WH

Water Hardness in Dieterich, IL

Illinois · 1 zip codes · 13 matched water systems

226 PPM
13.2 GPG
Hard
0Soft60120180300+
Estimated — Nearby Data

Dataset updated March 9, 202613 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 13 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
13 estimated sources
This city reading needs local confirmation before equipment sizing or purchase decisions.
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 Dieterich

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

13 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.
Ej Water Cooperative
IL0790010
Hard
226 PPMsurface water29,720 servedEstimated — Nearby Data
Effingham
IL0490250
Hard
226 PPMsurface water12,252 servedEstimated — Nearby Data
Heartville Pwd
IL0495200
Hard
226 PPMsurface water1,092 servedEstimated — Nearby Data
Robinson Correctional Center
IL0330010
Hard
228 PPMgroundwater1,085 servedEstimated — Nearby Data
Ej Water-Sangchris
IL1670230
Hard
228 PPMgroundwater1,025 servedEstimated — Nearby Data
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Dieterich, IL

What This Means For You

Recommendations are based on the displayed 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 Dieterich, IL.

Submit Your Data

Frequently Asked Questions

How hard is the water in Dieterich, IL?

The citywide weighted average water hardness in Dieterich, IL is 226 PPM (13.2 GPG), classified as hard. This is based on 13 matched water systems.

Do I need a water softener in Dieterich, IL?

With a citywide average hardness of 226 PPM, a water softener is recommended for homes in Dieterich. Confirm your tap reading before sizing equipment.

Is hard water in Dieterich, IL 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 Dieterich, IL?

Dieterich, Illinois is served by 13 matched water systems across 1 zip code.

Learn More About Your Water