Hard water in St. Anthony, MN

Tap water hardness
254mg/L
14.8gpg
Very hard

Reported by Saint Anthony Village · June 2025

MN typical
160 mg/L
EPA health violations since 2016
0
Softener for 3 people
24k grain
Data
Utility report

St. Anthony water measures 254 mg/L (14.8 gpg) of hardness, very hard by USGS standards. The number comes from Saint Anthony Village, dated June 2025.

St. Anthony on the hardness scale, with nearby cities
060120180240300360+MN typical 160Maplewood: 56 mg/LMaplewood 56Roseville: 78 mg/LRoseville 78Brooklyn Center: 79 mg/LBrooklyn Center 79St. Paul: 82 mg/LSt. Paul 82Minneapolis: 89 mg/LMinneapolis 89Golden Valley: 90 mg/LGolden Valley 90Brooklyn Park: 120 mg/LBrooklyn Park 120Shoreview: 192 mg/LShoreview 192Robbinsdale: 201 mg/LRobbinsdale 201New Brighton: 230 mg/LNew Brighton 230St. Anthony 254mg/L as calcium carbonate060120180240300360+MN 160Roseville: 78 mg/LRoseville 78Brooklyn Center: 79 mg/LBrooklyn C. 79Minneapolis: 89 mg/LMinneapolis 89Shoreview: 192 mg/LShoreview 192Robbinsdale: 201 mg/LRobbinsdale 201New Brighton: 230 mg/LNew Bright. 230254 mg/Lmg/L as calcium carbonate
Soft 0–60 mg/LModerately hard 61–120 mg/LHard 121–180 mg/LVery hard 181+ mg/L

At 254 mg/L, St. Anthony is 94 mg/L above the typical Minnesota figure of 160. None of the 10 nearest cities we track has harder water. The range nearby runs from 56 mg/L in Maplewood to 230 in New Brighton.

What 254 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 254 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.

Softener size for St. Anthony

3 people × 75 gallons a day × 14.8 gpg = 3,341 grains a day. A 24,000-grain unit regenerates about every 7 days.

Size it for your household

EPA record for St. Anthony's water system

Saint Anthony Village · PWSID MN1270048

No health-based violations since 2016

Serves about 9,500 people from groundwater.

Health-based
0
Monitoring or reporting
0
Open now
0

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 St. Anthony water hard?

Yes. It measures about 254 mg/L (14.8 grains per gallon), which the USGS classes as very hard.

What is the water hardness in St. Anthony in grains per gallon?

About 14.8 gpg. One grain per gallon equals 17.1 mg/L, so 254 mg/L divided by 17.1 gives 14.8.

What size water softener do I need in St. Anthony?

For 3 people using 75 gallons each per day, 14.8 gpg works out to about 3,341 grains a day. A 24,000-grain softener covers that with a regeneration about every 7 days.

Has the St. Anthony water system had EPA violations?

EPA records show no health-based violations for Saint Anthony Village since 2016.

Nearby cities

All 57 cities in Minnesota

Hardness data: TapWaterData US Water Hardness (utility report, June 10, 2025), CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.