MOUNTAIN HOME, CITY OF
PWSID: ID4200032 · Mountain Home, ID · Serves 14,651 people
MOUNTAIN HOME, CITY OF has 5 health-based violations out of 5 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.
MOUNTAIN HOME, CITY OF (PWSID ID4200032) is a cws water system drawing from a groundwater source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 14,651 people in Mountain Home, ID, and is subject to primacy enforcement by the Idaho drinking-water program.
The system's federal compliance record contains 5 total violations, with 5 classified as health-based (MCL exceedances or treatment-technique failures). 2 distinct contaminants have been cited, including E. coli, Gross Alpha. Recorded violations span 2017–2025.
A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Idaho state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- ID4200032
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Mountain Home, ID
- Population Served
- 14,651
- Health Violations
- Yes (5)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| E. coli | 3 | 3 |
| Gross Alpha | 2 | 2 |
Violation History (5)
| Contaminant | Health | Date |
|---|---|---|
| E. coli | Yes | Aug 1, 2025 |
| Gross Alpha | Yes | Oct 17, 2024 |
| Gross Alpha | Yes | Oct 17, 2024 |
| E. coli | Yes | Aug 12, 2017 |
| E. coli | Yes | Aug 12, 2017 |
Frequently Asked Questions
Is MOUNTAIN HOME, CITY OF water safe to drink?
How many people does MOUNTAIN HOME, CITY OF serve?
What violations does MOUNTAIN HOME, CITY OF have?
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About This Data
Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.