Water hardness in La Grange Park
8 gpg hard
Tap water in La Grange Park is hard: 8 gpg (137 mg/L · 7.7 °dH · 13.7 °fH).
Source: Village of La Grange Park FAQ: hardness of Village tap water (2026) · data checked 2026-10-29
The Village of La Grange Park buys its water from the Brookfield-North Riverside Water Commission, which in turn is supplied from Chicago. The village FAQ reports hardness of 137 mg/L as CaCO₃, which falls in the hard class. The village publishes one figure, not a range, so values at individual taps may differ slightly.
USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.
Water data
| Total hardness | 8 gpg |
|---|---|
| Utility | Village of La Grange Park (water from Brookfield-North Riverside Water Commission / Chicago) |
How La Grange Park compares
- Tap water in La Grange Park is 12 % softer than the median of the 1372 cities we track in the United States (9.1 gpg).
- By hardness it ranks 791 of 1372 in the United States (1 = hardest); 42 % of these cities have softer water.
- In Illinois it is number 6 of 14 cities; the regional median is 8 gpg.
Ranking of the hardest and softest water in the United States →
What it means at home
- Fast scale on taps, shower screens and kettle; white spots on glassware.
- Water heater: efficiency loss and element failures within years if unprotected.
- Dry skin and dull hair after showering are common.
- Softener recommended; jug or reverse osmosis for drinking.
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 La Grange Park
| Brand | Setting for this water |
|---|---|
| Bosch | H01 |
| Miele | 8 °dH |
| AEG / Electrolux | 2 |
| Beko | 2nd |
| Hoover | S1 |
| LG | H2 |
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 La Grange Park water hard or soft?
It is hard: 137 mg/L as CaCO₃ (8 gpg, 7.7 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in La Grange Park 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 La Grange Park water?
8 gpg, equal to 7.7 °dH, 13.7 °fH or 137 mg/L calcium carbonate.
What dishwasher salt setting should I use in La Grange Park?
For 137 mg/L (7.7 °dH) check your manufacturer's table: level 4–5.
Do I need a water softener in La Grange Park?
Recommended if you have a water heater, boiler or tankless unit: it saves repairs and detergent.
Source
Source: Village of La Grange Park FAQ: hardness of Village tap water (2026). Method: figure published by the water supplier. Village of La Grange Park FAQ: hardness of Village tap water · Outdated figure? Tell us