Bonita Springs Water Hardness & Quality Report (2026)
Water Hardness
4.2 grains per gallon
Source
groundwater
pH Level
7.4
neutral = 7.0
Lead
0.001 mg/L
✓ Below action level
TDS
160.5 mg/L
Est. Daily Cost
$0.19
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 Bonita Springs, your appliances are currently losing 10% efficiency due to mineral buildup.
| Appliance | In Bonita Springs | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 7.2 yrs | 8.5 yrs | -15% |
| Washing Machine | 10.9 yrs | 12 yrs | -9% |
| Water Heater | 12.7 yrs | 15 yrs | -15% |
Regional Water Comparison
How Bonita Springs compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Bonita Springs, Florida | 72.5 mg/L | 4.9 ppt | 🟡 Moderately Hard | groundwater |
| Estero, Florida | 161 mg/L | 7.6 ppt | 🟠 Hard | groundwater |
| San Carlos Park, Florida | 75.5 mg/L | 4.9 ppt | 🟡 Moderately Hard | groundwater |
| Golden Gate, Florida | 138 mg/L | 6.9 ppt | 🟠 Hard | groundwater |
| Naples, Florida | 229 mg/L | 9.8 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How Bonita Springs compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Bonita Springs | 72.5 mg/L | 🟡 Low |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Bonita Springs's Water Unique?
Local geology and source profile
Bonita Springs, Florida, in Lee County between Fort Myers and Naples — a rapidly growing southwest Florida Gulf Coast community known for Bonita Beach, the Barefoot Beach Preserve, and a major retirement and second-home market, one of the fastest-growing cities in the United States in the 2010s–2020s — draws its municipal water supply from the Floridan Aquifer System and supplemental surface water via the Lee County Utilities Water Division (serving portions of Bonita Springs) and the City of Bonita Springs Public Works. Water hardness in Bonita Springs measures 72.5 mg/L — classified as moderately soft.
Bonita Springs' surprisingly soft supply — much softer than Port Charlotte (328 mg/L) and many southwest Florida communities on the same Floridan Aquifer — reflects Lee County Utilities' and the City's extensive reverse osmosis (RO) membrane treatment and supply blending. The raw Floridan Aquifer in Lee County carries very hard to extremely hard groundwater (300–500+ mg/L). Lee County Utilities operates advanced RO treatment plants — the Buckingham and Karl Avenue Water Treatment Plants — applying a high RO blend fraction to the Lee County supply system. The south Lee County Bonita Springs distribution zone receives a high-proportion RO-treated supply, producing the very soft 72.5 mg/L at household taps.
With hardness at 72.5 mg/L, Bonita Springs residents enjoy moderately soft water for a southwest Florida community. Lee County Utilities and City of Bonita Springs Water Division consistently deliver water meeting all Florida DEP and EPA Safe Drinking Water Act requirements.
Geology & Source: Groundwater from the Floridan Aquifer System blended with surface water via the City of Bonita Springs Public Works Water Division and the Lee County Utilities Water Division — the Lee County Southwest Florida Eocene–Oligocene Floridan Aquifer and Estero Bay watershed; moderately soft supply at 72.5 mg/L — reflecting effective Lee County water treatment and RO blending in the south Lee County Bonita Springs zone.