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Water Hardness in 47711

Evansville, Indiana · Vanderburgh County

130 PPM
7.6 GPG
Moderately Hard
0Soft60120180300+
Verified — Annual Water Quality Report

Dataset updated March 9, 2026Matched to 2 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 2 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
2 verified treated-water sources
2 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 47711

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.

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.
Evansville Water Utility
IN5282002
Moderately Hard
130 PPMsurface water182,444 servedVerified — Annual Water Quality Report
Source water: 237 PPM
German Township Water District Inc.
IN5282003
Moderately Hard
130 PPMsurface water12,890 servedVerified — Annual Water Quality Report
Source water: 221 PPM

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 Evansville, IN (47711).

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Frequently Asked Questions

Is the water hard in Evansville, IN (47711)?

The average water hardness in 47711 is 130 PPM (7.6 GPG), which is classified as moderately hard.

Do I need a water softener in 47711?

With hardness of 130 PPM, a water softener is worth considering for homes in 47711.

Is hard water in 47711 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 47711?

Zip code 47711 in Evansville, Indiana is served by 2 water systems.

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