ARCO CITY OF
Idaho - Community Water System - PWSID: ID6120001
System Information
| PWSID | ID6120001 |
| System Name | ARCO CITY OF |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 13, 1980 |
| Last Reported | Mar 25, 2026 |
Location & Contact
| State | Idaho |
| City | ARCO |
| ZIP Code | 83213 |
| Address | PO BOX 196 |
| Organization | HAROLDSEN, SAM |
| Phone | 208-527-8294 |
Population & Service
| Population Served | 1,080 |
| Service Connections | 619 |
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.