Who wrote this: Kind Water Co wrote this page and is one of the companies compared. Our picks are our own opinion, not an independent review.
What is the best water softener in Iowa? One sized to your household and set to your own tap's hardness. Our pick is Kind Water Co, based in Des Moines: a softener with whole-home carbon is $2,500 installed, tax included. Treated water from the Des Moines plants averaged 8.5 to 8.9 grains in 2025 (Des Moines Water Works).
A note before the list: we sell softeners and rank our own first. So every fact about another brand comes from its own website, dated, and we say where another choice may suit you better. For local companies by name, see our Des Moines water softener company comparison.
We judged every option on the six tests below: sizing, service, carbon, drinking water, warranty and a posted price. We read each brand's own website on October 31, 2026. The side-by-side table comes from our comparison page, checked September 12, 2026. Water numbers come from utility reports and EPA records. We didn't score reviews, ask for quotes or test other brands' equipment, and this isn't every softener sold in Iowa. If we got a fact wrong about your company, email hello@kindwaterco.com and we'll fix it.
Iowa doesn't have one kind of water. Each town has its own utility, and many acreages have wells, so a statewide average wouldn't tell you much. Three things show up again and again:
Find your town in our Iowa water hardness lookup, or read is Iowa water hard?.
A softener holds a set amount of hardness, then cleans itself (it "regenerates"). If it's too small, it runs out on busy days. Your household and your tap's hardness set the size. Our standard tank fits most homes. With 8 or more people or 4 or more bathrooms, you get our XL water softener: $2,800, or $3,150 with kitchen RO (city water only).
Hardness also moves. Fleur Drive's treated water ran 7.3 to 11.7 grains day to day in 2025 (DMWW plant data). Ask any installer what they'll set your softener to, and why.
Some brands tie parts and repairs to their dealers. RainSoft's EC5 manual says genuine RainSoft parts must be used, or the warranty is void. Culligan's owner's guide sends warranty repairs through the dealer. Our softener uses a ceramic-disc control valve with standard parts, so any licensed plumber can service it.
A softener takes out hardness, not chlorine. Des Moines Water Works uses chlorine, and a whole-home carbon tank handles that taste and smell. That's why our $2,500 build includes carbon. Chloramine cities, like Ames and Cedar Rapids, need catalytic carbon, which adds $150 to our standard build. See our whole-home carbon filtration.
A softener isn't a drinking-water filter. A kitchen reverse osmosis (RO) system is. Ours is 7-stage with an alkaline filter, certified to NSF/ANSI 58 for TDS reduction. It's $897 with a tank or $997 tankless, or part of our $2,850 softener and RO package. Wells get the tank RO only.
Read three clocks: parts, media (the resin and carbon) and labor. Ours is a lifetime parts warranty on the softener, five years on the softener and carbon media, and one year on labor. The kitchen RO has a 1-year warranty.
You should see the total, with installation and tax, before anyone visits. Ours is posted. The Culligan, Kinetico, RainSoft and EcoWater product pages we read on October 31, 2026, showed no installed prices.
| Type | How it works | Lowers hardness? | Know this first |
|---|---|---|---|
| Salt-based softener | Resin beads swap hardness minerals for sodium. Salt cleans the resin. | Yes | It needs salt and a drain line |
| Twin-tank softener | Two resin tanks take turns. Kinetico's Signature Series runs on water flow, not electricity. | Yes | Kinetico's warranty leaves out freight and labor |
| Softener and carbon in one unit | One unit softens and filters chlorine taste: EcoWater's refiner, Culligan's Smart HE municipal softener | Yes | Ask how long the carbon lasts |
| Big-box cabinet softener | Resin and salt share one cabinet. You hire the plumber. | Yes | Whirlpool covers labor for one year, or five if you use and register its cleaner |
| Salt-free conditioner | Changes how minerals behave so less scale forms. The minerals stay. | No | City water only. Your water still tests hard. Ours is $3,050 |
Going salt-free? Our salt-free water conditioner guide explains what it does and doesn't do. On city water, our softener also comes as a two-tank build for $700 more.
Kind's whole-home bundle next to the national brands, from our comparison page (checked September 12, 2026):
| What's included (as on /compare) | Kind Water Co whole-home bundle | Culligan | Kinetico | RainSoft | EcoWater | Big-box store + your plumber |
|---|---|---|---|---|---|---|
| Kitchen RO | Included | Not included | Not included | Not included | Not included | Not included |
| Any plumber can service | Included | Not included | Not included | Not included | Not included | Not included |
| Upfront pricing | Included | Not included | Not included | Not included | Not included | Included |
| Installed price band | $$ ($2,000–$3,000) | $$$$ ($4,000+) | $$$$ ($4,000+) | $$$$ ($4,000+) | $$$$ ($4,000+) | $ (under $2,000) |
"Not included" means it isn't part of the base purchase; these brands sell RO on its own. The other brands' bands come from dated cost surveys and owner-posted quotes listed on that page, not from their price lists.
