Water Hardness Atlas ZIP / postcode

Water hardness in Bangor

14.8 gpg very hard

Tap water in Bangor is very hard: 14.8 gpg (254 mg/L · 14.2 °dH · 25.4 °fH).

<6060–120120–180>180 mg/L

Source: Wisconsin DNR Drinking Water System portal (Bangor Waterworks) (2026) · data checked 2026-10-20

Range across supply zones: 252–256 mg/L.

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

Water data

Total hardness14.8 gpg
UtilityBangor Waterworks

How Bangor 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?

Yes. At this hardness a softener pays for itself through appliance life and detergent.

Descale a coffee machine or kettle about every 1 months (typical manufacturer guidance for this hardness).

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

Dishwasher setting in Bangor

BrandSetting for this water
BoschH04
Miele14 °dH
AEG / Electrolux3
Beko4th
HooverS2
LGH3

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 Bangor water hard or soft?

It is very hard: 254 mg/L as CaCO₃ (14.8 gpg, 14.2 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Bangor 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 Bangor water?

14.8 gpg, equal to 14.2 °dH, 25.4 °fH or 254 mg/L calcium carbonate.

What dishwasher salt setting should I use in Bangor?

For 254 mg/L (14.2 °dH) check your manufacturer's table: maximum level (5–7).

Do I need a water softener in Bangor?

Yes, unless you are only passing through: scale damages appliances within a few years.

Source

Source: Wisconsin DNR Drinking Water System portal (Bangor Waterworks) (2026). Method: figure published by the water supplier. Wisconsin DNR Drinking Water System portal (Bangor Waterworks) · Outdated figure? Tell us

Nearby cities

Rockland14.6 gpgWest Salem14.4 gpgSparta9.3 gpgOnalaska20.5 gpgLa Crosse20 gpgCoon Valley11.7 gpg
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