Hard water in Salina, KS
County estimate from 329 water samples in Saline County · July 2026
- KS typical
- 138 mg/L
- EPA health violations since 2016
- 0
- Softener for 3 people
- 32k grain
- Data
- County estimate
Water samples from around Salina put hardness at about 330 mg/L (19.3 gpg), which would be very hard on the USGS scale. Treat this as a rough guide: it is the median of 329 samples taken across Saline County, mostly wells and streams, not a test of Salina's treated tap water. One more reason for caution: EPA lists Salina's water system as using surface water, which is often softer than the wells behind the county figure.
At 330 mg/L, Salina is 192 mg/L above the typical Kansas figure of 138. Of the 10 nearest cities we track, 8 have softer water and 2 have harder. The range nearby runs from 103 mg/L in Manhattan to 395 in Great Bend.
What 330 mg/L means at home
Scale forms fast here. Kettles and coffee makers need regular descaling, and showerheads clog unless you clean them.
Tank water heaters collect mineral sediment that insulates the water from the burner, so flushing the tank matters more than usual.
Dishes and glass shower doors spot easily. Soap scum and a dull film on hair or laundry are common complaints.
Hardness is not a health problem, and EPA sets no limit for it. It is a matter of scale and soap.
What to do about it
At 330 mg/L most of the trouble is scale, and only a few things deal with it.
Ion-exchange water softener
The standard whole-house fix. It swaps calcium and magnesium for sodium or potassium and needs salt plus a drain. Size it with the calculator below.
Salt-free conditioner
No salt and no drain line. It changes how minerals form scale instead of removing them, so water still tests hard.
Reverse osmosis or carbon filter
Under-sink reverse osmosis removes minerals from drinking water only. Plain carbon filters improve taste but do not soften.
3 people × 75 gallons a day × 19.3 gpg = 4,342 grains a day. A 32,000-grain unit regenerates about every 7 days.
EPA record for Salina's water system
No health-based violations since 2016
Serves about 46,481 people from surface water.
- Health-based
- 0
- Monitoring or reporting
- 1
- Open now
- 0
EPA lists this system as serving Salina.
Health-based means a contaminant above its legal limit or a missed treatment step. Monitoring and reporting violations are late or missing tests and notices. Source: EPA ECHO, 2026Q3 export, violations with periods starting 2016 or later. Full EPA record.
Questions
Is Salina water hard?
Yes. It measures about 330 mg/L (19.3 grains per gallon), which the USGS classes as very hard.
What is the water hardness in Salina in grains per gallon?
About 19.3 gpg. One grain per gallon equals 17.1 mg/L, so 330 mg/L divided by 17.1 gives 19.3.
What size water softener do I need in Salina?
For 3 people using 75 gallons each per day, 19.3 gpg works out to about 4,342 grains a day. A 32,000-grain softener covers that with a regeneration about every 7 days.
Has the Salina water system had EPA violations?
EPA records show no health-based violations for Salina, City of since 2016. There were also 1 monitoring or reporting violation, which are about late or missing tests and notices.
Nearby cities
- McPherson363 mg/LVery hard
- Junction City168 mg/LHard
- Fort Riley140 mg/LHard
- Newton260 mg/LVery hard
- Manhattan103 mg/LModerately hard
- Valley Center133 mg/LHard
- Park City138 mg/LHard
- Great Bend395 mg/LVery hard
- Wichita138 mg/LHard
- Goddard268 mg/LVery hard
Hardness data: TapWaterData US Water Hardness (county estimate, July 4, 2026), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.