Water Hardness Atlas ZIP / postcode

Water hardness in Northport

2.5 gpg soft

Tap water in Northport is soft: 2.5 gpg (42 mg/L · 2.4 °dH · 4.2 °fH).

<6060–120120–180>180 mg/L

Source: City of Northport 2024 Annual Water Quality Report (2024) · data checked 2026-11-02

Northport Water Works reports hardness of 42.2 mg/L as CaCO₃ in its 2024 annual water quality report. That is soft water. The report shows one value, not a range, so small variations are possible. Scale is minimal at this level, and a softener is not usually needed.

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

Water data

Total hardness2.5 gpg
UtilityNorthport Water Works

How Northport 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 Northport

BrandSetting for this water
BoschH00
Miele2 °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 Northport water hard or soft?

It is soft: 42 mg/L as CaCO₃ (2.5 gpg, 2.4 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Northport 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 Northport water?

2.5 gpg, equal to 2.4 °dH, 4.2 °fH or 42 mg/L calcium carbonate.

What dishwasher salt setting should I use in Northport?

For 42 mg/L (2.4 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Northport?

No. With soft water a softener adds nothing.

Source

Source: City of Northport 2024 Annual Water Quality Report (2024). Method: figure published by the water supplier. City of Northport 2024 Annual Water Quality Report · Outdated figure? Tell us

Report an outdated or wrong figure