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SOUTH TONGASS WATER UTILITY

Alaska — Community Water System — PWSID: AK2121510

System Information

PWSIDAK2121510
System NameSOUTH TONGASS WATER UTILITY
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedAug 16, 2011
Last ReportedDec 19, 2025

Location & Contact

StateAlaska
CityKETCHIKAN
ZIP Code99901
Address1900 First Ave., Suite 219
OrganizationBARRY, MORGAN
Phone907-228-6664

Population & Service

Population Served975
Service Connections327

Drinking Water Violations (47)

This water system has 47 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
Apr 1, 2025 Jun 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .079 MG/L 0.060 mg/L .06 Archived Jun 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .07 MG/L 0.060 mg/L .06 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2019 Jan 31, 2019 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2019 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2019 Jan 31, 2019 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2019 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2019 Jan 31, 2019 Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2019 Surface Water Treatment Rule
Jan 1, 2019 Jan 31, 2019 Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2019 Surface Water Treatment Rule
Oct 1, 2018 Oct 31, 2018 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2018 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2018 Jan 31, 2018 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2018 Surface Water Treatment Rule
Oct 1, 2017 Oct 31, 2017 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2017 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MCL Yes No .078 MG/L 0.060 mg/L .06 Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Feb 3, 2020 Consumer Confidence Rule
Jul 1, 2017 Jul 31, 2017 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2017 Surface Water Treatment Rule
Jun 30, 2016 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jul 22, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 31, 2016 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jul 22, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Total Haloacetic Acids (HAA5) MCL Yes No .077 MG/L 0.060 mg/L .06 Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Total Haloacetic Acids (HAA5) MCL Yes No .077 MG/L 0.060 mg/L .06 Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2015 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jul 22, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 29, 2015 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jul 22, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Jul 22, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2015 Mar 31, 2015 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2015 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2013 Dec 31, 2013 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 2013 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2013 Dec 31, 2013 Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 2013 Surface Water Treatment Rule
Aug 1, 2013 Aug 31, 2013 Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2013 Surface Water Treatment Rule
Feb 1, 2013 Feb 28, 2013 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 2013 Surface Water Treatment Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
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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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