Port Charlotte Water Hardness & Quality Report (2026)
Water Hardness
19.2 grains per gallon
Source
groundwater
pH Level
8.5
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
1112.9 mg/L
Est. Daily Cost
$0.87
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 Port Charlotte, your appliances are currently losing 44% efficiency due to mineral buildup.
| Appliance | In Port Charlotte | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 3 yrs | 12 yrs | -75% |
| Water Heater | 5 yrs | 15 yrs | -67% |
Regional Water Comparison
How Port Charlotte compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Port Charlotte, Florida | 328 mg/L | 12.9 ppt | 🔴 Very Hard | groundwater |
| Punta Gorda Isles, Florida | 101 mg/L | 5.7 ppt | 🟡 Moderately Hard | groundwater |
| Punta Gorda, Florida | 100.5 mg/L | 5.7 ppt | 🟡 Moderately Hard | groundwater |
| North Port, Florida | 300.5 mg/L | 12 ppt | 🔴 Very Hard | groundwater |
| Englewood, Florida | 150.5 mg/L | 7.3 ppt | 🟠 Hard | groundwater |
National Benchmark
How Port Charlotte compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Port Charlotte | 328 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Port Charlotte's Water Unique?
Local geology and source profile
Port Charlotte, Florida, in Charlotte County on Charlotte Harbor south of Punta Gorda — a major planned Gulf Coast community developed in the 1950s–1970s as one of Florida's largest master-planned retirement communities, now one of the fastest-growing Gulf Coast areas with a major Hurricane Ian (2022) recovery story — draws its municipal water supply from the Upper Floridan Aquifer via the Charlotte County Utilities Water Division. Water hardness in Port Charlotte measures 328 mg/L — classified as very hard.
Port Charlotte's very hard supply reflects the Charlotte County Floridan Aquifer's concentrated calcareous geology. The Floridan Aquifer System in Charlotte County (Eocene Ocala Limestone and Oligocene Suwannee Limestone — highly reactive calcareous carbonate formations of the southwest Florida Gulf Coast) carries very hard to extremely hard groundwater (300–450+ mg/L raw) from the highly soluble Eocene–Oligocene limestone. Charlotte County Utilities applies conventional treatment to the Floridan supply — without full-scale reverse osmosis or lime-soda softening — resulting in the very hard 328 mg/L delivered to Port Charlotte households. The Charlotte County Floridan Aquifer is notably deeper and more calcareous than coastal Lee County supplies.
At 328 mg/L, Port Charlotte residents face severe hard water challenges. Scale deposits form very rapidly on all fixtures and appliances — weekly descaling and appliance protection measures are strongly recommended. Charlotte County Utilities Water Division consistently delivers water meeting all Florida DEP and EPA Safe Drinking Water Act requirements.
Geology & Source: Groundwater from the Floridan Aquifer System (Upper Floridan) via the Charlotte County Utilities Water Division — the Charlotte County Southwest Florida Eocene–Oligocene Floridan Aquifer and Peace River Coastal Plain; very hard supply at 328 mg/L — reflecting the Charlotte County Floridan Aquifer's concentrated calcareous groundwater with conventional treatment only.