Water Heater Repair in Mountain Home, ID
Mountain Home pumps its water from deep city wells, and Elmore County says parts of the local aquifer have been dropping for decades. If your water heater has quit or is leaking, call and get a plumber out.
What shapes water heater trouble in Mountain Home
Deep wells, falling aquifer
The city's 2023 drinking water report lists nine groundwater wells, and its source water plan shows most of them drilled 585 to 990 feet deep, starting with Well 1 in 1956. Water is chlorinated before it goes out through more than 79 miles of main. The report lists arsenic at 4 to 7 ppb, under the 10 ppb limit, and doesn't give a hardness figure. Water Division questions go to 208-587-2108.
Elmore County says levels in the Mountain Home Plateau Aquifer have been falling for more than 40 years, by 100 feet or more in some places, which led to a critical groundwater area in 1981 and a groundwater management area in 1982. Mineral-rich well water settles in a tank over time, so draining a few gallons a year helps.
High desert cold
At about 3,150 feet, Mountain Home gets real winters. NOAA's normals for the Mountain Home station show about 139 nights a year at or below freezing and an average January low near 23°F. Colder incoming water means longer heating cycles, and a heater in a garage or crawl space needs its pipes protected.
Newer homes, mostly gas
The median Mountain Home home was built in 1989, about 32% date from 2000 or later, and only about 3% are older than 1940. About 76% are detached houses and about 33% of households rent. Gas heats about 70% of homes and electricity about 25%, and Intermountain Gas lists Mountain Home among the communities it serves.
State plumbing rules, Republic bulk pickup
The city's Building Services page says plumbing, electrical and mechanical codes are regulated by the State of Idaho rather than the city, and city building permits go through its OpenGov portal. Plumbing permits come from Idaho's Division of Occupational and Professional Licenses at 208-334-3233.
Republic Services handles large item pickup in Mountain Home. Call 208-345-1265 to schedule one and ask about the fee.
Safe steps for Mountain Home homes
- Leaking? Close the cold water valve on top of the tank.
- Turn off the gas valve or the breaker for the heater.
- Gas smell? Intermountain Gas serves Mountain Home. Leave the house, call 911 from outside, then Intermountain Gas at 800-548-3679.
Repair, replacement and emergencies

Water Heater Repair
Gas, electric and tankless repairs, from pilot lights to heating elements.
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No Hot Water
Cold shower this morning? Get the cause found and fixed fast.
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Leaking Water Heater
Water around the tank or a dripping relief valve. Act before it floods.
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Emergency Water Heater Repair
Burst tank, gas smell or water everywhere. Call right away.
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Water Heater Replacement
When repair no longer makes sense, get a new tank or tankless unit.
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Tankless Water Heater Repair
Error codes, lukewarm water and scale buildup on tankless units.
Learn moreMountain Home water heater questions
Where does Mountain Home's water come from?
From nine city groundwater wells, most of them 585 to 990 feet deep, according to the city's reports.
Who handles plumbing permits in Mountain Home?
The city says plumbing codes are regulated by the State of Idaho. Plumbing permits come from DOPL at 208-334-3233.
How do I get rid of an old water heater in Mountain Home?
Call Republic Services at 208-345-1265 to schedule a large item pickup and ask about the fee.
Who is the gas company in Mountain Home, ID?
Intermountain Gas. If you smell gas, leave first, call 911 from outside, then Intermountain at 800-548-3679.
Where these local facts come from
- US Census Bureau, American Community Survey 2020-2024 (via Census Reporter)
- City of Mountain Home, ID, 2023 Consumer Confidence Report
- City of Mountain Home, ID, Source Water Protection Plan (2016)
- City of Mountain Home, ID, Water Division
- Elmore County, ID, Water Resources
- NOAA NCEI, 1991-2020 normals, Mountain Home (USC00106174)
- City of Mountain Home, ID, Building Services
- Idaho Division of Occupational and Professional Licenses, plumbing FAQs
- Republic Services, Mountain Home, ID residential service
- Intermountain Gas, communities served
- Intermountain Gas, contact and emergencies
Figures are the latest published by each source. Pricing and availability are set by the plumber.
No hot water in Mountain Home?
Call now for water heater repair or replacement.