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WASILLA WATER SYSTEM

Alaska — Community Water System — PWSID: AK2224646

System Information

PWSIDAK2224646
System NameWASILLA WATER SYSTEM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedDec 18, 1987
Last ReportedDec 19, 2025

Location & Contact

StateAlaska
CityWASILLA
ZIP Code99654
Address290 E HERNING AVENUE
OrganizationBECKER, JOHN
Phone907-373-9044

Population & Service

Population Served18,492
Service Connections1,833

Drinking Water Violations (222)

This water system has 222 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
May 1, 2025 May 31, 2025 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2025 Revised Total Coliform Rule
Jun 1, 2021 Jun 30, 2021 Arsenic MR No Yes — 0.010 mg/L — Resolved Jun 30, 2021 Arsenic Rule
Jul 1, 2020 Sep 30, 2020 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 Xylenes, Total MR No Yes — 10 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jul 1, 2020 Sep 30, 2020 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2020 Volatile Organic Chemicals
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
May 1, 2020 May 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2020 Revised Total Coliform Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No No — 4.0 mg/L — Resolved Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 31, 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
Mar 31, 2020 Sep 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Mar 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 18, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals
Jan 1, 2020 Dec 31, 2022 CYANIDE MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals
Jan 1, 2020 Sep 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Sep 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2022 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2022 Inorganic Chemicals
Jul 1, 2019 Sep 30, 2019 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 Combined Uranium MR No Yes — 30 ug/L — Resolved Sep 30, 2019 Radionuclides and Revised Rad Rule
Jul 1, 2019 Sep 30, 2019 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2019 Volatile Organic Chemicals
Jul 1, 2019 Sep 30, 2019 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2019 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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