Camarillo 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
110.7 mg/L
Est. Daily Cost
$0.14
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 Camarillo, your appliances are currently losing 7% efficiency due to mineral buildup.
| Appliance | In Camarillo | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.9 yrs | 8.5 yrs | -7% |
| Washing Machine | 11.7 yrs | 12 yrs | -3% |
| Water Heater | 13.5 yrs | 15 yrs | -10% |
Regional Water Comparison
How Camarillo compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Camarillo, California | 51.5 mg/L | 3.4 ppt | 🟢 Soft | mixed |
| Santa Paula, California | 97 mg/L | 4.7 ppt | 🟡 Moderately Hard | mixed |
| Oxnard, California | 87 mg/L | 4.4 ppt | 🟡 Moderately Hard | mixed |
| Moorpark, California | 63.5 mg/L | 3.7 ppt | 🟡 Moderately Hard | mixed |
| Port Hueneme, California | 187 mg/L | 7.4 ppt | 🔴 Very Hard | mixed |
National Benchmark
How Camarillo compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Camarillo | 51.5 mg/L | 🟢 None |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Camarillo's Water Unique?
Local geology and source profile
Camarillo, California, in eastern Ventura County on the Oxnard Plain — an affluent residential and agricultural community with a major state hospital and Camarillo Premium Outlets — draws its municipal water supply through the City of Camarillo Public Works Water Division, sourcing from the Calleguas Municipal Water District (CMWD) which delivers a blend of Metropolitan Water District (MWD) imported water and manages the Pleasant Valley Groundwater Basin in eastern Ventura County. Water hardness in Camarillo measures 51.5 mg/L — classified as very soft.
Camarillo's very soft supply reflects the dominance of State Water Project imported water in the CMWD–MWD blend reaching the Pleasant Valley and eastern Ventura County. The SWP Sacramento–Feather River import (very soft, Sierra Nevada granodiorite watershed at 20–50 mg/L) constitutes a substantial fraction of CMWD's deliveries to Camarillo. The Pleasant Valley Groundwater Basin is actively recharged by CMWD using spreading of soft MWD imported water, maintaining the basin at relatively soft hardness levels. The resulting 51.5 mg/L in Camarillo is among the softest in Ventura County — consistent with other well-managed SWP-dominated coastal Ventura communities.
With hardness at 51.5 mg/L, Camarillo residents enjoy very soft water with minimal scale challenges. City of Camarillo Public Works and Calleguas Municipal Water District consistently deliver water meeting all California SWRCB and EPA Safe Drinking Water Act requirements.
Geology & Source: Mixed supply from Calleguas Municipal Water District (CMWD) — Metropolitan Water District (MWD) imports (Colorado River Aqueduct and State Water Project) and the Pleasant Valley Groundwater Basin recharge via the City of Camarillo Public Works Water Division — the Ventura County Pleasant Valley alluvial basin and MWD-recharged coastal Ventura aquifer; very soft supply at 51.5 mg/L in Ventura County.