Menifee Water Hardness & Quality Report (2026)
Water Hardness
4.3 grains per gallon
Source
mixed
pH Level
7.5
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
170.1 mg/L
Est. Daily Cost
$0.20
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 Menifee, your appliances are currently losing 10% efficiency due to mineral buildup.
| Appliance | In Menifee | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.2 yrs | 8.5 yrs | -15% |
| Washing Machine | 10.9 yrs | 12 yrs | -9% |
| Water Heater | 12.6 yrs | 15 yrs | -16% |
Regional Water Comparison
How Menifee compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Menifee, California | 74 mg/L | 4 ppt | 🟡 Moderately Hard | mixed |
| Sun City, California | 195 mg/L | 7.5 ppt | 🔴 Very Hard | mixed |
| Perris, California | 50 mg/L | 3.3 ppt | 🟢 Soft | mixed |
| Hemet, California | 46 mg/L | 3.2 ppt | 🟢 Soft | mixed |
| Mead Valley, California | 52 mg/L | 3.4 ppt | 🟢 Soft | mixed |
National Benchmark
How Menifee compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Menifee | 74 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Menifee's Water Unique?
Local geology and source profile
Menifee, California, a growing city in southwest Riverside County between Temecula and Hemet, draws its municipal water supply through the Eastern Municipal Water District (EMWD), sourcing from a blend of Metropolitan Water District (MWD) imported water (State Water Project and Colorado River Aqueduct), State Water Project delivery, and local Perris Groundwater Basin wells in the Hemet–San Jacinto and Perris Valley zones. EMWD manages water for a large portion of southwest Riverside County. Water hardness in Menifee measures 74 mg/L — classified as moderately soft.
Menifee's moderately soft supply reflects the EMWD service area's blend of SWP-dominant imported water and Perris Valley groundwater. The State Water Project component (Sacramento–Feather River origin) is inherently soft. The Perris Valley Groundwater Basin is recharged primarily by the San Jacinto River drainage — the San Jacinto River originates in the San Jacinto Mountains (Precambrian anorthosite, gneiss, and Cretaceous San Jacinto Mountains granodiorite — calcium-poor crystalline terrain). Both supply components — SWP imports and San Jacinto alluvial recharge — are relatively soft, keeping the EMWD Menifee zone in the moderately soft range. This is substantially softer than comparable desert California cities relying more heavily on Colorado River water.
With hardness at 74 mg/L, Menifee residents experience minimal to moderate scale challenges. Faucet aerators and showerheads develop deposits slowly — bi-monthly cleaning with citric acid solution is sufficient. Dishwashers produce clean glassware. Eastern Municipal Water District consistently delivers water meeting all California SWRCB and EPA Safe Drinking Water Act requirements.
Geology & Source: Mixed supply from Eastern Municipal Water District (EMWD) — State Water Project (SWP) and Colorado River Aqueduct (MWD) imported water and local groundwater from the Perris groundwater basin in southwestern Riverside County — the Peninsular Ranges granodiorite Elsinore basin alluvial recharge; moderately soft supply at 74 mg/L in southwest Riverside County.