BALD MOUNTAIN
Idaho — Transient Non-Community — PWSID: ID5070044
System Information
| PWSID | ID5070044 |
| System Name | BALD MOUNTAIN |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 7, 1986 |
| Last Reported | Dec 19, 2025 |
Location & Contact
| State | Idaho |
| City | SUN VALLEY |
| ZIP Code | 83353 |
| Address | PO BOX 2410 |
| Organization | MCMAHON, PAT |
| Phone | 208-622-9507 |
Population & Service
| Population Served | 1,000 |
| Service Connections | 6 |
Drinking Water Violations (30)
This water system has 30 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, 2024 | Jul 31, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Jul 31, 2024 | Revised Total Coliform Rule |
| Jul 1, 2024 | Jul 31, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Jul 31, 2024 | Revised Total Coliform Rule |
| Jul 1, 2024 | Jul 31, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Jul 31, 2024 | Revised Total Coliform Rule |
| Jan 1, 2018 | Mar 31, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2018 | Revised Total Coliform Rule |
| Jan 1, 2018 | Mar 31, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2018 | Revised Total Coliform Rule |
| Jan 1, 2018 | Mar 31, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2018 | Revised Total Coliform Rule |
| Nov 5, 2017 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 25, 2018 | Public Notice Rule and Revised PN Rule |
| Nov 5, 2017 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 25, 2018 | Public Notice Rule and Revised PN Rule |
| Nov 5, 2017 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 25, 2018 | Public Notice Rule and Revised PN Rule |
| Nov 5, 2017 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 25, 2018 | Public Notice Rule and Revised PN Rule |
| Nov 5, 2017 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 25, 2018 | Public Notice Rule and Revised PN Rule |
| Nov 5, 2017 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jan 25, 2018 | Public Notice Rule and Revised PN Rule |
| Sep 1, 2017 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 9, 2017 | Ground Water Rule |
| Sep 1, 2017 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 9, 2017 | Ground Water Rule |
| Sep 1, 2017 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 9, 2017 | Ground Water Rule |
| Sep 1, 2017 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 9, 2017 | Ground Water Rule |
| Sep 1, 2017 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 11, 2017 | Ground Water Rule |
| Sep 1, 2017 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 11, 2017 | Ground Water Rule |
| Sep 1, 2017 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 11, 2017 | Ground Water Rule |
| Sep 1, 2017 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 11, 2017 | Ground Water Rule |
| Sep 1, 2017 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Oct 11, 2017 | Ground Water Rule |
| Jan 1, 2012 | Mar 31, 2012 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2012 | Mar 31, 2012 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2012 | Mar 31, 2012 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2009 | Dec 31, 2009 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 2009 | Nitrate Rule |
| Jan 1, 2009 | Dec 31, 2009 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 2009 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2000 | Dec 31, 2000 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2000 | Nitrate Rule |
| Jan 1, 1997 | Dec 31, 1997 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1997 | Nitrate Rule |
| Jul 1, 1992 | Jul 31, 1992 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jul 31, 1992 | Total Coliform Rule |
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.