toxaphene MR 1 2023
Dalapon MR 1 2023
Diquat MR 1 2023
Endothall MR 1 2023
Dinoseb MR 1 2023
Atrazine MR 1 2023
LASSO MR 1 2023
Heptachlor epoxide MR 1 2023
2,4-D MR 1 2023
Benzo(a)pyrene MR 1 2023
Pentachlorophenol MR 1 2023
Total Polychlorinated Biphenyls (PCB) MR 1 2023
Chlordane MR 1 2023
Barium MR 1 1983
Cadmium MR 1 1983
Nitrate MR 1 1983

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant Date Result MRL Status
PFHxA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 4/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 4/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 4/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHxS 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 4/9/2024 89.4000 µg/L 9 µg/L Detected
PFTA 4/9/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFUnA 4/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
NEtFOSAA 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 4/9/2024 <0.007 µg/L 0.007 µg/L Not Detected
4:2 FTS 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 4/9/2024 <0.006 µg/L 0.006 µg/L Not Detected
NFDHA 4/9/2024 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 4/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 4/9/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFBA 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 4/9/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 4/9/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFPeA 4/9/2024 <0.003 µg/L 0.003 µg/L Not Detected
lithium 10/14/2024 72.6000 µg/L 9 µg/L Detected
PFBA 10/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 10/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFHpA 10/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 10/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 10/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 10/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 10/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 10/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 10/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 10/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 10/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 10/14/2024 <0.002 µg/L 0.002 µg/L Not Detected
ADONA 10/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
4:2 FTS 10/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 10/14/2024 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 10/14/2024 <0.006 µg/L 0.006 µg/L Not Detected
8:2 FTS 10/14/2024 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 10/14/2024 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 10/14/2024 <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.