PlainWater
States → 10

LUMMI TRIBAL WATER DISTRICT

PWS ID: 105300002 · BELLINGHAM, 10 98226

Population Served
3,699
Total Violations
271
Health-Based Violations
9
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Native American
Connections
1,124
School/Daycare
No
MCL Violations
8
Monitoring Violations
244
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 31 2015
Nitrate MR 30 2023
Chlorine MR 17 2024
Combined Radium (-226 and -228) MR 16 2017
Gross Alpha, Excl. Radon and U MR 16 2017
Combined Uranium MR 15 2017
Revised Total Coliform Rule MON 14 2021
Arsenic MR 13 2023
Consumer Confidence Rule Other 11 2025
TTHM MR 9 2023
Total Haloacetic Acids (HAA5) MR 9 2023
Arsenic MCL 7 2013
Lead and Copper Rule MR 4 2021
Benzene MR 4 2017
Asbestos MR 3 2008
cis-1,2-Dichloroethylene MR 3 2017
o-Dichlorobenzene MR 3 2017
Vinyl chloride MR 3 2017
1,1-Dichloroethylene MR 3 2017
1,2-Dichloroethane MR 3 2017
1,1,1-Trichloroethane MR 3 2017
1,2-Dichloropropane MR 3 2017
Trichloroethylene MR 3 2017
Tetrachloroethylene MR 3 2017
CHLOROBENZENE MR 3 2017
1,2,4-Trichlorobenzene MR 3 2017
Xylenes, Total MR 3 2017
DICHLOROMETHANE MR 3 2017
p-Dichlorobenzene MR 3 2017
trans-1,2-Dichloroethylene MR 3 2017

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 400 samples detected PFAS.

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