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Water Hardness in Long Grove, IA

Iowa · 1 zip codes · 3 matched water systems

180 PPM
10.5 GPG
Hard
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 180 PPM

Dataset updated March 9, 20263 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Iowa-American Wtr Co-Davenport
IA8222001
Water source: surface water
Serves: 147,720
USGS environmental estimate: 335 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 3 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
1 verified treated-water source
3 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 Long Grove

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

3 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.
Iowa-American Wtr Co-Davenport
IA8222001
Hard
180 PPMsurface water147,720 servedVerified — Annual Water Quality Report
Source water: 335 PPM
Long Grove Muni Water Supply
IA8251096
Hard
230 PPMgroundwater838 servedHigh Confidence — USGS Monitoring
New Liberty Water Supply
IA8264059
Hard
230 PPMgroundwater138 servedHigh Confidence — USGS Monitoring

Zip Codes in Long Grove, 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 Long Grove, IA.

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Frequently Asked Questions

How hard is the water in Long Grove, IA?

The citywide weighted average water hardness in Long Grove, IA is 180 PPM (10.5 GPG), classified as hard. This is based on 3 matched water systems. The gauge highlights Iowa-American Wtr Co-Davenport, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Long Grove, IA?

With a citywide average hardness of 180 PPM, a water softener is recommended for homes in Long Grove. Confirm your tap reading before sizing equipment.

Is hard water in Long Grove, 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 Long Grove, IA?

Long Grove, Iowa is served by 3 matched water systems across 1 zip code.

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