Jurupa Valley Water Hardness & Quality Report (2026)
Water Hardness
9.1 grains per gallon
Source
mixed
pH Level
8.1
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
451.9 mg/L
Est. Daily Cost
$0.42
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 Jurupa Valley, your appliances are currently losing 21% efficiency due to mineral buildup.
| Appliance | In Jurupa Valley | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.5 yrs | 8.5 yrs | -47% |
| Washing Machine | 7.8 yrs | 12 yrs | -35% |
| Water Heater | 9.4 yrs | 15 yrs | -37% |
Regional Water Comparison
How Jurupa Valley compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Jurupa Valley, California | 156 mg/L | 6.4 ppt | 🟠 Hard | mixed |
| Glen Avon, California | 124 mg/L | 5.5 ppt | 🟠 Hard | mixed |
| Pedley, California | 191.5 mg/L | 7.4 ppt | 🔴 Very Hard | mixed |
| Eastvale, California | 188.5 mg/L | 7.3 ppt | 🔴 Very Hard | mixed |
| Norco, California | 63 mg/L | 3.7 ppt | 🟡 Moderately Hard | mixed |
National Benchmark
How Jurupa Valley compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Jurupa Valley | 156 mg/L | 🟠 Moderate |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Jurupa Valley's Water Unique?
Local geology and source profile
Jurupa Valley, California, in Riverside County — a large Inland Empire city incorporated in 2011 along the Santa Ana River and Jurupa Mountains, one of the Inland Empire's fastest-growing municipalities encompassing the communities of Rubidoux, Glen Avon, and Pedley — receives its municipal water from the Jurupa Community Services District (JCSD) or Western Municipal Water District (WMWD), which draws from Metropolitan Water District of Southern California (MWD) imported supply and the local Chino Basin groundwater basin. The Inland Empire's water supply draws on both MWD import and regional groundwater management.
The moderately hard 156 mg/L hardness and TDS of 451.9 mg/L reflect the Inland Empire supply's characteristic harder Colorado River Aqueduct and local groundwater blend. MWD's Colorado River Aqueduct supply carries significant dissolved minerals from the Colorado Plateau's Permian evaporite and Paleozoic carbonate terrain, contributing moderately hard, higher-TDS water to the Inland Empire distribution system. The Chino Basin alluvial aquifer — a system of Quaternary alluvial fan deposits from the San Bernardino Mountains (granitic and metamorphic terrain) — adds locally derived groundwater with moderate dissolved minerals accumulated through alluvial fan transit. The JCSD and WMWD blend these sources for the Jurupa Valley service zone.
At 156 mg/L, Jurupa Valley's water is moderately hard — consistent with the Inland Empire supply profile. Scale builds in kettles and appliances over months, dishwashers benefit from rinse aid, and bathroom fixtures develop calcium deposits. Quarterly descaling of heating appliances is appropriate. The PFAS level of 6.4 ppt warrants a certified drinking water filter — the Inland Empire's extensive warehouse and logistics corridor along the 60/215 Freeway interchange, former March Air Reserve Base (now March Air Reserve Base-county airport), and the broader Riverside County military-industrial complex contribute to the Jurupa Valley PFAS profile.
Geology & Source: Jurupa Valley in Riverside County is served by the Jurupa Community Services District drawing from Metropolitan Water District (MWD) import and the Chino Basin groundwater — MWD's Colorado River Aqueduct blend and Chino Basin alluvial aquifer (Quaternary deposits from the San Bernardino Mountains) contribute elevated dissolved minerals — blended supply produces moderately hard water at 156 mg/L with TDS 452 mg/L in this Inland Empire city.