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WALES WATER SYSTEM

Alaska — Community Water System — PWSID: AK2340191

System Information

PWSIDAK2340191
System NameWALES 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
CityWALES
ZIP Code99783
AddressP.O. BOX 489
OrganizationNINGEALOOK, MARIE
Phone907-664-3501

Population & Service

Population Served173
Service Connections6

Drinking Water Violations (1,748)

This water system has 1,748 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
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2025 Revised Total Coliform Rule
May 1, 2025 May 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2025 Revised Total Coliform Rule
Apr 1, 2025 Jun 30, 2025 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2025 Radionuclides and Revised Rad Rule
Nov 29, 2024 — Public Notice Other No No — — — Resolved Dec 10, 2024 Public Notice Rule and Revised PN Rule
Oct 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 20, 2024 — Public Notice Other No No — — — Resolved Dec 10, 2024 Public Notice Rule and Revised PN Rule
Jul 1, 2024 Sep 30, 2024 Combined Uranium MR No Yes — 30 ug/L — Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
Apr 1, 2024 — Public Notice Other No No — — — Resolved Dec 10, 2024 Public Notice Rule and Revised PN Rule
Apr 1, 2024 Jun 30, 2024 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Dec 31, 2024 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Dec 31, 2024 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jan 1, 2024 Dec 31, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Dec 31, 2024 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Jan 1, 2024 Dec 31, 2024 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2024 Volatile Organic Chemicals
Oct 1, 2023 — Groundwater Rule TT Yes No — — — Resolved Jan 22, 2024 Ground Water Rule
Oct 1, 2023 Dec 31, 2023 Combined Uranium MCL Yes No 40 UG/L 30 ug/L 30 Archived Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Uranium MCL Yes No 40 UG/L 30 ug/L 30 Archived Dec 31, 2023 Radionuclides and Revised Rad Rule
Sep 1, 2023 — Groundwater Rule TT Yes No — — — Resolved Jan 22, 2024 Ground Water Rule
Jul 1, 2023 Sep 30, 2023 Combined Uranium MR No Yes — 30 ug/L — Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Apr 1, 2023 Jun 30, 2023 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Jan 1, 2023 Mar 31, 2023 Combined Uranium MR No Yes — 30 ug/L — Resolved Mar 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2022 Dec 31, 2022 Combined Uranium MR No Yes — 30 ug/L — Resolved Dec 31, 2022 Radionuclides and Revised Rad Rule
Oct 1, 2022 Dec 31, 2022 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Oct 1, 2022 Dec 31, 2022 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2022 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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