PlainWater

MISSION RIDGE SKI AREA WATER SYSTEM

PWS ID: WA5355335 · Wenatchee, Washington 98807

Population Served
1,009
Total Violations
15
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
5
County
Chelan
School/Daycare
No
MCL Violations
4
Monitoring Violations
7
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 4 1998
Revised Total Coliform Rule MON 3 2023
Coliform (TCR) MCL 3 1999
Surface Water Treatment Rule TT 2 1998
Revised Total Coliform Rule MCL 1 2017
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.