Water Hardness in Godfrey, IL
Illinois · 1 zip codes · 25 matched water systems
City avg (weighted): 315 PPM
Dataset updated March 9, 202625 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology
Is Godfrey, IL Water Hard or Soft?
The displayed hardness for Godfrey, IL is 148 PPM (8.7 GPG) from Il American-Homer Township, classified as moderately hard. The citywide weighted average is 315 PPM.
Water hardness is not a drinking-water safety score. It measures calcium and magnesium minerals, and address-level results can shift by pressure zone, supply blend, building plumbing, or private well.
How this city reading is built
This city reading is a weighted rollup across 25 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.
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 Godfrey
These systems are matched to Godfrey, IL. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.
| Water System | Source | Hardness | Pop. Served |
|---|---|---|---|
| Il American-East St Louis IL1635040 | surface water | 207 PPM Hard | |
| Il American-Alton IL1195150 | surface water | 207 PPM Hard | |
| Collinsville IL1194280 | groundwater | 501 PPM Very Hard | |
| Il American-Granite City IL1195030 | surface water | 207 PPM Hard | |
| Edwardsville IL1190250 | groundwater | 501 PPM Very Hard |
Zip Codes in Godfrey, IL
What This Means For You
Use this city reading as a local planning estimate, not a final treatment specification. Hardness can vary by utility zone, seasonal blend, private well, and building plumbing. Confirm your tap reading with a utility report or home hardness test before sizing 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 Godfrey, IL.
Frequently Asked Questions
How hard is the water in Godfrey, IL?
The citywide weighted average water hardness in Godfrey, IL is 315 PPM (18.4 GPG), classified as very hard. This is based on 25 matched water systems. The gauge highlights Il American-Homer Township, a verified treated-water system, because individual systems can differ from the citywide average.
Do I need a water softener in Godfrey, IL?
With a citywide average hardness of 315 PPM, a water softener is recommended for homes in Godfrey. Confirm your tap reading before sizing equipment.
Is hard water in Godfrey, 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 Godfrey, IL?
Godfrey, Illinois is served by 25 matched water systems across 1 zip code.
Learn More About Your Water
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