DECLO CITY OF

Idaho — Community Water System — PWSID: ID5160012

System Information

PWSIDID5160012
System NameDECLO 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
CityDECLO
ZIP Code83323
Address882 E 100 S
OrganizationGILES, COLT
Phone208-260-1387

Population & Service

Population Served300
Service Connections135

Drinking Water Violations (53)

This water system has 53 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 2, 2025 RPT No No Unaddressed
Jul 2, 2025 RPT No No Unaddressed
Oct 1, 2016 Sep 30, 2019 MR No Yes 0.060 mg/L Archived Sep 30, 2019
Oct 1, 2016 Sep 30, 2019 MR No Yes 0.080 mg/L Archived Sep 30, 2019
Oct 1, 2016 Sep 30, 2019 MR No Yes 0.080 mg/L Archived Sep 30, 2019
Oct 1, 2016 Sep 30, 2019 MR No Yes 0.060 mg/L Archived Sep 30, 2019
Aug 9, 2014 TT Yes No Resolved May 10, 2017
Aug 9, 2014 TT Yes No Resolved May 10, 2017
Aug 9, 2014 TT Yes No Resolved May 10, 2017
Aug 9, 2014 TT Yes No Resolved May 10, 2017
Aug 9, 2014 TT Yes No Resolved May 10, 2017
Jan 1, 2010 Dec 31, 2010 MR No Yes 10 mg/L Resolved Dec 31, 2010
Jan 1, 2005 Dec 31, 2005 MR No Yes 10 mg/L Resolved Dec 31, 2005
Jan 1, 2004 Dec 31, 2004 MR No Yes 10 mg/L Resolved Dec 31, 2004
Jan 1, 1998 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Jan 1, 1998 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Aug 1, 1997 Aug 31, 1997 MR No Yes 5% of samples Archived Aug 31, 1997
Jul 1, 1997 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Jul 1, 1997 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Jan 1, 1997 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Jan 1, 1997 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Oct 1, 1996 Oct 31, 1996 MR No Yes 5% of samples Archived Oct 31, 1996
Aug 1, 1996 Aug 31, 1996 MCL Yes No 5% of samples Archived Aug 31, 1996
Jul 1, 1996 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Jul 1, 1996 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Jun 1, 1996 Jun 30, 1996 MR No Yes 5% of samples Archived Jun 30, 1996
Feb 1, 1996 Feb 29, 1996 MR No Yes 5% of samples Archived Feb 29, 1996
Jan 1, 1996 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Jan 1, 1996 Dec 31, 1996 MR No Yes 10 mg/L Resolved Dec 31, 1996
Jan 1, 1996 Jan 31, 1996 MR No Yes 5% of samples Archived Jan 31, 1996
Jan 1, 1996 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Oct 1, 1995 Oct 31, 1995 MR No Yes 5% of samples Archived Oct 31, 1995
Sep 1, 1995 Sep 30, 1995 MR No Yes 5% of samples Archived Sep 30, 1995
Aug 1, 1995 Aug 31, 1995 MCL Yes No 5% of samples Archived Aug 31, 1995
Jul 1, 1995 Jul 31, 1995 MR No Yes 5% of samples Archived Jul 31, 1995
Jul 1, 1995 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Jul 1, 1995 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Jan 1, 1995 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Jan 1, 1995 Aug 18, 1998 MR No No TT Resolved Aug 18, 1998
Dec 1, 1994 Dec 31, 1994 MCL Yes No 5% of samples Archived Dec 31, 1994
Jun 1, 1993 Jun 30, 1993 MR No Yes 5% of samples Archived Jun 30, 1993
May 1, 1993 May 31, 1993 MR No Yes 5% of samples Archived May 31, 1993
Apr 1, 1993 Apr 30, 1993 MR No Yes 5% of samples Archived Apr 30, 1993
Jan 1, 1993 Jan 31, 1993 MCL Yes No 5% of samples Archived Jan 31, 1993
Dec 1, 1992 Dec 31, 1992 MR No No 5% of samples Archived Dec 31, 1992
Nov 1, 1992 Nov 30, 1992 MCL Yes No 5% of samples Archived Nov 30, 1992
Feb 1, 1992 Feb 29, 1992 MR No Yes 5% of samples Archived Feb 29, 1992
Jul 1, 1991 Jul 31, 1991 MR No Yes 5% of samples Archived Jul 31, 1991
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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