Adelanto Water Hardness & Quality Report (2026)
Water Hardness
11 grains per gallon
Source
mixed
pH Level
8.3
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
591.1 mg/L
Est. Daily Cost
$0.50
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 Adelanto, your appliances are currently losing 25% efficiency due to mineral buildup.
| Appliance | In Adelanto | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 3.4 yrs | 8.5 yrs | -60% |
| Washing Machine | 6.6 yrs | 12 yrs | -45% |
| Water Heater | 8.1 yrs | 15 yrs | -46% |
Regional Water Comparison
How Adelanto compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Adelanto, California | 188.5 mg/L | 7.3 ppt | 🔴 Very Hard | mixed |
| Victorville, California | 104 mg/L | 4.9 ppt | 🟡 Moderately Hard | mixed |
| Hesperia, California | 64.5 mg/L | 3.7 ppt | 🟡 Moderately Hard | mixed |
| Phelan, California | 63 mg/L | 3.7 ppt | 🟡 Moderately Hard | mixed |
| Apple Valley, California | 149.5 mg/L | 6.2 ppt | 🟠 Hard | mixed |
National Benchmark
How Adelanto compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Adelanto | 188.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Adelanto's Water Unique?
Local geology and source profile
Adelanto, California, in San Bernardino County — a major High Desert San Bernardino County community (Adelanto is in the Victor Valley High Desert — one of the fastest-growing communities in California from the 1990s through 2000s, driven by inexpensive housing costs and proximity to Los Angeles via the I-15 corridor; Adelanto has one of the largest private prison complexes in California), a diverse San Bernardino County community with a significant Hispanic-American, African-American, and working-class population, adjacent to the major US Army logistics installation at Fort Irwin (National Training Center) in the Mojave, and home of a significant solar and renewable energy development corridor — draws its municipal water supply via the Mojave Water Agency. Water hardness in Adelanto measures 188.5 mg/L — classified as very hard.
Adelanto's very hard supply reflects the Mojave Desert High Desert basin's highly calcareous and evaporite-influenced geology. The Mojave River alluvial basin at Adelanto–San Bernardino County draws from: the Quaternary Mojave River alluvium (calcareous-moderate alluvial aquifer); and the Pleistocene High Desert playa lake deposits (calcareous evaporite — gypsum and carbonate deposits in the Mojave Desert inland basin). The combined supply produces the very hard 188.5 mg/L.
At 188.5 mg/L, Adelanto residents face significant hard water challenges. Regular descaling and water softeners are recommended. Adelanto City Water Department consistently delivers water meeting all California DDW and EPA Safe Drinking Water Act requirements.
Geology & Source: Mixed supply from the Mojave River Groundwater Basin and State Water Project via the Mojave Water Agency — the San Bernardino County High Desert Adelanto corridor (Quaternary calcareous-moderate Mojave River alluvial aquifer and Pleistocene calcareous evaporite-influenced High Desert basin — the calcareous San Bernardino High Desert; Mojave aquifer with evaporite influence); very hard supply at 188.5 mg/L in San Bernardino County.