Yucaipa Water Hardness & Quality Report (2026)
Water Hardness
4.8 grains per gallon
Source
mixed
pH Level
7.5
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
196 mg/L
Est. Daily Cost
$0.22
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 Yucaipa, your appliances are currently losing 11% efficiency due to mineral buildup.
| Appliance | In Yucaipa | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.9 yrs | 8.5 yrs | -19% |
| Washing Machine | 10.5 yrs | 12 yrs | -13% |
| Water Heater | 12.3 yrs | 15 yrs | -18% |
Regional Water Comparison
How Yucaipa compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Yucaipa, California | 83 mg/L | 4.2 ppt | 🟡 Moderately Hard | mixed |
| Beaumont, California | 159.5 mg/L | 6.5 ppt | 🟠 Hard | mixed |
| Redlands, California | 179 mg/L | 7.1 ppt | 🟠 Hard | mixed |
| Highland, California | 83.5 mg/L | 4.3 ppt | 🟡 Moderately Hard | mixed |
| Banning, California | 92 mg/L | 4.5 ppt | 🟡 Moderately Hard | mixed |
National Benchmark
How Yucaipa compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Yucaipa | 83 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Yucaipa's Water Unique?
Local geology and source profile
Yucaipa, California, in San Bernardino County in the San Gorgonio Valley at the base of the San Bernardino Mountains adjacent to Redlands — a major Inland Empire foothill community known for Yucaipa Regional Park and the adjacent Crafton Hills, a growing bedroom community for the Redlands–San Bernardino metro area — draws its municipal water supply from the Yucaipa Valley Groundwater Basin and State Water Project (SWP) imports via the Yucaipa Valley Water District. Water hardness in Yucaipa measures 83 mg/L — classified as moderately soft.
Yucaipa's moderate softness — notably softer than nearby Riverside and much of the Inland Empire — reflects the Yucaipa Valley's substantial SWP import dilution and the local San Bernardino Mountains recharge. The Yucaipa Valley Groundwater Basin (Quaternary alluvial fan deposits from Wilson Creek and Oak Glen Creek — draining the San Bernardino Mountains San Gorgonio Wilderness and Crafton Hills) receives: State Water Project Bay-Delta imports through YVWD percolation facilities (soft SWP water, approximately 50–100 mg/L); and local mountain recharge from the San Bernardino Mountains granitic batholith (San Bernardino batholith granite — calcium-poor crystalline recharge). The combined SWP import and soft granitic mountain recharge produces the moderate 83 mg/L at Yucaipa.
With hardness at 83 mg/L, Yucaipa residents enjoy moderately soft water for an Inland Empire community. Yucaipa Valley Water District consistently delivers water meeting all California SWRCB and EPA Safe Drinking Water Act requirements.
Geology & Source: Mixed groundwater from the Yucaipa Valley Groundwater Basin and State Water Project (SWP) import via the Yucaipa Valley Water District — the San Bernardino County Yucaipa Valley Quaternary alluvial aquifer at the San Bernardino Mountains–Crafton Hills interface; moderately soft supply at 83 mg/L in San Bernardino County.