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MISSION RIDGE SKI AREA WATER SYSTEM

Washington — Transient Non-Community — PWSID: WA5355335

System Information

PWSIDWA5355335
System NameMISSION RIDGE SKI AREA WATER SYSTEM
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityWenatchee
ZIP Code98807
AddressPO Box 1668
OrganizationMISSION RIDGE SKI AREA WATER SYSTEM
Phone—

Population & Service

Population Served1,009
Service Connections5

Drinking Water Violations (12)

This water system has 12 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Nov 1, 2023 Nov 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Jan 1, 2022 Jan 31, 2022 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2022 Revised Total Coliform Rule
Jan 1, 2018 Jan 31, 2018 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2018 Revised Total Coliform Rule
Oct 1, 2017 Oct 31, 2017 Revised Total Coliform Rule MCL Yes No — — — Resolved Oct 31, 2017 Revised Total Coliform Rule
Nov 1, 1999 Nov 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Nov 30, 1999 Total Coliform Rule
Nov 1, 1999 Nov 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Nov 30, 1999 Total Coliform Rule
Nov 1, 1999 Nov 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Nov 30, 1999 Total Coliform Rule
Dec 1, 1998 Dec 31, 1998 Coliform (TCR) MR No Yes — 5% of samples — Archived Dec 31, 1998 Total Coliform Rule
Apr 1, 1998 Apr 30, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Apr 30, 1998 Surface Water Treatment Rule
Apr 1, 1996 Apr 30, 1996 Coliform (TCR) MR No Yes — 5% of samples — Archived Apr 30, 1996 Total Coliform Rule
Apr 1, 1996 Apr 30, 1996 Coliform (TCR) MR No Yes — 5% of samples — Archived Apr 30, 1996 Total Coliform Rule
Apr 1, 1992 Apr 30, 1992 Coliform (TCR) MR No No — 5% of samples — Archived Apr 30, 1992 Total Coliform Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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