Two brands head to head? See Culligan vs Kinetico in Iowa, or our softener brands compared.
Kind Water Co wrote this page. Every pick below is our opinion.
| Your home | Our pick | Installed, tax included |
|---|---|---|
| Most Iowa homes on city water | #1 overall: Kind Water Co softener with whole-home carbon (that's us; we wrote this page) | $2,500 |
| You also want better drinking water | Kind Standard: softener, carbon and a tank or tankless kitchen RO | $2,850 |
| Your city uses chloramine (Ames, Grimes, Cedar Rapids, Davenport) | Kind Standard with catalytic carbon | $3,000 with RO, or $150 more on any standard build |
| 8 or more people, or 4 or more bathrooms | Kind XL (city water only) | $2,800, or $3,150 with kitchen RO |
| A private well | Kind dual-tank well system | From $3,650, or $3,950 with a tank RO |
| You don't want salt | A salt-free conditioner (not a softener; city water only) | $3,050 |
Our prices are posted, and we confirm any travel charge before you book.
| What you get | Installed, tax included |
|---|---|
| Softener alone (no carbon; doesn't remove chlorine or chloramine) | $1,900 |
| Softener with whole-home carbon | $2,500 |
| Standard: softener, carbon and a tank or tankless kitchen RO | $2,850 |
| Catalytic carbon for chloramine water | +$150 on a standard build ($3,000 with RO) |
| XL for 8+ people or 4+ bathrooms (city water) | $2,800, or $3,150 with kitchen RO |
| Two-tank city build with RO | $3,550 |
| Kitchen RO on its own | $897 tank · $997 tankless |
| Salt-free conditioner (city water; not a softener) | $3,050 |
| Private well, dual-tank system | From $3,650, or $3,950 with a tank RO |
When the media wears out, a tank swap is $1,000. A non-warranty service call is $149 for time and labor, plus any parts; calls covered by our warranty are free. If you go ahead with the repair or a new system, the $149 counts toward it. RO filter care is $199 a year if we mail you the filters and you swap them, or $249 a year if we come out, swap them and test your water. Military members and first responders get $100 off.
Every add-on is in our Des Moines water softener cost guide. In Eastern Iowa, use our Eastern Iowa cost guide.
A well has no plant and no yearly report, so a test at your tap comes first. Our dual-tank well system starts at $3,650, or $3,950 with a tank RO. A long trench, distance or rock can raise that. On a well, we install the tank RO only. Iron and sulfur problems are quoted after the free water test, and some wells add UV ($700) or a pre-sediment filter ($500).
Polk and Story counties offer free private-well testing, and Dallas County runs well testing through the state's grants program (county websites, checked October 2026). Near Des Moines, start with our Polk County water page.
Starting with Des Moines. Each town name links to our page on that town's water.
| Town | Where the water comes from | Softened at the plant? | Published hardness | Disinfectant, so carbon | EWG list, 2021–2023 |
|---|---|---|---|---|---|
| Des Moines | Des Moines Water Works: river water, three plants | Yes: lime at two, RO at Saylorville | 8.5–8.9 gpg (2025 plant averages) | Chlorine: regular carbon | 12 |
| Ankeny | Central Iowa Water Works water, some stored in two deep wells | Yes, at the regional plants | 8.5–8.9 gpg at those plants (2025) | Chlorine: regular carbon | 14 |
| West Des Moines | Its own A.C. Ward wells plus river water; about 25% of customers get river water only (2025 report) | Yes: lime at A.C. Ward | We measure it at your tap | Chlorine: regular carbon | 13 |
| Ames | Its own wells, more than 20 | Yes: lime | 9.41 gpg (September 2026 monthly average) | Chloramine: catalytic carbon | 6 |
| Waukee | Central Iowa Water Works water from the McMullen plant | Yes, at McMullen | 7.5–8.5 gpg (city page, undated; checked Oct 2026) | Chlorine: regular carbon | 15 |
| Altoona | Its own deep wells | Yes: ion exchange at three plants | Not published (2025 report); we measure it at your tap | Chlorine: regular carbon | 13 |
EWG column: how many chemicals EWG lists above its own health guidelines in each utility's 2021–2023 testing, plus radiological results from 2018 to 2023 for Ankeny, West Des Moines, Ames, Waukee and Altoona (EWG Tap Water Database). EWG's guidelines are not legal limits, and EWG doesn't list hardness.
