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NAPAKIAK WASHETERIA

Alaska — Community Water System — PWSID: AK2262301

System Information

PWSIDAK2262301
System NameNAPAKIAK WASHETERIA
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeNative American
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMay 8, 1991
Last ReportedDec 19, 2025

Location & Contact

StateAlaska
CityNAPAKIAK
ZIP Code99634
Addresspo box 34009
OrganizationBLACK, JUNE
Phone907-589-2611

Population & Service

Population Served336
Service Connections1

Drinking Water Violations (108)

This water system has 108 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 Combined Uranium MR No Yes — 30 ug/L — Archived Sep 30, 2025 Radionuclides and Revised Rad Rule
Jul 1, 2025 Sep 30, 2025 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Archived Sep 30, 2025 Radionuclides and Revised Rad 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 — Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Jun 11, 2025 Lead and Copper Rule
Oct 1, 2024 Dec 31, 2024 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Archived Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Archived Dec 31, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 Xylenes, Total MR No Yes — 10 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Jul 1, 2024 Sep 30, 2024 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Apr 1, 2024 Apr 30, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2024 Revised Total Coliform Rule
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2024 Revised Total Coliform Rule
Jan 1, 2024 Jan 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2024 Revised Total Coliform Rule
Oct 1, 2023 — Groundwater Rule TT Yes No — — — Resolved Oct 26, 2023 Ground Water Rule
Jan 1, 2022 Dec 31, 2022 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2022 Nitrate Rule
Nov 1, 2021 Nov 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2021 Revised Total Coliform Rule
Sep 1, 2021 Sep 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2021 Revised Total Coliform Rule
Jul 1, 2021 Jul 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2021 Revised Total Coliform Rule
Jun 4, 2021 — Revised Total Coliform Rule Other No No — — — Resolved Sep 9, 2021 Revised Total Coliform Rule
Jun 1, 2021 Jun 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2021 Revised Total Coliform Rule
Apr 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jan 1, 2017 Dec 31, 2017 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2017 Nitrate Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Oct 31, 2017 Revised Total Coliform Rule
Jan 1, 2016 Dec 31, 2016 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2016 Nitrate Rule
Apr 1, 2015 Jun 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Jan 1, 2014 Dec 31, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Jan 1, 2013 Dec 31, 2013 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2013 Nitrate Rule
Jan 1, 2012 Dec 31, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2012 Nitrate Rule
Jan 1, 2010 Dec 31, 2010 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2010 Nitrate 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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