Pedley Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
mixed
pH Level
8.3
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
604.9 mg/L
Est. Daily Cost
$0.40
energy & soap waste
Source: See methodology section below · 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 Pedley, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Pedley | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.8 yrs | 8.5 yrs | -20% |
| Washing Machine | 9.6 yrs | 12 yrs | -20% |
| Water Heater | 12 yrs | 15 yrs | -20% |
Regional Water Comparison
How Pedley compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Pedley, California | ≈ 120–179 mg/L | 7.4 ppt | 🟠 Hard | mixed |
| Glen Avon, California | ≈ 120–179 mg/L | 5.5 ppt | 🟠 Hard | mixed |
| Jurupa Valley, California | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | reservoir |
| Rubidoux, California | ≈ 120–179 mg/L | 6.8 ppt | 🟠 Hard | mixed |
| Riverside, California | ≈ 120–179 mg/L | 10 ppt | 🟠 Hard | mixed |
National Benchmark
How Pedley compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Pedley | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Pedley's Water Unique?
Local geology and source profile
Pedley, California, an unincorporated community in Riverside County, gets its water from the Western Municipal Water District and local groundwater providers like Sunnyslope County Water District. The water comes from two main sources: groundwater drawn from the Chino Basin aquifer and imported surface water from the Colorado River, delivered by the Metropolitan Water District of Southern California. These supplies are treated and blended at local facilities before being distributed throughout Riverside County communities east of Los Angeles.
The Chino Basin aquifer, located in the Pomona Valley groundwater basin, is primarily composed of Quaternary alluvium, featuring interbedded sands and gravels that lie atop semi-consolidated Pleistocene deposits. The geological makeup of the surrounding mountain watersheds, including Mesozoic and Cenozoic sedimentary rocks, contains significant carbonate layers. As rainwater and surface runoff interact with these mineral-rich formations, they dissolve calcium and magnesium, leading to a hard water supply.
With a typical pH between 7.5 and 8.5, the water's hardness can lead to noticeable scale buildup on fixtures, pipes, and heating elements. This accumulation reduces the efficiency of appliances like water heaters, dishwashers, and washing machines, potentially causing them to last a shorter time. You might also find white deposits on faucets and notice that laundry detergents don't lather as effectively, sometimes leaving spots on glassware. To combat these issues and extend the life of your plumbing and appliances, consider regular descaling with vinegar, installing a scale-inhibiting filter, or investing in a water softener, which is especially recommended for very hard conditions.
Geology & Source: Chino Basin aquifer; Quaternary alluvial deposits including sands, gravels, silts, and clays; limestone, dolomite, and carbonate-rich rocks contribute to hardness
Other California Water Reports
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Frequently Asked Questions
Is Pedley's water safe to drink?
Do I need a water softener in Pedley?
How does Pedley compare to the USA average?
Data Sources & Methodology
Water quality data for Pedley is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.
Water Hardness
Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.
pH
Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.
TDS — Total Dissolved Solids
Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.
PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances
EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.
Lead
Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.
Appliance Lifespan
Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.