Water Softener & Reverse Osmosis Services in Pocatello, Idaho
Water Softeners Plus LLC · Licensed Plumber Serving Pocatello, Chubbuck & Bannock County
Pocatello has the hardest municipal water of any city we serve — 20.5 grains per gallon according to the City of Pocatello Water Department. That's 350 parts per million of dissolved calcium and magnesium running through every pipe, appliance, and faucet in your home. A water softener isn't optional here. It's essential. We install NuGen Fusion XT systems engineered specifically for this kind of extreme Rocky Mountain hard water.
20.5
GPG water hardness
(per City of Pocatello)
59K+
Pocatello
residents
75K+
Pocatello-Chubbuck
metro area
Pocatello's Water: The Hardest in Southeast Idaho
Pocatello extracts its water from the Lower Portneuf River Valley Aquifer using seventeen deep wells. That's a different water source than Idaho Falls and Rexburg, and it produces significantly harder water. According to the City of Pocatello Water Department, the city's water averages 350 parts per million — equivalent to 20.5 grains per gallon. That's classified as "very hard" by every standard, and it's the highest municipal hardness number in the region.
The Portneuf Aquifer passes through ancient limestone bedrock — formations laid down millions of years ago when this area was covered by prehistoric seas. That limestone is rich in calcium carbonate, which dissolves into the groundwater and shows up at your tap as the white scale on your faucets, the film on your dishes, and the mineral deposits slowly destroying your water heater from the inside.
How Pocatello compares to other SE Idaho cities
| City | GPG | Source |
|---|---|---|
| Pocatello | 20.5 | City Water Dept. FAQ |
| Rexburg | 16–19 | City of Rexburg |
| Ririe | 14.6 | Aggregated EPA/USGS data |
| Idaho Falls | 14 | City water quality report |
| Ammon | 14 | DROP database |
| Rigby | 7–10.5 | Aggregated EPA/USGS data |
| U.S. national average | ~5 | USGS |
At 20.5 GPG, Pocatello's water is more than 4x the national average and nearly 50% harder than Idaho Falls. If you've moved here from almost anywhere else in the country, the difference in your water is dramatic.
The City of Pocatello notes that while the water is safe to drink and meets EPA standards, the hardness causes "increased difficulty in cleaning and laundering tasks, decreased efficiency of water heaters and other water-using appliances, and white/chalky deposits on dishes." They even suggest that a water softener can address these concerns.
Moved to Pocatello recently?
If you've relocated from Boise (6–7 GPG), out of state, or even from Idaho Falls (14 GPG), you've probably already noticed the difference. Your soap doesn't lather the same. Your skin feels different after a shower. Your dishes come out of the dishwasher looking cloudy. That's 20.5 GPG hard water at work. A water softener engineered for Rocky Mountain hard water solves all of it.
Our Services in Pocatello & Chubbuck
Water Softener Installation
NuGen Fusion XT — American-made and engineered for hard Rocky Mountain water. NSF/ANSI 44 certified, lifetime tank warranty. Built to handle Pocatello's extreme 20.5 GPG hardness. Includes unit, all plumbing, programming, and 400 lbs of salt.
Learn more →$1,799
Reverse Osmosis Installation
Purified drinking water at your kitchen tap. Removes ~98% of dissolved solids. Installed under the sink or in your utility room to save space.
Learn more →$599
Softener + RO Bundle
Complete whole-home water treatment engineered for Rocky Mountain hard water. At 20.5 GPG, this bundle is the smart move — soft water for your home, purified water for drinking. Save $199.
See full pricing →$2,199
Free Water Assessment
We test your water at no cost. You'll get your exact hardness number and an honest recommendation — no obligation, no pressure.
Schedule a test →Free
Ready to fix your Pocatello hard water?
Call Chad directly for a free water test and a no-pressure quote. Same pricing whether you're in Pocatello, Chubbuck, or anywhere in Bannock County.
Nearby Service Areas
Frequently Asked Questions: Pocatello Water & Softeners
How hard is the water in Pocatello, Idaho?
According to the City of Pocatello Water Department, Pocatello's water averages 350 parts per million, equivalent to 20.5 grains per gallon. That's classified as 'very hard' and is the hardest municipal water supply in Southeast Idaho. The water comes from the Lower Portneuf River Valley Aquifer through seventeen deep wells. Water Softeners Plus offers free water testing — call (208) 419-7372.
How much does a water softener cost in Pocatello?
Water Softeners Plus installs NuGen Fusion XT water softeners — engineered for hard Rocky Mountain water — in Pocatello for $1,799. That includes the unit, all plumbing connections, programming, and 400 lbs of salt. Reverse osmosis systems are $599 installed. The softener plus RO bundle is $2,199.
Why is Pocatello's water so much harder than Idaho Falls?
Pocatello draws from the Lower Portneuf River Valley Aquifer, a different water source than Idaho Falls' Eastern Snake River Plain Aquifer. The Portneuf Aquifer passes through limestone bedrock with particularly high calcium carbonate content, resulting in 20.5 GPG compared to Idaho Falls' 14 GPG. Both are very hard, but Pocatello's geology produces some of the most mineral-heavy water in the region.
Do you serve Chubbuck as well as Pocatello?
Yes. Water Softeners Plus serves all of Pocatello, Chubbuck, and the surrounding Bannock County area including Inkom, McCammon, and communities along the I-15 corridor. We also serve Idaho Falls, Ammon, Rexburg, and everywhere within 100 miles.
Do you offer free water testing in Pocatello?
Yes. We test your water at no charge, tell you your exact hardness number, and give you an honest recommendation. No obligation and no sales pressure. Call Chad at (208) 419-7372 to schedule.