Water hardness in Lynbrook
1.7 gpg soft
Tap water in Lynbrook is soft: 1.7 gpg (29 mg/L · 1.6 °dH · 2.9 °fH).
Source: Liberty Lynbrook Annual Water Quality Report 2023 (NY2902835) (2023) · data checked 2026-11-02
Range across supply zones: 4–55 mg/L.
Lynbrook is served by Liberty (NY American Water), and its 2023 report gives a computed median of 29.1 mg/L. Individual samples ranged from 3.5 to 54.8 mg/L, so readings vary quite a bit. Water this soft rarely leaves heavy scale, and a softener is usually unnecessary.
USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.
Water data
| Total hardness | 1.7 gpg |
|---|---|
| Utility | Liberty (NY American Water) Lynbrook |
How Lynbrook compares
- Tap water in Lynbrook is 81 % softer than the median of the 1372 cities we track in the United States (9.1 gpg).
- By hardness it ranks 1283 of 1372 in the United States (1 = hardest); 6 % of these cities have softer water.
- In New York it is number 13 of 16 cities; the regional median is 5.2 gpg.
Ranking of the hardest and softest water in the United States →
What it means at home
- Little or no limescale in kettles, water heaters or washing machines.
- Soap lathers easily; water does not dry skin or hair.
- Dishwasher: salt setting at minimum or off.
- No softener needed; a jug filter only changes taste.
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 Lynbrook
| Brand | Setting for this water |
|---|---|
| Bosch | H00 |
| Miele | 2 °dH |
| AEG / Electrolux | 1 |
| Beko | 1st |
| Hoover | S0 |
| LG | H0 |
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 Lynbrook water hard or soft?
It is soft: 29 mg/L as CaCO₃ (1.7 gpg, 1.6 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Lynbrook 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 Lynbrook water?
1.7 gpg, equal to 1.6 °dH, 2.9 °fH or 29 mg/L calcium carbonate.
What dishwasher salt setting should I use in Lynbrook?
For 29 mg/L (1.6 °dH) check your manufacturer's table: level 0–1, usually no salt.
Do I need a water softener in Lynbrook?
No. With soft water a softener adds nothing.
Source
Source: Liberty Lynbrook Annual Water Quality Report 2023 (NY2902835) (2023). Method: computed from supplier's calcium and magnesium. Liberty Lynbrook Annual Water Quality Report 2023 (NY2902835) · Outdated figure? Tell us