Lindsay Water Hardness & Quality Report (2026)
Water Hardness
2.5 grains per gallon
Source
mixed
pH Level
7.3
neutral = 7.0
Lead
0.002 mg/L
✓ Below action level
TDS
91.1 mg/L
Est. Daily Cost
$0.12
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 Lindsay, your appliances are currently losing 6% efficiency due to mineral buildup.
| Appliance | In Lindsay | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 8.2 yrs | 8.5 yrs | -4% |
| Washing Machine | 12 yrs | 12 yrs | — |
| Water Heater | 13.9 yrs | 15 yrs | -7% |
Regional Water Comparison
How Lindsay compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Lindsay, California | 43.5 mg/L | 3.2 ppt | 🟢 Soft | mixed |
| Porterville, California | 31.5 mg/L | 2.8 ppt | 🟢 Soft | mixed |
| Visalia, California | 123.5 mg/L | 5.5 ppt | 🟠 Hard | mixed |
| Tulare, California | 110.5 mg/L | 5.1 ppt | 🟡 Moderately Hard | mixed |
| Dinuba, California | 194.5 mg/L | 7.6 ppt | 🔴 Very Hard | mixed |
National Benchmark
How Lindsay compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Lindsay | 43.5 mg/L | 🟢 None |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Lindsay's Water Unique?
Local geology and source profile
Lindsay, California, in Tulare County — a Tulare County city adjacent to Porterville and Visalia in the central California San Joaquin Valley — receives its water from the City of Lindsay Water, drawing from the State Water Project and Kings River alluvial aquifer (Tulare County) through the central California Valley distribution.
The moderately soft 43.5 mg/L hardness and TDS of 91.1 mg/L reflect the central California Tulare County SWP supply's soft character — driven by the Sierra Nevada snowmelt from the insoluble Jurassic granodiorite watershed, producing the characteristic soft water of San Joaquin Valley SWP supply cities (compare Avenal CA: 43 mg/L; Discovery Bay CA: 29 mg/L from the Delta). The Tulare County SWP supply — Jurassic Sierra Nevada granodiorite (insoluble — primary dilutant via SWP and Kings River), Quaternary San Joaquin Valley alluvium (slightly calcareous — trace TDS contributor), and Cretaceous Coast Range (insoluble — minor).
At 43.5 mg/L, Lindsay's water is moderately soft — light scale forms very slowly in appliances, dishwashers remain efficient, and no softening is needed. Annual descaling is appropriate. The PFAS level of 3.2 ppt warrants a certified drinking water filter — the Tulare County central California agricultural corridor contribute to Lindsay's readings.
Geology & Source: Lindsay in Tulare County draws from the City of Lindsay Water on the State Water Project and local Kings River alluvial aquifer (Tulare County, central California San Joaquin Valley) — the SWP-Kings River supply at Tulare County delivers Sierra Nevada (Jurassic granodiorite — insoluble) snowmelt — California Tulare County SWP-Kings River Sierra Nevada Jurassic insoluble supply produces moderately soft water at 43.5 mg/L with TDS 91.1 mg/L.