WH

Water Hardness in 52807

Davenport, Iowa · Scott County

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

Dataset updated March 9, 2026Matched to 6 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 6 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis
6 verified treated-water sources
6 matched systems total for this ZIP; 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 Serving 52807

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

6 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
Hickory Hills Subdivision #2
IA8215303
Hard
180 PPMgroundwater181 servedVerified — Annual Water Quality Report
Source water: 230 PPM
Devils Creek Estates Home Assoc
IA8218301
Hard
180 PPMgroundwater145 servedVerified — Annual Water Quality Report
Source water: 230 PPM
Carriage Place Estates Hoa
IA8209307
Hard
180 PPMgroundwater125 servedVerified — Annual Water Quality Report
Source water: 230 PPM
Lake Huntington Estates
IA8230302
Hard
180 PPMgroundwater102 servedVerified — Annual Water Quality Report
Source water: 230 PPM
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

What This Means For You

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

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Davenport, IA (52807).

Submit Your Data

Frequently Asked Questions

Is the water hard in Davenport, IA (52807)?

The average water hardness in 52807 is 180 PPM (10.5 GPG), which is classified as hard.

Do I need a water softener in 52807?

With hardness of 180 PPM, a water softener is recommended for homes in 52807.

Is hard water in 52807 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 52807?

Zip code 52807 in Davenport, Iowa is served by 6 water systems.

Learn More About Your Water