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ATKA

Alaska — Community Water System — PWSID: AK2260058

System Information

PWSIDAK2260058
System NameATKA
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeNative American
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 19, 2025

Location & Contact

StateAlaska
CityATKA
ZIP Code99547
AddressP.O. Box 47070
OrganizationPROKOPEUFF, LARISSA_CO-AC ONSITE
Phone907-839-2233

Population & Service

Population Served50
Service Connections50

Drinking Water Violations (1,391)

This water system has 1,391 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 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2025 Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2025 Revised Total Coliform 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
Jan 1, 2025 Mar 31, 2025 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Jan 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2025 Surface Water Treatment Rule
Jan 1, 2025 Mar 31, 2025 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 1,2-DIBROMO-3-CHLOROPROPANE MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Jan 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2025 Revised Total Coliform Rule
Jan 1, 2025 Mar 31, 2025 Toxaphene MR No Yes — 0.003 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 LASSO MR No Yes — — — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Chlordane MR No Yes — 0.002 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Simazine MR No Yes — 0.004 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Picloram MR No Yes — 0.5 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 ETHYLENE DIBROMIDE MR No Yes — 0.00005 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Atrazine MR No Yes — 0.003 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Dinoseb MR No Yes — 0.007 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 2,4-D MR No Yes — 0.07 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Diquat MR No Yes — 0.02 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Carbofuran MR No Yes — 0.04 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Glyphosate MR No Yes — 0.7 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Jan 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Jan 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Endothall MR No Yes — 0.1 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 OXAMYL MR No Yes — 0.2 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Endrin MR No Yes — 0.002 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Jan 1, 2025 Mar 31, 2025 Dalapon MR No Yes — 0.2 mg/L — Resolved Mar 31, 2025 Synthetic Organic Chemicals
Nov 1, 2024 Nov 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2024 Nov 30, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2024 Surface Water Treatment Rule
Nov 1, 2024 Nov 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2024 Revised Total Coliform Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Sep 19, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Jul 1, 2024 Jul 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2024 Surface Water Treatment Rule
May 1, 2024 May 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2024 Surface Water Treatment Rule
Dec 1, 2023 Dec 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2023 Surface Water Treatment Rule
Dec 1, 2023 Dec 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2023 Revised Total Coliform Rule
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Sep 19, 2023 Consumer Confidence Rule
May 1, 2023 May 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2023 Surface Water Treatment Rule
May 1, 2023 May 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2023 Revised Total Coliform 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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