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SUN MOUNTAIN RESORT

Washington — Non-Transient Non-Community — PWSID: WA5385135

System Information

PWSIDWA5385135
System NameSUN MOUNTAIN RESORT
System TypeNon-Transient Non-Community
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityTwisp
ZIP Code98856
Address321 Lombard Ave
OrganizationSUN MOUNTAIN RESORT
Phone—

Population & Service

Population Served376
Service Connections121

Drinking Water Violations (386)

This water system has 386 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
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Dec 31, 2016 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jul 1, 2008 Sep 30, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals
Jul 1, 2008 Sep 30, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2008 Volatile Organic Chemicals

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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