TWIN FALLS CITY OF
Idaho - Community Water System - PWSID: ID5420058
System Information
| PWSID | ID5420058 |
| System Name | TWIN FALLS 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 | Jun 26, 2026 |
Location & Contact
| State | Idaho |
| City | TWIN FALLS |
| ZIP Code | 83301 |
| Address | 119 SOUTH PARK AVE WEST |
| Organization | BOHLING, ROBERT L |
| Phone | 208-736-1540 |
Population & Service
| Population Served | 56,121 |
| Service Connections | 19,273 |
Drinking Water Violations (166)
This water system has 166 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 1, 2026 | Feb 28, 2026 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Feb 28, 2026 | - | |
| Feb 1, 2026 | Feb 28, 2026 | MON | No | No | - | - | - | Archived | Feb 28, 2026 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2023 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Dec 11, 2024 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Dec 11, 2024 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Dec 11, 2024 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Dec 11, 2024 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Dec 11, 2024 | - | |
| Jul 1, 2022 | - | MR | No | No | - | TT | - | Resolved | Dec 11, 2024 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Feb 17, 2015 | - | MR | No | Yes | - | - | - | Resolved | Nov 16, 2023 | - | |
| Feb 17, 2015 | - | MR | No | Yes | - | - | - | Resolved | Nov 16, 2023 | - | |
| Feb 17, 2015 | - | MR | No | Yes | - | - | - | Resolved | Nov 16, 2023 | - | |
| Feb 17, 2015 | - | MR | No | Yes | - | - | - | Resolved | Nov 16, 2023 | - | |
| Feb 17, 2015 | - | MR | No | Yes | - | - | - | Resolved | Nov 16, 2023 | - | |
| Jan 1, 2014 | Dec 31, 2022 | MR | No | Yes | - | 1 mg/L | - | Archived | Dec 31, 2022 | - | |
| Jan 1, 2014 | Dec 31, 2022 | MR | No | Yes | - | 1 mg/L | - | Archived | Dec 31, 2022 | - | |
| Jul 12, 2012 | - | Other | No | No | - | - | - | Resolved | Oct 30, 2012 | - | |
| May 5, 2012 | - | Other | No | No | - | - | - | Resolved | Mar 31, 2012 | - | |
| May 5, 2012 | - | Other | No | No | - | - | - | Resolved | Mar 30, 2012 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | - | |
| Mar 3, 2012 | - | Other | No | No | - | - | - | Resolved | Apr 9, 2012 | - | |
| Mar 3, 2012 | - | Other | No | No | - | - | - | Resolved | Apr 9, 2012 | - | |
| Jan 2, 2012 | - | Other | No | No | - | - | - | Resolved | Apr 9, 2012 | - | |
| Jan 2, 2012 | - | Other | No | No | - | - | - | Resolved | Apr 9, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | - | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | - |
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.