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CHELAN WATER DEPT CITY OF

Washington — Community Water System — PWSID: WA5312300

System Information

PWSIDWA5312300
System NameCHELAN WATER DEPT CITY OF
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerYes
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityChelan
ZIP Code98816
Address50 Chelan Falls Rd
OrganizationCHELAN WATER DEPT CITY OF
Phone—

Population & Service

Population Served9,425
Service Connections2,738

Drinking Water Violations (102)

This water system has 102 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
Oct 1, 2023 Dec 31, 2023 Picloram MR No Yes — 0.5 mg/L — Archived Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Pentachlorophenol MR No Yes — 0.001 mg/L — Archived Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Dinoseb MR No Yes — 0.007 mg/L — Archived Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Dalapon MR No Yes — 0.2 mg/L — Archived Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 2,4,5-TP MR No Yes — 0.05 mg/L — Archived Dec 31, 2023 Synthetic Organic Chemicals
Jan 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
Jan 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 Dinoseb MR No Yes — 0.007 mg/L — Resolved Mar 31, 2020 Synthetic Organic Chemicals
Jan 1, 2020 Mar 31, 2020 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2020 Synthetic Organic Chemicals
Jan 1, 2020 Mar 31, 2020 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2020 Synthetic Organic Chemicals
Jan 1, 2020 Mar 31, 2020 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Mar 31, 2020 Synthetic Organic Chemicals
Jan 1, 2020 Mar 31, 2020 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Mar 31, 2020 Synthetic Organic Chemicals
Oct 1, 2019 Dec 31, 2019 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Oct 1, 2019 Dec 31, 2019 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Oct 1, 2019 Dec 31, 2019 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Oct 1, 2019 Dec 31, 2019 Picloram MR No Yes — 0.5 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Oct 1, 2019 Dec 31, 2019 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Dinoseb MR No Yes — 0.007 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Jan 1, 2019 Mar 31, 2019 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2019 Synthetic Organic Chemicals
Oct 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Dec 31, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Oct 27, 2016 Consumer Confidence Rule
Apr 1, 2016 Jun 30, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Dec 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Dec 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Sep 18, 2015 Consumer Confidence Rule
Apr 1, 2015 Jun 30, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Mar 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Nov 3, 2014 Consumer Confidence Rule
Apr 1, 2014 Jun 30, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2014 Jun 30, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Dec 31, 2014 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 Inorganic Chemicals
Jan 1, 2014 Dec 31, 2014 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2014 Inorganic Chemicals
Jan 1, 2014 Dec 31, 2014 Cadmium MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Inorganic Chemicals
Jan 1, 2014 Dec 31, 2014 Nickel MR No Yes — — — Resolved Dec 31, 2014 Inorganic Chemicals
Jan 1, 2014 Dec 31, 2014 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2014 Arsenic Rule
Jan 1, 2014 Dec 31, 2014 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Dec 31, 2014 Inorganic Chemicals
Jan 1, 2014 Dec 31, 2014 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Dec 31, 2014 Inorganic 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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