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UNIFIED ALASKAN UTILITIES SHERWOOD ESTAT

Alaska — Community Water System — PWSID: AK2224078

System Information

PWSIDAK2224078
System NameUNIFIED ALASKAN UTILITIES SHERWOOD ESTAT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedSep 26, 1985
Last ReportedDec 19, 2025

Location & Contact

StateAlaska
CityANCHORAGE
ZIP Code99523-3368
AddressP.O. BOX 233368
OrganizationNORTHERN UTILITY SERVICES LLC
Phone907-222-4084

Population & Service

Population Served147
Service Connections59

Drinking Water Violations (456)

This water system has 456 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
Sep 1, 2025 Sep 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Archived Sep 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 6, 2019 — Groundwater Rule TT Yes No — — — Resolved Sep 6, 2019 Ground Water Rule
Jan 21, 2019 — Groundwater Rule TT Yes No — — — Resolved Sep 6, 2019 Ground Water Rule
Jan 21, 2019 — Groundwater Rule TT Yes No — — — Resolved Sep 6, 2019 Ground Water Rule
Oct 1, 2018 Dec 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 — Groundwater Rule TT Yes No — — — Resolved May 26, 2017 Ground Water Rule
Oct 1, 2016 — Groundwater Rule TT Yes No — — — Resolved May 26, 2017 Ground Water 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 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Jul 17, 2017 Consumer Confidence Rule
Jan 1, 2014 — Lead and Copper Rule MR No No — TT — Resolved Oct 21, 2015 Lead and Copper Rule
Oct 2, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No No — — — Resolved Oct 21, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 16, 2013 — Groundwater Rule TT Yes No — — — Resolved Dec 15, 2014 Ground Water Rule
Apr 14, 2013 — Groundwater Rule TT Yes No — — — Resolved Dec 15, 2014 Ground Water Rule
Jan 1, 2012 — Lead and Copper Rule MR No No — TT — Resolved Oct 21, 2015 Lead and Copper Rule
Jan 1, 2012 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jan 1, 2012 — Lead and Copper Rule MR No No — TT — Resolved Oct 21, 2015 Lead and Copper Rule
Jul 1, 2011 — Lead and Copper Rule MR No No — TT — Resolved Nov 21, 2012 Lead and Copper Rule
Jan 1, 2011 Mar 31, 2011 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 Styrene MR No Yes — 0.1 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 Benzene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 Benzene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 Xylenes, Total MR No Yes — 10 mg/L — Resolved Mar 31, 2011 Volatile Organic Chemicals
Jan 1, 2011 Mar 31, 2011 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Mar 31, 2011 Volatile 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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