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WINSTON-DILLARD WATER DISTRICT

Oregon — Community Water System — PWSID: OR4100957

System Information

PWSIDOR4100957
System NameWINSTON-DILLARD WATER DISTRICT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityWINSTON
ZIP Code97496
Address121 NW DOUGLAS BLVD
OrganizationWINSTON-DILLARD WATER DISTRICT
Phone541-679-8467

Population & Service

Population Served8,300
Service Connections2,500

Drinking Water Violations (41)

This water system has 41 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, 2019 May 31, 2019 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2019 Revised Total Coliform Rule
Nov 28, 2014 — Public Notice Other No No — — — Resolved Dec 3, 2014 Public Notice Rule and Revised PN Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 TTHM MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Sep 30, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2009 Jun 30, 2009 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2009 Jun 30, 2009 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2009 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2009 Jun 30, 2009 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2009 Surface Water Treatment Rule
Jun 1, 2009 Jun 30, 2009 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2009 Surface Water Treatment Rule
Apr 1, 2008 Apr 30, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2008 Total Coliform Rule
Jul 1, 2007 Jul 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2007 Total Coliform Rule
Apr 1, 2007 Jun 30, 2007 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2007 Jun 30, 2007 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2006 Aug 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2006 Total Coliform Rule
Jan 1, 2006 Dec 31, 2006 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Nitrate Rule
Jan 1, 2006 Dec 31, 2006 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2002 Dec 31, 2002 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2002 Nitrate Rule
Jan 1, 2002 Dec 31, 2002 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2002 Nitrate Rule
Jul 1, 2000 Jul 31, 2000 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2000 Surface Water Treatment Rule
Jun 1, 1976 May 31, 1980 Combined Radium (-226 and -228) MR No No — 5 pCi/L — Archived May 31, 1980 Radionuclides and Revised Rad Rule
Jun 1, 1976 May 31, 1980 Gross Alpha, Excl. Radon and U MR No No — 15 pCi/L — Archived May 31, 1980 Radionuclides and Revised Rad 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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