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Water Hardness in Deep River, IA

Iowa · 2 zip codes · 2 matched water systems

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

City avg (weighted): 238 PPM

Dataset updated March 9, 20262 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 2 matched water systems and 2 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
1 verified treated-water source
2 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 Deep River

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

2 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
Deep River Water Supply
IA7915017
Very Hard
335 PPMgroundwater249 servedEstimated — Nearby Data

Zip Codes in Deep River, 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 Deep River, IA.

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Frequently Asked Questions

How hard is the water in Deep River, IA?

The citywide weighted average water hardness in Deep River, IA is 238 PPM (13.9 GPG), classified as hard. This is based on 2 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 Deep River, IA?

With a citywide average hardness of 238 PPM, a water softener is recommended for homes in Deep River. Confirm your tap reading before sizing equipment.

Is hard water in Deep River, 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 Deep River, IA?

Deep River, Iowa is served by 2 matched water systems across 2 zip codes.

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