WESTON, CITY OF

Oregon — Community Water System — PWSID: OR4100949

System Information

PWSIDOR4100949
System NameWESTON, CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 12, 1979
Last ReportedDec 23, 2025

Location & Contact

StateOregon
CityWESTON
ZIP Code97886
AddressPO BOX 579
OrganizationWESTON, CITY OF
Phone541-310-8978

Population & Service

Population Served714
Service Connections317

Drinking Water Violations (20)

This water system has 20 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, 2025 Consumer Confidence Rule Other No No Resolved Aug 28, 2025 Consumer Confidence Rule
Jul 1, 2024 Consumer Confidence Rule Other No No Resolved Aug 28, 2025 Consumer Confidence Rule
Mar 1, 2024 Mar 31, 2024 Revised Total Coliform Rule MON No Yes Resolved Mar 31, 2024 Revised Total Coliform Rule
Jun 1, 2011 Jun 30, 2011 Coliform (TCR) MCL Yes No 5% of samples Resolved Jun 30, 2011 Total Coliform Rule
Jun 1, 2011 Jun 30, 2011 Coliform (TCR) MCL Yes No 5% of samples Resolved Jun 30, 2011 Total Coliform Rule
Jun 1, 2011 Jun 30, 2011 Coliform (TCR) MCL Yes No 5% of samples Resolved Jun 30, 2011 Total Coliform Rule
Oct 1, 2008 Oct 31, 2008 Coliform (TCR) MCL Yes No 5% of samples Resolved Oct 31, 2008 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No 5% of samples Resolved Jul 31, 2005 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No 5% of samples Resolved Jul 31, 2005 Total Coliform Rule
May 1, 2000 May 31, 2000 Coliform (TCR) MCL Yes No 5% of samples Resolved May 31, 2000 Total Coliform Rule
May 1, 2000 May 31, 2000 Coliform (TCR) MCL Yes No 5% of samples Resolved May 31, 2000 Total Coliform Rule
Jun 1, 1998 Jun 30, 1998 Coliform (TCR) MR No No 5% of samples Resolved Jun 30, 1998 Total Coliform Rule
Jun 1, 1998 Jun 30, 1998 Coliform (TCR) MCL Yes No 5% of samples Resolved Jun 30, 1998 Total Coliform Rule
May 1, 1998 May 31, 1998 Coliform (TCR) MCL Yes No 5% of samples Resolved May 31, 1998 Total Coliform Rule
Jan 1, 1996 Dec 31, 1999 Gross Alpha, Excl. Radon and U MR No Yes 15 pCi/L Resolved Dec 31, 1999 Radionuclides and Revised Rad Rule
Aug 1, 1993 Aug 31, 1993 Coliform (TCR) MR No No 5% of samples Resolved Aug 31, 1993 Total Coliform Rule
Jul 1, 1993 Jul 31, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Jul 31, 1993 Total Coliform 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
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
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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