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Edwin Markham

Washington — Non-Transient Non-Community — PWSID: WA53AD282

System Information

PWSIDWA53AD282
System NameEdwin Markham
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolYes
WholesalerNo
First ReportedSep 23, 2015
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityPasco
ZIP Code99301
Address3412 N Stearman Ave
OrganizationEdwin Markham
Phone—

Population & Service

Population Served216
Service Connections4

Drinking Water Violations (63)

This water system has 63 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, 2022 Sep 30, 2022 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2022 Sep 30, 2022 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2022 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Jul 1, 2021 Sep 30, 2021 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 2021 Volatile Organic Chemicals
Feb 1, 2019 Feb 28, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2019 Revised Total Coliform Rule
Jan 1, 2019 Jan 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2019 Revised Total Coliform Rule
Jan 1, 2017 Mar 31, 2017 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2017 Volatile Organic Chemicals
Jan 1, 2017 Mar 31, 2017 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Mar 31, 2017 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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