MOUNTAIN HOME, CITY OF
Idaho — Community Water System — PWSID: ID4200032
System Information
| PWSID | ID4200032 |
| System Name | MOUNTAIN HOME, 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 | MOUNTAIN HOME |
| ZIP Code | 83647 |
| Address | PO BOX 10 |
| Organization | SONNENTAG, DAVID |
| Phone | 208-587-2108 |
Population & Service
| Population Served | 14,651 |
| Service Connections | 5,842 |
Drinking Water Violations (366)
This water system has 366 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | — | TT | Yes | No | — | — | — | Resolved | Dec 11, 2025 | — | |
| Aug 1, 2025 | — | TT | Yes | No | — | — | — | Resolved | Dec 11, 2025 | — | |
| Aug 1, 2025 | — | TT | Yes | No | — | — | — | Resolved | Dec 11, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Jan 23, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Jan 23, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Jan 23, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Jan 23, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Jan 23, 2025 | — | |
| Oct 17, 2024 | — | TT | Yes | No | — | — | — | Resolved | Jan 23, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Jan 23, 2025 | — | |
| Sep 30, 2024 | — | MR | No | No | — | — | — | Unaddressed | — | — | |
| Sep 30, 2024 | — | MR | No | No | — | — | — | Unaddressed | — | — | |
| Jul 22, 2024 | — | MR | No | No | — | — | — | Unaddressed | — | — | |
| Jul 22, 2024 | — | MR | No | No | — | — | — | Unaddressed | — | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.001 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.002 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.04 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | — | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.001 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.004 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.05 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.0002 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.002 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.5 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.004 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.7 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.004 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.4 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.07 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.0005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.4 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | — | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.006 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.00005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.002 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.0005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.007 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.04 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.04 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | — | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.002 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.7 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.0005 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.007 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.001 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.004 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.003 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.2 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.0002 mg/L | — | Archived | Dec 31, 2025 | — | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | No | — | 0.02 mg/L | — | Archived | Dec 31, 2025 | — |
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.