Water Hardness Atlas ZIP / postcode

Water hardness in North Little Rock

1.3 gpg soft

Tap water in North Little Rock is soft: 1.3 gpg (22 mg/L · 1.2 °dH · 2.2 °fH).

<6060–120120–180>180 mg/L

Source: Central Arkansas Water - 2014 Water Quality Report (2014) · data checked 2026-10-23

2 supply zones — hardness varies by neighbourhood; the figure above is the median.

Hardness by district / supply zone

gpgmg/L
Jack H. Wilson WTP1.322soft
Ozark Point WTP1.322soft

This figure is over 3 years old; hardness may have changed.

North Little Rock is served by Central Arkansas Water, from Lake Maumelle and Lake Winona in the Ouachita foothills. Forested watersheds on hard rock deliver few minerals, so the water is soft at 22.3 mg/L CaCO₃ across 2 supply zones. Scale is minimal. The figure dates from 2014 and may have changed.

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

Water data

Total hardness1.3 gpg
UtilityCentral Arkansas Water (serves North Little Rock and Little Rock)

How North Little Rock 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?

No. Water this soft does not need softening.

Descale a coffee machine or kettle about every 6 months (typical manufacturer guidance for this hardness).

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

Dishwasher setting in North Little Rock

BrandSetting for this water
BoschH00
Miele1 °dH
AEG / Electrolux1
Beko1st
HooverS0
LGH0

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 North Little Rock water hard or soft?

It is soft: 22 mg/L as CaCO₃ (1.3 gpg, 1.2 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in North Little Rock 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 North Little Rock water?

1.3 gpg, equal to 1.2 °dH, 2.2 °fH or 22 mg/L calcium carbonate.

What dishwasher salt setting should I use in North Little Rock?

For 22 mg/L (1.2 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in North Little Rock?

No. With soft water a softener adds nothing.

Source

Source: Central Arkansas Water - 2014 Water Quality Report (2014). Method: older figure, source currently unavailable. Central Arkansas Water - 2014 Water Quality Report · Outdated figure? Tell us

Nearby cities

Little Rock1.3 gpgMemphis2.8 gpgBartlett2.3 gpgSpringdale4.4 gpgRogers4.4 gpgSaddlebrooke13.4 gpg
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