Water Hardness Atlas ZIP / postcode

Water hardness in Blue Springs

7.2 gpg hard

Tap water in Blue Springs is hard: 7.2 gpg (123 mg/L · 6.9 °dH · 12.3 °fH).

<6060–120120–180>180 mg/L

Source: City of Blue Springs Water Quality Report (2024) · data checked 2026-10-20

The City of Blue Springs' water quality report (2024) lists calcium at 16.4 mg/L and magnesium at 19.9 mg/L. We computed hardness from these: 123 mg/L (about 7.2 gpg), which is hard. The report gives a single value, so day-to-day readings may vary. Expect some scale on kettles and water heaters, and consider a softener.

USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.

Water data

Total hardness7.2 gpg
Calcium (mg/L)16.4
Magnesium (mg/L)19.9
UtilityCity of Blue Springs Water (PWSID MO1010080)

How Blue Springs compares

Ranking of the hardest and softest water in the United States →

What it means at home

How much salt will you use for softening?

Recommended, especially with a heater or boiler: scale cuts efficiency and shortens its life.

Descale a coffee machine or kettle about every 2 months (typical manufacturer guidance for this hardness).

Estimates for planning, not a quote. Check your appliance manual for exact settings.

Dishwasher setting in Blue Springs

BrandSetting for this water
BoschH01
Miele7 °dH
AEG / Electrolux2
Beko2nd
HooverS1
LGH2

From each brand's manual for the model family named in the source; your model may differ, so check its manual. All brands and how to change the setting →

FAQ

Is Blue Springs water hard or soft?

It is hard: 123 mg/L as CaCO₃ (7.2 gpg, 6.9 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Blue Springs safe to drink?

Hardness is not a health issue; it is about limescale, taste and appliances. Mains water must meet national drinking-water standards. USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.

How many grains per gallon is Blue Springs water?

7.2 gpg, equal to 6.9 °dH, 12.3 °fH or 123 mg/L calcium carbonate.

What dishwasher salt setting should I use in Blue Springs?

For 123 mg/L (6.9 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in Blue Springs?

Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.

Source

Source: City of Blue Springs Water Quality Report (2024). Method: computed from supplier's calcium and magnesium. City of Blue Springs Water Quality Report · Outdated figure? Tell us

Nearby cities

Independence8 gpgLee’s Summit7.2 gpgOrrick7.6 gpgKansas City16.4 gpgOverland Park7.9 gpgMerriam7.9 gpg
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