Water hardness in Huntington Park
13.1 gpg very hard
Tap water in Huntington Park is very hard: 13.1 gpg (224 mg/L · 12.5 °dH · 22.4 °fH).
Source: California SWRCB Division of Drinking Water, EDT lab results, system CA1910049 (2026-06) · data checked 2026-10-19
Range across supply zones: 203–235 mg/L.
The Huntington Park figure comes from State Water Resources Control Board lab results for the city's own water department, which serves only part of the city. The median of 8 results from 2022 to 2026, taken at 5 well points, is 224 mg/L as CaCO3 (13.1 gpg), with a range of 202.5 to 234.8 mg/L. Other suppliers cover the rest. This is very hard water.
USGS classes: soft 0–60, moderately hard 61–120, hard 121–180, very hard >180 mg/L.
Water data
| Total hardness | 13.1 gpg |
|---|---|
| Utility | Huntington Park-City, Water Dept. |
How Huntington Park compares
- Tap water in Huntington Park is 44 % harder than the median of the 1372 cities we track in the United States (9.1 gpg).
- By hardness it ranks 449 of 1372 in the United States (1 = hardest); 67 % of these cities have softer water.
- In California it is number 97 of 336 cities; the regional median is 9.5 gpg.
- Nearest city with clearly softer water: Bell Gardens, 6 km away (8.2 gpg).
- Nearest city with clearly harder water: Monterey Park, 11 km away (22.2 gpg).
Ranking of the hardest and softest water in the United States →
What it means at home
- Severe scale: heater elements and washing-machine heaters fail early.
- Detergent use is very high; taps and screens coat within days.
- Dishwasher at maximum salt setting.
- An ion-exchange softener is practically essential; RO for drinking water.
How much salt will you use for softening?
Yes. At this hardness a softener pays for itself through appliance life and detergent.
Descale a coffee machine or kettle about every 1 months (typical manufacturer guidance for this hardness).
Estimates for planning, not a quote. Check your appliance manual for exact settings.
Dishwasher setting in Huntington Park
| Brand | Setting for this water |
|---|---|
| Bosch | H04 |
| Miele | 13 °dH |
| AEG / Electrolux | 3 |
| Beko | 3rd |
| Hoover | S2 |
| 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 Huntington Park water hard or soft?
It is very hard: 224 mg/L as CaCO₃ (13.1 gpg, 12.5 °dH). The usual bands are soft < 60, moderately hard 60–120, hard 120–180 and very hard > 180 mg/L.
Is tap water in Huntington 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 Huntington Park water?
13.1 gpg, equal to 12.5 °dH, 22.4 °fH or 224 mg/L calcium carbonate.
What dishwasher salt setting should I use in Huntington Park?
For 224 mg/L (12.5 °dH) check your manufacturer's table: maximum level (5–7).
Do I need a water softener in Huntington Park?
Yes, unless you are only passing through: scale damages appliances within a few years.
Source
Source: California SWRCB Division of Drinking Water, EDT lab results, system CA1910049 (2026-06). Method: own measurement. California SWRCB Division of Drinking Water, EDT lab results, system CA1910049 · Outdated figure? Tell us