PlainWater

HARBOR ON FISHERMAN BAY

PWS ID: WA5331024 · Lopez Island, Washington 98261-0683

Population Served
84
Total Violations
32
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
59
County
San Juan
School/Daycare
No
MCL Violations
8
Monitoring Violations
20
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 9 1993
Coliform (TCR) MCL 8 1992
Nitrate MR 2 2004
Consumer Confidence Rule Other 1 1999
Lead and Copper Rule MR 1 1999
Gross Alpha, Excl. Radon and U MR 1 1979
Fluoride MR 1 1979
Selenium MR 1 1979
Chromium MR 1 1979
Cadmium MR 1 1979
Barium MR 1 1979
Arsenic MR 1 1979
Mercury MR 1 1979
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.