COSMOPOLIS WATER DEPARTMENT

Washington — Community Water System — PWSID: WA5315050

System Information

PWSIDWA5315050
System NameCOSMOPOLIS WATER DEPARTMENT
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerYes
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityRaymond
ZIP Code98577
Address1411 Fowler Rd
OrganizationCOSMOPOLIS WATER DEPARTMENT
Phone

Population & Service

Population Served1,812
Service Connections783

Drinking Water Violations (60)

This water system has 60 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
Jul 1, 2023 Consumer Confidence Rule Other No No Resolved Jun 28, 2024 Consumer Confidence Rule
Oct 1, 2019 Dec 31, 2019 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2019 Dec 31, 2019 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Dec 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 TTHM MR No Yes 0.080 mg/L Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Consumer Confidence Rule Other No No Resolved Sep 23, 2019 Consumer Confidence Rule
Jul 1, 2019 Sep 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Sep 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Jun 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Mar 31, 2019 TTHM MR No Yes 0.080 mg/L Resolved Mar 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Consumer Confidence Rule Other No No Resolved Oct 16, 2018 Consumer Confidence Rule
Jul 1, 2018 Sep 30, 2018 TTHM MR No Yes 0.080 mg/L Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 TTHM MR No Yes 0.080 mg/L Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 TTHM MR No Yes 0.080 mg/L Resolved Sep 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Sep 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2017 Jun 30, 2017 TTHM MR No Yes 0.080 mg/L Resolved Jun 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2017 Jun 30, 2017 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Jun 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Lead and Copper Rule MR No No TT Resolved Mar 12, 2020 Lead and Copper Rule
Jan 1, 2017 Mar 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Mar 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Mar 31, 2017 TTHM MR No Yes 0.080 mg/L Resolved Mar 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 TTHM MR No Yes 0.080 mg/L Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 Sep 30, 2016 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Sep 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
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
Jan 1, 2016 Mar 31, 2016 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 TTHM MR No Yes 0.080 mg/L Resolved Mar 31, 2016 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
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
Jul 1, 2015 Sep 30, 2015 TTHM MR No Yes 0.080 mg/L Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 Consumer Confidence Rule Other No No Resolved Aug 19, 2015 Consumer Confidence Rule
Jul 1, 2015 Sep 30, 2015 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Sep 30, 2015 Stage 2 Disinfectants and Disinfection Byproducts 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, 2013 Lead and Copper Rule MR No No TT Resolved Oct 13, 2016 Lead and Copper Rule
Jul 1, 2012 Consumer Confidence Rule Other No No Resolved Aug 20, 2012 Consumer Confidence Rule
Jul 1, 2011 Consumer Confidence Rule Other No No Resolved Dec 6, 2011 Consumer Confidence Rule
Jan 1, 2011 Dec 31, 2019 Asbestos MR No Yes 7 MFL Archived Dec 31, 2019 Inorganic Chemicals
Jul 1, 2010 Consumer Confidence Rule Other No No Resolved Nov 8, 2010 Consumer Confidence Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper Rule
Jan 1, 2006 Lead and Copper Rule MR No No TT Resolved Dec 31, 2006 Lead and Copper 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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