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MCGRATH WATER SYSTEM

Alaska — Community Water System — PWSID: AK2280155

System Information

PWSIDAK2280155
System NameMCGRATH WATER SYSTEM
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeNative American
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedApr 21, 1983
Last ReportedDec 19, 2025

Location & Contact

StateAlaska
CityMCGRATH
ZIP Code99627
AddressPO Box 30
OrganizationGREENAMYRE, MICHELE
Phone907-524-3825

Population & Service

Population Served341
Service Connections150

Drinking Water Violations (542)

This water system has 542 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, 2025 Sep 30, 2025 Total Haloacetic Acids (HAA5) MCL Yes No .064 MG/L 0.060 mg/L .06 Archived Sep 30, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 Jul 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2025 Surface Water Treatment Rule
Dec 28, 2024 — Public Notice Other No No — — — Resolved Mar 5, 2025 Public Notice Rule and Revised PN Rule
Dec 1, 2024 Dec 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2024 Dec 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2024 Surface Water Treatment Rule
Jul 1, 2024 Sep 30, 2024 CARBON, TOTAL TT Yes No .03 RATIO TT — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 CARBON, TOTAL TT Yes No .03 RATIO TT — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 CARBON, TOTAL TT Yes No .03 RATIO TT — Resolved Sep 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 CARBON, TOTAL TT Yes No .91 RATIO TT — Resolved Jun 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Apr 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 CARBON, TOTAL TT Yes No .96 RATIO TT — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 CARBON, TOTAL MR No Yes — TT — Resolved Aug 23, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2023 Jun 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2023 Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 14, 2023 — TTHM MR No No — 0.080 mg/L — Resolved Feb 15, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 14, 2023 — Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Feb 15, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 26, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Jul 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2022 Surface Water Treatment Rule
Jul 1, 2022 Jul 31, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2022 Revised Total Coliform Rule
Jun 1, 2022 Jun 30, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2022 Surface Water Treatment Rule
May 1, 2022 May 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2022 Surface Water Treatment Rule
Apr 1, 2022 Jun 30, 2022 CARBON, TOTAL MR No Yes — TT — Resolved Jun 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2022 Feb 28, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2022 Surface Water Treatment Rule
Jan 1, 2022 Jan 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2022 Mar 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 21, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2021 Dec 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2021 Revised Total Coliform Rule
Nov 1, 2021 Nov 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2021 Surface Water Treatment Rule
Nov 1, 2021 Nov 30, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2021 Oct 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2021 Revised Total Coliform Rule
Oct 1, 2021 Oct 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2021 Surface Water Treatment Rule
Oct 1, 2021 Oct 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2021 Dec 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2021 Aug 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2021 Aug 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2021 Revised Total Coliform Rule
Aug 1, 2021 Aug 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2021 Surface Water Treatment Rule
Jul 1, 2021 Sep 30, 2021 CARBON, TOTAL TT Yes No .63 RATIO TT — Resolved Sep 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 CARBON, TOTAL MR No Yes — TT — Resolved Sep 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 Sep 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 29, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 CARBON, TOTAL MR No Yes — TT — Resolved Jun 14, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 CARBON, TOTAL TT Yes No .57 RATIO TT — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 CARBON, TOTAL TT Yes No .59 RATIO TT — Resolved Mar 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 Total Haloacetic Acids (HAA5) MCL Yes No .061 MG/L 0.060 mg/L .06 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 Total Haloacetic Acids (HAA5) MCL Yes No .061 MG/L 0.060 mg/L .06 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 Total Haloacetic Acids (HAA5) MCL Yes No .061 MG/L 0.060 mg/L .06 Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts 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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