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ST PAUL, CITY OF

Oregon — Community Water System — PWSID: OR4100727

System Information

PWSIDOR4100727
System NameST PAUL, 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
CityAURORA
ZIP Code97002
Address21420 MAIN ST
OrganizationST PAUL, CITY OF
Phone971-930-3597

Population & Service

Population Served434
Service Connections181

Drinking Water Violations (59)

This water system has 59 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 — — — Unaddressed — Consumer Confidence Rule
Oct 1, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jan 1, 2024 Dec 31, 2024 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2024 Ground Water Rule
Jan 1, 2024 Dec 31, 2024 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2024 Ground Water Rule
Aug 1, 2018 Aug 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2018 Revised Total Coliform Rule
Mar 1, 2018 Mar 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2018 Revised Total Coliform Rule
Jan 1, 2018 Jan 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2018 Revised Total Coliform Rule
Dec 1, 2017 Dec 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2017 Revised Total Coliform Rule
Jan 1, 2017 Dec 31, 2017 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2017 Volatile Organic Chemicals
May 31, 2016 — E. COLI MR No Yes — — — Resolved Dec 22, 2016 Ground Water Rule
Apr 1, 2014 Jun 30, 2014 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jun 30, 2014 Volatile Organic Chemicals
Jan 1, 2012 Dec 31, 2012 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2012 Ground Water Rule
Jan 1, 2012 Dec 31, 2012 COLIPHAGE MR No Yes — — — Resolved Dec 31, 2012 Ground Water Rule
Feb 1, 2009 Feb 28, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2009 Total Coliform Rule
Jun 1, 2008 Jun 30, 2008 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2008 Total Coliform Rule
Jan 1, 2008 Dec 31, 2008 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2008 Nitrate Rule
Oct 1, 2006 Oct 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2006 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2005 Total Coliform Rule
Jan 1, 2005 Dec 31, 2007 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2007 Volatile Organic Chemicals
Oct 1, 1996 Oct 31, 1996 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1996 Total Coliform Rule
Oct 1, 1993 Oct 31, 1993 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1993 Total Coliform Rule
Oct 1, 1993 Oct 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1993 Total Coliform Rule
Sep 1, 1993 Sep 30, 1993 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1993 Total Coliform Rule
Aug 1, 1993 Aug 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 1993 Total Coliform Rule
May 1, 1993 May 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1993 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 1993 Total Coliform Rule
Mar 1, 1992 Mar 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 1992 Total Coliform 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
— — — 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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