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Water Hardness in Ankeny, IA

Iowa · 1 zip codes · 16 matched water systems

140 PPM
8.2 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 140 PPM

Dataset updated March 9, 202616 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Des Moines Water Works
IA7727031
Water source: surface water
Serves: 246,055
USGS environmental estimate: 430 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 16 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
16 verified treated-water sources
16 matched systems total for this city; treated-water reports are prioritized when available.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems in Ankeny

These systems are matched to Ankeny, IA. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

16 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Des Moines Water Works
IA7727031
Moderately Hard
140 PPMsurface water246,055 servedVerified — Annual Water Quality Report
Source water: 430 PPM
Ankeny, City Of
IA7709053
Moderately Hard
140 PPMsurface water76,207 servedVerified — Annual Water Quality Report
Source water: 411 PPM
West Des Moines Water Works
IA7785007
Moderately Hard
140 PPMsurface water68,723 servedVerified — Annual Water Quality Report
Source water: 430 PPM
Urbandale Water Utility
IA7780042
Moderately Hard
140 PPMsurface water45,605 servedVerified — Annual Water Quality Report
Source water: 411 PPM
Johnston Municipal Water Supply
IA7740011
Moderately Hard
140 PPMsurface water24,064 servedVerified — Annual Water Quality Report
Source water: 411 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Ankeny, IA

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Ankeny, IA.

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Frequently Asked Questions

How hard is the water in Ankeny, IA?

The citywide weighted average water hardness in Ankeny, IA is 140 PPM (8.2 GPG), classified as moderately hard. This is based on 16 matched water systems. The gauge highlights Des Moines Water Works, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Ankeny, IA?

With a citywide average hardness of 140 PPM, a water softener is worth considering for homes in Ankeny. Confirm your tap reading before sizing equipment.

Is hard water in Ankeny, IA safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve Ankeny, IA?

Ankeny, Iowa is served by 16 matched water systems across 1 zip code.

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