Why the range is wide
St. George uses multiple groundwater, spring and surface-water sources. The report explains that most customers receive a mixture during some of the year, so one number should not be presented as permanent citywide hardness.
What hard water changes
Hardness minerals can contribute to scale, spotting and soap-use differences. Hard water is not the same as unsafe water.
The official source
The City of St. George 2023 Drinking Water Quality Report covers monitoring through December 31, 2023 and provides city contacts for utility questions.
- Read the city report before accepting safety claims
- Test untreated water at the address
- Record grains per gallon or mg/L as CaCO3
- Retest after installation and program from the measured result
Straight answers
Common questions
Is St. George water hard?+
Yes. The city report describes Southern Utah sources as hard and provides a 13–24 gpg softener-setting range for customer consideration.
Does the city require a softener?+
No. Softening is a household choice for hardness-related performance, not a city safety mandate.