UNION, CITY OF

Oregon — Community Water System — PWSID: OR4100915

System Information

PWSIDOR4100915
System NameUNION, CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedMar 25, 2026

Location & Contact

StateOregon
CityUNION
ZIP Code97883
AddressPO BOX 529
OrganizationUNION, CITY OF
Phone541-910-9399

Population & Service

Population Served2,162
Service Connections958

Drinking Water Violations (28)

This water system has 28 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
Oct 1, 2023 Other No No Resolved Nov 1, 2023
Jul 1, 2023 Other No No Resolved Nov 1, 2023
Jun 1, 2020 Jun 30, 2020 MON No No Resolved Jun 30, 2020
Sep 18, 2015 Other No No Resolved Oct 22, 2015
Jul 1, 2015 Jul 31, 2015 MCL Yes No 5% of samples Resolved Jul 31, 2015
Jul 1, 2015 Jul 31, 2015 MCL Yes No 5% of samples Resolved Jul 31, 2015
Jul 1, 2015 Jul 31, 2015 MCL Yes No 5% of samples Resolved Jul 31, 2015
Mar 1, 2011 Mar 31, 2011 MR No No 5% of samples Resolved Mar 31, 2011
Mar 1, 2011 Mar 31, 2011 MR No No 5% of samples Resolved Mar 31, 2011
Jan 1, 2002 Dec 31, 2002 MR No Yes 10 mg/L Resolved Dec 31, 2002
Jan 1, 2000 Dec 31, 2000 MR No Yes 10 mg/L Resolved Dec 31, 2000
Jun 1, 1999 Jun 30, 1999 MCL Yes No 5% of samples Resolved Jun 30, 1999
Jun 1, 1999 Jun 30, 1999 MCL Yes No 5% of samples Resolved Jun 30, 1999
Apr 1, 1997 Apr 30, 1997 MCL Yes No 5% of samples Resolved Apr 30, 1997
Apr 1, 1997 Apr 30, 1997 MCL Yes No 5% of samples Resolved Apr 30, 1997
Jan 1, 1997 Dec 31, 1997 MR No Yes 10 mg/L Resolved Dec 31, 1997
Nov 1, 1996 Nov 30, 1996 MR No No 5% of samples Resolved Nov 30, 1996
Mar 1, 1996 Mar 31, 1996 MCL Yes No 5% of samples Resolved Mar 31, 1996
Mar 1, 1996 Mar 31, 1996 MCL Yes No 5% of samples Resolved Mar 31, 1996
Jul 1, 1994 MR No No TT Resolved Dec 22, 1994
Apr 1, 1994 Apr 30, 1994 MCL Yes No 5% of samples Resolved Apr 30, 1994
Aug 1, 1991 Aug 31, 1991 MR No No 5% of samples Resolved Aug 31, 1991
Jun 1, 1976 May 31, 1980 MR No No 5 pCi/L Archived May 31, 1980
Jun 1, 1976 May 31, 1980 MR No No 15 pCi/L Archived May 31, 1980
No No
No No
No No
No No

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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