PlainWater

HAVEN BY THE SEA

PWS ID: WA5331820 · Montesano, Washington 98563

Population Served
145
Total Violations
27
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
59
County
Grays Harbor
School/Daycare
No
MCL Violations
3
Monitoring Violations
18
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Diquat MR 5 2005
Consumer Confidence Rule Other 5 2025
Coliform (TCR) MR 3 1997
Coliform (TCR) MCL 3 1992
Gross Alpha, Excl. Radon and U MR 1 1979
Selenium MR 1 1979
Cadmium MR 1 1979
Mercury MR 1 1979
Chromium MR 1 1979
Barium MR 1 1979
Lead and Copper Rule MR 1 2019
Fluoride MR 1 1979
Arsenic MR 1 1979
Nitrate MR 1 1979
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.