Water Hardness Atlas ZIP / postcode

Water hardness in Baton Rouge

3 gpg soft

Tap water in Baton Rouge is soft: 3 gpg (52 mg/L · 2.9 °dH · 5.2 °fH).

<6060–120120–180>180 mg/L

Source: Baton Rouge Water Company 2025 Consumer Confidence Report (2025) · data checked 2026-10-19

Baton Rouge Water Company's 2025 report lists total hardness as CaCO3 of 52 mg/L (3.0 gpg) from one sample taken on 29 October 2025. With a single sample, treat it as a snapshot rather than an annual average. The water is soft, and scale is minor.

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

Water data

Total hardness3 gpg
UtilityBaton Rouge Water Company

How Baton Rouge 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 Baton Rouge

BrandSetting for this water
BoschH00
Miele3 °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 Baton Rouge water hard or soft?

It is soft: 52 mg/L as CaCO₃ (3 gpg, 2.9 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.

Is tap water in Baton Rouge 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 Baton Rouge water?

3 gpg, equal to 2.9 °dH, 5.2 °fH or 52 mg/L calcium carbonate.

What dishwasher salt setting should I use in Baton Rouge?

For 52 mg/L (2.9 °dH) check your manufacturer's table: level 0–1, usually no salt.

Do I need a water softener in Baton Rouge?

No. With soft water a softener adds nothing.

Source

Source: Baton Rouge Water Company 2025 Consumer Confidence Report (2025). Method: figure published by the water supplier. Baton Rouge Water Company 2025 Consumer Confidence Report · Outdated figure? Tell us

Nearby cities

New Orleans8.1 gpgLake Charles4.7 gpgMobile2.6 gpgFairhope0.4 gpgGalveston7.4 gpgLeague City7.2 gpg
Report an outdated or wrong figure