MOUNTAIN HOME, CITY OF

PWSID: ID4200032 · Mountain Home, ID · Serves 14,651 people

According to EPA Safe Drinking Water Information System (SDWIS), MOUNTAIN HOME, CITY OF (PWSID ID4200032) in Mountain Home, ID is listed as a CWS water system covering about 14,651 people. The same extract lists 5 health-based violation records spanning 2017-2025. Those 5 health-based rows for MOUNTAIN HOME, CITY OF cover contaminants such as Revised Total Coliform Rule, LEAD AND COPPER RULE REVISIONS; they remain historical EPA registry entries, not a current compliance or drinkability score.

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Health-Based Records

MOUNTAIN HOME, CITY OF has 5 health-based violation records in this historical extract. Monitoring and reporting records are not included.

Population Served
14,651
Health-Based Violation Records
5
Distinct Contaminant Codes
2
Source Type
Groundwater

PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 2 distinct EPA contaminant codes appear in this system's record, including Revised Total Coliform Rule, LEAD AND COPPER RULE REVISIONS. Recorded violations span 2017–2025. Day-to-day primacy enforcement for this system runs through the Idaho drinking-water program, not EPA directly.

A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current 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
Revised Total Coliform Rule 3 3
LEAD AND COPPER RULE REVISIONS 2 2

Violation History (5)

Contaminant Health Date
Revised Total Coliform Rule Yes Aug 1, 2025
LEAD AND COPPER RULE REVISIONS Yes Oct 17, 2024
LEAD AND COPPER RULE REVISIONS Yes Oct 17, 2024
Revised Total Coliform Rule Yes Aug 12, 2017
Revised Total Coliform Rule Yes Aug 12, 2017

Frequently Asked Questions

What does EPA SDWIS list for MOUNTAIN HOME, CITY OF?
MOUNTAIN HOME, CITY OF has 5 health-based violation records in this historical extract. Monitoring and reporting records are not included. The system uses groundwater water as its source.
How many people does MOUNTAIN HOME, CITY OF serve?
MOUNTAIN HOME, CITY OF serves 14,651 people in Mountain Home, ID. It is classified as a CWS water system.
What violations does MOUNTAIN HOME, CITY OF have?
MOUNTAIN HOME, CITY OF has 5 health-based violation records in PlainEnviro's extract spanning 2017–2025. Monitoring and reporting records are not included.
What contaminants have been found in MOUNTAIN HOME, CITY OF water?
Violations have been recorded for 2 contaminants. The most frequent: Revised Total Coliform Rule, LEAD AND COPPER RULE REVISIONS.

Compare beyond Idaho

Nationwide peers by violations & population served

Cross-state SDWIS systems nearest MOUNTAIN HOME, CITY OF on cumulative violation count (5) and EPA-reported population served (14,651). Violation-count peers include Jemez Pueblo, Acoma Main, OMAHA TRIBE PWS. Population peers include PA AMERICAN WATER CO WARREN, MACEDONIA EYLAU MUD 1, WEST HWY 80 ARK ROAD WS.

About This Data

MOUNTAIN HOME, CITY OF (ID4200032) is drawn from EPA SDWIS. Nearby county systems in this extract include MOUNTAIN HOME AIR FORCE BASE; GLENNS FERRY CITY OF; WILDERNESS RANCH OWNERS ASSOCIATION INC; TRINITY ESTATES WATER USERS ASSN. Health-based rows (5 MCL/TT) are historical registry state, not a current drinkability score.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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