PlainWater

SULTAN WATER DEPARTMENT

PWS ID: WA5384770 · Sultan, Washington 98294

Population Served
7,160
Total Violations
92
Health-Based Violations
36
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,920
County
Snohomish
School/Daycare
No
MCL Violations
4
Monitoring Violations
51
Treatment Tech Violations
32

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 32 2000
Surface Water Treatment Rule MR 16 1995
Coliform (TCR) MR 6 1998
Coliform (TCR) MCL 4 1992
Consumer Confidence Rule Other 3 2010
Styrene MR 1 2007
1,1-Dichloroethylene MR 1 2007
Selenium MR 1 1979
o-Dichlorobenzene MR 1 2007
Nitrate MR 1 1979
Cadmium MR 1 1979
Tetrachloroethylene MR 1 2007
Ethylbenzene MR 1 2007
Trichloroethylene MR 1 2007
p-Dichlorobenzene MR 1 2007
DICHLOROMETHANE MR 1 2007
Chromium MR 1 1979
Toluene MR 1 2007
1,1,1-Trichloroethane MR 1 2007
Mercury MR 1 1979
Fluoride MR 1 1979
Gross Alpha, Excl. Radon and U MR 1 1979
Carbon tetrachloride MR 1 2007
cis-1,2-Dichloroethylene MR 1 2007
1,1,2-Trichloroethane MR 1 2007
trans-1,2-Dichloroethylene MR 1 2007
Arsenic MR 1 1979
Vinyl chloride MR 1 2007
CHLOROBENZENE MR 1 2007
Barium MR 1 1979

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 180 samples detected PFAS.

Contaminant Date Result MRL Status
PFTrDA 9/23/2025 <0.007 µg/L 0.007 µg/L Not Detected
NEtFOSAA 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
NFDHA 9/23/2025 <0.02 µg/L 0.02 µg/L Not Detected
PFBA 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
6:2 FTS 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
4:2 FTS 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 9/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFPeA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 9/23/2025 <0.006 µg/L 0.006 µg/L Not Detected
PFEESA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFTA 9/23/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 9/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
ADONA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 9/23/2025 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFUnA 9/23/2025 <0.002 µg/L 0.002 µg/L Not Detected
HFPO-DA 9/23/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFMBA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 9/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 9/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 9/23/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpS 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
lithium 9/23/2025 <9 µg/L 9 µg/L Not Detected
PFDoA 9/23/2025 <0.003 µg/L 0.003 µg/L Not Detected
NMeFOSAA 6/24/2025 <0.006 µg/L 0.006 µg/L Not Detected
NEtFOSAA 6/24/2025 <0.005 µg/L 0.005 µg/L Not Detected
8:2 FTS 6/24/2025 <0.005 µg/L 0.005 µg/L Not Detected
PFTrDA 6/24/2025 <0.007 µg/L 0.007 µg/L Not Detected
PFTA 6/24/2025 <0.008 µg/L 0.008 µg/L Not Detected
PFPeS 6/24/2025 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/24/2025 <0.02 µg/L 0.02 µg/L Not Detected
lithium 6/24/2025 <9 µg/L 9 µg/L Not Detected
PFEESA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFMPA 6/24/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFHpS 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFHxS 6/24/2025 <0.003 µg/L 0.003 µg/L Not Detected
PFNA 6/24/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/24/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFOA 6/24/2025 <0.004 µg/L 0.004 µg/L Not Detected
PFDA 6/24/2025 <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.