PlainWater

COLTON WATER DEPARTMENT

PWS ID: WA5314100 · Colton, Washington 99113

Population Served
632
Total Violations
47
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
203
County
Whitman
School/Daycare
No
MCL Violations
1
Monitoring Violations
43
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
CYANIDE MR 3 2002
Antimony, Total MR 3 2002
Thallium, Total MR 3 2002
Consumer Confidence Rule Other 3 2016
Nickel MR 3 2002
Beryllium, Total MR 3 2002
TTHM MR 2 2018
Coliform (TCR) MR 2 1993
Pentachlorophenol MR 2 2008
Picloram MR 1 2008
Dinoseb MR 1 2008
2,4,5-TP MR 1 2008
Endrin MR 1 2008
Toxaphene MR 1 2008
Di(2-ethylhexyl) adipate MR 1 2008
Simazine MR 1 2008
Di(2-ethylhexyl) phthalate MR 1 2008
Atrazine MR 1 2008
LASSO MR 1 2008
Heptachlor MR 1 2008
Benzo(a)pyrene MR 1 2008
Chlordane MR 1 2008
Lead and Copper Rule MR 1 2000
Gross Alpha, Excl. Radon and U MR 1 1979
Total Haloacetic Acids (HAA5) MR 1 2018
BHC-GAMMA MR 1 2008
Hexachlorocyclopentadiene MR 1 2008
Methoxychlor MR 1 2008
Heptachlor epoxide MR 1 2008
Coliform (TCR) MCL 1 1993
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.