Water Hardness Atlas ZIP / postcode

Water hardness in East Grand Rapids

8.3 gpg hard

Tap water in East Grand Rapids is hard: 8.3 gpg (142 mg/L · 8 °dH · 14.2 °fH).

<6060–120120–180>180 mg/L

Source: City of Grand Rapids 2025 Average Water Analysis (Lake Michigan Filtration Plant) (2025) · data checked 2026-11-03

Range across supply zones: 126–164 mg/L.

Regional indicative value, not measured in East Grand Rapids. We will replace it with the supplier's official figure.

This is a regional estimate, not a measurement taken in East Grand Rapids. The city buys water from the City of Grand Rapids, so we use Grand Rapids' 2025 average analysis from its Lake Michigan filtration plant: 142 mg/L (8.3 gpg), with a range of 126 to 164 mg/L (7.4 to 9.6 gpg). Check the East Grand Rapids utility for local figures.

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

Water data

Total hardness8.3 gpg
UtilityCity of East Grand Rapids (distribution); supply wholesale from City of Grand Rapids Water System

How East Grand Rapids 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 East Grand Rapids

BrandSetting for this water
BoschH01
Miele8 °dH
AEG / Electrolux2
Beko3rd
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 East Grand Rapids water hard or soft?

It is hard: 142 mg/L as CaCO₃ (8.3 gpg, 8 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in East Grand Rapids 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 East Grand Rapids water?

8.3 gpg, equal to 8 °dH, 14.2 °fH or 142 mg/L calcium carbonate.

What dishwasher salt setting should I use in East Grand Rapids?

For 142 mg/L (8 °dH) check your manufacturer's table: level 4–5.

Do I need a water softener in East Grand Rapids?

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

Source

Source: City of Grand Rapids 2025 Average Water Analysis (Lake Michigan Filtration Plant) (2025). Method: regional estimate — pending supplier confirmation. City of Grand Rapids 2025 Average Water Analysis (Lake Michigan Filtration Plant) · Outdated figure? Tell us

Nearby cities

Grand Rapids8.3 gpgKentwood8.7 gpgWyoming8.8 gpgLansing, MI5.8 gpgSouth Bend22 gpgFlint5.8 gpg
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