Water Hardness Atlas ZIP / postcode

Water hardness in West Linn

2.1 gpg soft

Tap water in West Linn is soft: 2.1 gpg (36 mg/L · 2 °dH · 3.6 °fH).

<6060–120120–180>180 mg/L

Source: City of West Linn 2024 Consumer Confidence Report (2024) · data checked 2026-11-02

West Linn's water comes from the South Fork Water Board, from the Clackamas River. The 2024 report lists hardness at 36 mg/L as CaCO3, which is soft. Soft water means little scale, so softener salt is rarely a consideration here.

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

Water data

Total hardness2.1 gpg
UtilityCity of West Linn (water from South Fork Water Board, Clackamas River)

How West Linn 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 West Linn

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 West Linn water hard or soft?

It is soft: 36 mg/L as CaCO₃ (2.1 gpg, 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 West Linn 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 West Linn water?

2.1 gpg, equal to 2 °dH, 3.6 °fH or 36 mg/L calcium carbonate.

What dishwasher salt setting should I use in West Linn?

For 36 mg/L (2 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in West Linn?

No. With soft water a softener adds nothing.

Source

Source: City of West Linn 2024 Consumer Confidence Report (2024). Method: figure published by the water supplier. City of West Linn 2024 Consumer Confidence Report · Outdated figure? Tell us

Report an outdated or wrong figure