La Verne Water Hardness & Quality Report (2026)
Water Hardness
3.1 grains per gallon
Source
mixed
pH Level
7.3
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
112.6 mg/L
Est. Daily Cost
$0.14
energy & soap waste
Source: USGS Water Quality Portal · Updated 2026
0–60
mg/L
Soft
61–120
mg/L
Moderately Hard
121–180
mg/L
Hard
180+
mg/L
Very Hard
Appliance Damage Report
In La Verne, your appliances are currently losing 7% efficiency due to mineral buildup.
| Appliance | In La Verne | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.9 yrs | 8.5 yrs | -7% |
| Washing Machine | 11.7 yrs | 12 yrs | -3% |
| Water Heater | 13.5 yrs | 15 yrs | -10% |
Regional Water Comparison
How La Verne compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ La Verne, California | 52.5 mg/L | 3.4 ppt | 🟢 Soft | mixed |
| San Dimas, California | 177 mg/L | 7 ppt | 🟠 Hard | mixed |
| Pomona, California | 178 mg/L | 7.1 ppt | 🟠 Hard | mixed |
| Claremont, California | 176.5 mg/L | 7 ppt | 🟠 Hard | mixed |
| Montclair, California | 38.5 mg/L | 3 ppt | 🟢 Soft | mixed |
National Benchmark
How La Verne compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ La Verne | 52.5 mg/L | 🟢 None |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes La Verne's Water Unique?
Local geology and source profile
La Verne, California, in Los Angeles County — a major San Gabriel Valley Inland Valley community (La Verne is a Foothill community at the base of the San Gabriel Mountains in the eastern San Gabriel Valley — a primarily residential community with a small-city character, adjacent to Claremont and Pomona), home of the University of La Verne (a significant private regional university in La Verne — serving the Inland Valley community with a range of academic programs), a diverse Los Angeles County community with a significant Hispanic-American, college student, and professional population, adjacent to the San Dimas Canyon and San Gabriel Mountains recreation area, and part of the Claremont–La Verne educational corridor (La Verne is adjacent to Claremont, home of the Claremont Colleges, one of the most prestigious liberal arts college consortia in the United States) — draws its municipal water supply via the Southern California Water Company. Water hardness in La Verne measures 52.5 mg/L — classified as very soft.
La Verne's very soft supply reflects the Foothill San Gabriel Valley supply zone's dominance of State Water Project supply. The Southern California Water Company La Verne district primarily distributes MWD State Water Project (Sierra Nevada Feather River — calcareous-poor granite, very soft) to the La Verne area. The dominant State Water Project produces the very soft 52.5 mg/L.
With hardness at 52.5 mg/L, La Verne residents enjoy very soft water. Southern California Water Company consistently delivers water meeting all California DDW and EPA Safe Drinking Water Act requirements.
Geology & Source: Mixed supply from the San Gabriel River (Baseline Feeder and MWD) via the La Verne Water Division (Southern California Water Company) — the Los Angeles County Inland Valley La Verne corridor (Sierra Nevada calcareous-poor State Water Project dominant — the San Gabriel Valley La Verne zone; LADWP–SoCal Water Inland Valley distribution zone primarily State Water Project very soft supply); very soft supply at 52.5 mg/L in Los Angeles County.