ARCO CITY OF

Idaho — Community Water System — PWSID: ID6120001

System Information

PWSIDID6120001
System NameARCO CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedMar 13, 1980
Last ReportedMar 25, 2026

Location & Contact

StateIdaho
CityARCO
ZIP Code83213
AddressPO BOX 196
OrganizationHAROLDSEN, SAM
Phone208-527-8294

Population & Service

Population Served1,080
Service Connections619

Drinking Water Violations (60)

This water system has 60 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 Jul 31, 2025 MR No Yes Archived Jul 31, 2025
Jul 1, 2025 Jul 31, 2025 MR No Yes Archived Jul 31, 2025
Aug 1, 2022 Aug 31, 2022 MCL Yes No Resolved Aug 31, 2022
Aug 1, 2022 Aug 31, 2022 MCL Yes No Resolved Aug 31, 2022
Aug 1, 2022 Aug 31, 2022 MCL Yes No Resolved Aug 31, 2022
Aug 1, 2022 Aug 31, 2022 MCL Yes No Resolved Aug 31, 2022
Oct 1, 2016 MR No No TT Resolved Dec 5, 2018
Oct 1, 2016 MR No No TT Resolved Dec 5, 2018
Oct 1, 2016 MR No No TT Resolved Dec 5, 2018
Nov 1, 2015 Nov 30, 2015 MCL Yes No 5% of samples Archived Nov 30, 2015
Nov 1, 2015 Nov 30, 2015 MCL Yes No 5% of samples Archived Nov 30, 2015
Mar 1, 2015 Mar 31, 2015 MR No No 5% of samples Archived Mar 31, 2015
Mar 1, 2015 Mar 31, 2015 MR No No 5% of samples Archived Mar 31, 2015
Dec 1, 2014 Dec 31, 2014 MCL Yes No 5% of samples Archived Dec 31, 2014
Dec 1, 2014 Dec 31, 2014 MCL Yes No 5% of samples Archived Dec 31, 2014
Sep 1, 2013 Sep 30, 2013 MCL Yes No 5% of samples Archived Sep 30, 2013
Sep 1, 2013 Sep 30, 2013 MCL Yes No 5% of samples Archived Sep 30, 2013
Aug 1, 2013 Aug 31, 2013 MR No No 5% of samples Archived Aug 31, 2013
Jul 1, 2008 Jul 31, 2008 MR No No 5% of samples Archived Jul 31, 2008
Apr 1, 2008 Jun 30, 2008 MR No Yes 0.006 mg/L Resolved Jun 30, 2008
May 1, 2002 May 31, 2002 MR No No 5% of samples Archived May 31, 2002
Nov 1, 2000 Nov 30, 2000 MR No Yes 5% of samples Archived Nov 30, 2000
Oct 1, 1999 Oct 31, 1999 MCL Yes No 5% of samples Archived Oct 31, 1999
Feb 1, 1999 Feb 28, 1999 MR No Yes 5% of samples Archived Feb 28, 1999
Sep 1, 1998 Sep 30, 1998 MR No Yes 5% of samples Archived Sep 30, 1998
Aug 1, 1997 Aug 31, 1997 MCL Yes No 5% of samples Archived Aug 31, 1997
Dec 1, 1996 Dec 31, 1996 MR No Yes 5% of samples Archived Dec 31, 1996
Jan 1, 1996 Dec 31, 1996 MR No Yes 10 mg/L Resolved Dec 31, 1996
Jan 1, 1995 Dec 31, 1995 MR No Yes 10 mg/L Resolved Dec 31, 1995
Nov 1, 1994 Nov 30, 1994 MR No Yes 5% of samples Archived Nov 30, 1994
Apr 1, 1994 Apr 30, 1994 MR No Yes 5% of samples Resolved Apr 30, 1994
Jan 2, 1994 MR No No TT Resolved May 14, 2002
Jan 2, 1994 MR No No TT Resolved May 14, 2002
Jan 2, 1994 MR No No TT Resolved May 14, 2002
Sep 1, 1993 Sep 30, 1993 MR No No 5% of samples Resolved Sep 30, 1993
Mar 1, 1993 Mar 31, 1993 MR No Yes 5% of samples Archived Mar 31, 1993
Jan 1, 1993 Dec 31, 1995 MR No Yes 0.002 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 0.004 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 0.002 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 0.004 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 0.005 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 0.05 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 4.0 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 2 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 0.1 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 0.006 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 2 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 0.005 mg/L Resolved Dec 31, 1995
Jan 1, 1993 Dec 31, 1995 MR No Yes 0.1 mg/L Resolved Dec 31, 1995

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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