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CHEVAK WATER SYSTEM

Alaska — Community Water System — PWSID: AK2270320

System Information

PWSIDAK2270320
System NameCHEVAK WATER SYSTEM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeNative American
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 19, 2025

Location & Contact

StateAlaska
CityCHEVAK
ZIP Code99563
AddressPO Box 136
OrganizationATCHAK, NATHANIEL
Phone907-858-7128

Population & Service

Population Served938
Service Connections188

Drinking Water Violations (518)

This water system has 518 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 Jul 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Jul 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Mar 17, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Mar 17, 2025 Lead and Copper Rule Revisions
May 29, 2024 — Groundwater Rule TT Yes No — — — Resolved May 29, 2024 Ground Water Rule
Feb 29, 2024 — Groundwater Rule Other No No — — — Resolved May 13, 2024 Ground Water Rule
Jan 1, 2023 Jan 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2023 Revised Total Coliform Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Feb 23, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Apr 25, 2024 Lead and Copper Rule
Jan 1, 2022 Dec 31, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2022 Nitrate Rule
Oct 1, 2021 Sep 30, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Sep 30, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Jul 8, 2022 Consumer Confidence Rule
Jul 1, 2021 Sep 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 18, 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
Feb 1, 2021 Feb 28, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2021 Revised Total Coliform Rule
Jan 1, 2021 Mar 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Sep 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Sep 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Jul 14, 2020 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Jul 8, 2020 Consumer Confidence Rule
Feb 1, 2019 Feb 28, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2019 Revised Total Coliform Rule
Jan 1, 2019 Mar 31, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 6, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Aug 15, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Jul 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2018 Revised Total Coliform Rule
Oct 1, 2016 Dec 31, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Endothall MR No Yes — 0.1 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Carbofuran MR No Yes — 0.04 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 LASSO MR No Yes — — — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Dinoseb MR No Yes — 0.007 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Endrin MR No Yes — 0.002 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Diquat MR No Yes — 0.02 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 2,4-D MR No Yes — 0.07 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2016 Synthetic Organic Chemicals
Jan 1, 2016 Mar 31, 2016 Glyphosate MR No Yes — 0.7 mg/L — Resolved Mar 31, 2016 Synthetic 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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