La Quinta Water Hardness & Quality Report (2026)
Water Hardness
3 grains per gallon
Source
mixed
pH Level
7.3
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
107 mg/L
Est. Daily Cost
$0.13
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 Quinta, your appliances are currently losing 7% efficiency due to mineral buildup.
| Appliance | In La Quinta | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.9 yrs | 8.5 yrs | -7% |
| Washing Machine | 11.7 yrs | 12 yrs | -3% |
| Water Heater | 13.6 yrs | 15 yrs | -9% |
Regional Water Comparison
How La Quinta compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ La Quinta, California | 50.5 mg/L | 3.3 ppt | 🟢 Soft | mixed |
| Palm Desert, California | 118.5 mg/L | 5.3 ppt | 🟡 Moderately Hard | mixed |
| Indio, California | 84.5 mg/L | 4.3 ppt | 🟡 Moderately Hard | mixed |
| Rancho Mirage, California | 133 mg/L | 5.7 ppt | 🟠 Hard | mixed |
| Coachella, California | 44 mg/L | 3.1 ppt | 🟢 Soft | mixed |
National Benchmark
How La Quinta compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ La Quinta | 50.5 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 Quinta's Water Unique?
Local geology and source profile
La Quinta, California, in Riverside County in the Coachella Valley — a major Coachella Valley resort and residential community, home of La Quinta Resort and Club (a landmark California desert resort since 1926, winter retreat of Hollywood's Golden Age stars), home of the Coachella Valley Music and Arts Festival (Coachella, one of the most attended music festivals in the world, held at the Empire Polo Club just outside La Quinta), and a rapidly growing Coachella Valley luxury community adjacent to Indio and Palm Desert — draws its municipal water supply from the CVWD Coachella Valley Basin via the City of La Quinta Water Division. Water hardness in La Quinta measures 50.5 mg/L — classified as very soft.
La Quinta's very soft supply — exceptionally soft for a desert Southern California community — reflects the Coachella Valley Water District's advanced treatment. The CVWD replenishes the Coachella Valley alluvial aquifer with Colorado River water via recharge basins at the Whitewater River spreading grounds, and applies reverse osmosis and advanced treatment to produce high-quality drinking water. Despite the Colorado River's inherent hardness (~280–310 mg/L) and the calcareous Coachella Valley basin-fill aquifer geology, CVWD's advanced treatment reduces hardness to the exceptional 50.5 mg/L.
With hardness at 50.5 mg/L, La Quinta residents enjoy very soft water despite the desert environment. CVWD consistently delivers water meeting all California SWRCB and EPA Safe Drinking Water Act requirements.
Geology & Source: Groundwater from the Coachella Valley Water District (CVWD) Colorado River recharge basin via the City of La Quinta Water Division — the Riverside County east Coachella Valley (Quaternary–Tertiary calcareous basin-fill alluvium from San Jacinto and Santa Rosa Mountains; CVWD Colorado River recharge, effective treatment); very soft supply at 50.5 mg/L — reflecting CVWD's effective advanced treatment in the La Quinta zone.