Avocado Heights Water Hardness & Quality Report (2026)
Water Hardness
2.8 grains per gallon
Source
mixed
pH Level
7.3
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
102.7 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 Avocado Heights, your appliances are currently losing 6% efficiency due to mineral buildup.
| Appliance | In Avocado Heights | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 8 yrs | 8.5 yrs | -6% |
| Washing Machine | 11.8 yrs | 12 yrs | -2% |
| Water Heater | 13.7 yrs | 15 yrs | -9% |
Regional Water Comparison
How Avocado Heights compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Avocado Heights, California | 48.5 mg/L | 3.3 ppt | 🟢 Soft | mixed |
| West Puente Valley, California | 64.5 mg/L | 3.7 ppt | 🟡 Moderately Hard | mixed |
| La Puente, California | 48 mg/L | 3.3 ppt | 🟢 Soft | mixed |
| Valinda, California | 46.5 mg/L | 3.2 ppt | 🟢 Soft | mixed |
| Hacienda Heights, California | 116.5 mg/L | 5.3 ppt | 🟡 Moderately Hard | mixed |
National Benchmark
How Avocado Heights compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Avocado Heights | 48.5 mg/L | 🟢 None |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Avocado Heights's Water Unique?
Local geology and source profile
Avocado Heights, California, in Los Angeles County — an unincorporated Los Angeles County community adjacent to La Puente and Industry in the east San Gabriel Valley — receives its water primarily from the Walnut Valley Water District (WVWD), drawing from Metropolitan Water District (MWD) imported supplies and local San Gabriel Basin groundwater through the east San Gabriel Valley distribution.
The soft 48.5 mg/L hardness and low TDS of 102.7 mg/L are softer than many San Gabriel Valley communities receiving more Colorado River-dominant MWD water (Pomona: ~85 mg/L) — reflecting a mix with more State Water Project (Sierra Nevada) import and the soft San Gabriel Spreading Grounds recharge in this zone. The MWD supplies at the San Gabriel Valley include Colorado River (moderately hard), State Water Project (Sierra Nevada — soft), and local San Gabriel Spreading Grounds recharge from the San Gabriel River (moderately soft).
At 48.5 mg/L, Avocado Heights' water is soft — essentially no significant scale forms, soap lathers well, and appliances maintain good efficiency. Annual descaling is sufficient. The PFAS level of 3.3 ppt warrants a certified drinking water filter — the Los Angeles County east San Gabriel Valley industrial corridor and the San Gabriel Valley Superfund groundwater PFAS background from historic aerospace manufacturing (Whittier Narrows area) contribute to Avocado Heights' readings.
Geology & Source: Avocado Heights in Los Angeles County draws from the Walnut Valley Water District on Metropolitan Water District (MWD) imported supplies (Los Angeles County, east San Gabriel Valley) — MWD delivers Colorado River and State Water Project Sierra Nevada water blends — California Los Angeles County MWD Colorado River-Sierra Nevada blend produces soft water at 48.5 mg/L with TDS 102.7 mg/L.