Water Hardness Atlas ZIP / postcode

Water hardness in Hickory

1 gpg soft

Tap water in Hickory is soft: 1 gpg (16 mg/L · 0.9 °dH · 1.6 °fH).

<6060–120120–180>180 mg/L

Source: City of Hickory 2025 Annual Drinking Water Quality Report (2025) · data checked 2026-11-02

The City of Hickory's 2025 Annual Drinking Water Quality Report gives a hardness of 16.3 mg/L, which is soft. That is one of the lowest values in this batch. Scale is rarely a problem, and softeners are generally not needed.

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

Water data

Total hardness1 gpg
UtilityCity of Hickory Public Utilities

How Hickory 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 Hickory

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 Hickory water hard or soft?

It is soft: 16 mg/L as CaCO₃ (1 gpg, 0.9 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Hickory 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 Hickory water?

1 gpg, equal to 0.9 °dH, 1.6 °fH or 16 mg/L calcium carbonate.

What dishwasher salt setting should I use in Hickory?

For 16 mg/L (0.9 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Hickory?

No. With soft water a softener adds nothing.

Source

Source: City of Hickory 2025 Annual Drinking Water Quality Report (2025). Method: figure published by the water supplier. City of Hickory 2025 Annual Drinking Water Quality Report · Outdated figure? Tell us

Report an outdated or wrong figure