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UMPQUA BASIN WATER ASSOC

Oregon — Community Water System — PWSID: OR4100719

System Information

PWSIDOR4100719
System NameUMPQUA BASIN WATER ASSOC
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityROSEBURG
ZIP Code97470
Address4972 GARDEN VALLEY RD
OrganizationUMPQUA BASIN WATER ASSOC
Phone541-672-5559

Population & Service

Population Served9,499
Service Connections4,603

Drinking Water Violations (79)

This water system has 79 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
Aug 1, 2025 Aug 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Aug 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2025 Jul 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2025 Jun 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived Jun 30, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2025 May 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Archived May 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2024 Jul 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2024 Surface Water Treatment Rule
Jul 1, 2024 Jul 31, 2024 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2024 Surface Water Treatment Rule
May 30, 2024 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Apr 1, 2024 — Lead and Copper Rule TT Yes No — TT — Unaddressed — Lead and Copper Rule
Jul 1, 2019 Jul 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2019 Surface Water Treatment Rule
Jul 1, 2019 Jul 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2019 Surface Water Treatment Rule
Jul 1, 2019 Jul 31, 2019 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2019 Surface Water Treatment Rule
May 1, 2013 May 31, 2013 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2013 Surface Water Treatment Rule
May 1, 2013 May 31, 2013 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2013 Surface Water Treatment Rule
May 1, 2013 May 31, 2013 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2013 Surface Water Treatment Rule
Jan 1, 2008 Dec 31, 2008 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Nitrate Rule
Jan 1, 2008 Dec 31, 2008 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2008 Arsenic Rule
Jan 1, 2008 Dec 31, 2008 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2007 Jan 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2007 Total Coliform Rule
Jan 1, 2007 Jan 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2007 Total Coliform Rule
Dec 1, 2006 Dec 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2006 Total Coliform Rule
Dec 1, 2006 Dec 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2006 Total Coliform Rule
Aug 1, 2006 Aug 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2006 Total Coliform 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 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
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 1,2,4-Trichlorobenzene MR No Yes — 0.07 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 1,2-Dichloropropane MR No Yes — 0.005 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 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2006 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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