Eastern Iowa. Our Cedar Rapids office serves Eastern Iowa:
| Area | What decides the build | Our local guide |
|---|---|---|
| Cedar Rapids | Lime-softened, 6.5–7 gpg leaving the plant (city softening page); chloramine (EPA), so catalytic carbon | Cedar Rapids companies compared |
| Iowa City | Lime-softened at the city plant (EPA) | Iowa City softener companies |
| Dubuque | Lime-softened at the city plant (EPA) | Dubuque company comparison |
| Quad Cities (Iowa side) | Iowa American Water lists chloramine and no softening step (EPA) | Quad Cities guide |
| Waterloo | 19.4 gpg (2025 analysis); no softening step listed (EPA) | Waterloo and Cedar Falls guide |
For the whole region, see our Eastern Iowa softener and filtration guide.
Get the installed total, with tax, in writing before anyone drills a hole. And ask what the softener will be set to, based on a number measured at your own tap. Our comparison page also lists seven questions to ask any water company, with our own answers.
Call or text 515-709-4674, email hello@kindwaterco.com, or get an instant quote. Kind Water Co · 600 SE 15th St, Des Moines, IA 50317 · 515-709-4674. Book a free in-home water test, or read our guides to whole-house water filtration in Des Moines and reverse osmosis in Des Moines.
For most Iowa homes, it's a salt-based softener sized to your household and set to the hardness at your tap, with carbon for chlorine. Kind Water Co wrote this page. Our pick is our own softener with whole-home carbon: $2,500 installed, tax included. Iowa water varies a lot. Cedar Rapids' water leaves its plant at 6.5 to 7 grains, and Waterloo lists 19.4 grains.
Our pick is Kind Water Co. Please know that Kind Water Co wrote this page and is one of the companies compared. We pick ourselves for posted prices with tax included, a standard valve any licensed plumber can service, and a written water guarantee. We're based in Des Moines, with a second office in Cedar Rapids. For local companies by name, see our Des Moines comparison.
One set for hard water that changes through the year. Kind Water Co wrote this page, and our pick for Central Iowa is our softener with whole-home carbon, $2,500 installed. Des Moines plant water averaged 8.5 to 8.9 grains in 2025. Ames averaged 9.41 in September 2026. Ames uses chloramine, so homes there get catalytic carbon for $150 more.
It depends on the job. A softener handles hardness. A whole-home carbon tank handles chlorine taste and smell. Catalytic carbon handles chloramine. A kitchen reverse osmosis system is for drinking water. Many Iowa city homes want all three, and our package is $2,850 installed with a tank or tankless RO. Start by looking up your city's hardness and disinfectant.
A salt-based softener is the type that lowers hardness. A salt-free conditioner doesn't. The minerals stay, and your water still tests hard. One-tank and two-tank softeners both work, and the right one depends on your home and your space. Our one-tank softener with whole-home carbon is $2,500. A two-tank city build adds $700.
Ones with a standard control valve and standard parts. Some big brands tie parts and repairs to their dealers. RainSoft's manual says you must use genuine RainSoft parts to keep the warranty. Culligan's owner's guide sends warranty repairs to the dealer. Kind Water Co's softener uses a ceramic-disc valve with standard parts, so any licensed plumber can work on it.
EPA's records list chloramine in Ames, Cedar Rapids and Davenport. They also list it at the Grimes plant of Central Iowa Water Works. A softener doesn't take it out, so those homes need catalytic carbon. That adds $150 to our standard build. A softener, catalytic carbon and kitchen RO is then $3,000 installed. Des Moines Water Works uses chlorine.
Look for three terms in writing: parts, media and labor. Ours is a lifetime parts warranty on the softener, five years on the media and one year on labor. The kitchen RO has a 1-year warranty. Some brands leave labor out. Kinetico's home warranty says it does not include freight or labor. RainSoft's lifetime warranty does not include labor.
Water
Brands (each read on October 31, 2026)
Updated November 1, 2026 · water facts checked October 30–31, 2026 · brand websites and EWG data read October 31, 2026
Whole-home water softening, filtration, and reverse-osmosis drinking water — professionally installed and built to last a lifetime.
Serving Des Moines, Polk County & homes across Iowa
Kind Water Co is a d/b/a of Zero Cap Investments LLC · 600 SE 15th St, Des Moines, IA 50317
.webp)
