Yulee Water Hardness & Quality Report (2026)
Water Hardness
16 grains per gallon
Source
groundwater
pH Level
8.5
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
863.4 mg/L
Est. Daily Cost
$0.73
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 Yulee, your appliances are currently losing 37% efficiency due to mineral buildup.
| Appliance | In Yulee | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 3.4 yrs | 12 yrs | -72% |
| Water Heater | 5 yrs | 15 yrs | -67% |
Regional Water Comparison
How Yulee compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Yulee, Florida | 274.5 mg/L | 11.2 ppt | 🔴 Very Hard | groundwater |
| St. Marys, Georgia | 159 mg/L | 9.2 ppt | 🟠 Hard | reservoir |
| Fernandina Beach, Florida | 205 mg/L | 9 ppt | 🔴 Very Hard | groundwater |
| Kingsland, Georgia | 123.5 mg/L | 6.6 ppt | 🟠 Hard | reservoir |
| Jacksonville, Florida | 190.5 mg/L | 8.5 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How Yulee compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Yulee | 274.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Yulee's Water Unique?
Local geology and source profile
Yulee, Florida, in Nassau County — a Nassau County unincorporated community adjacent to Fernandina Beach and Hilliard in northeast Florida — receives its water from Nassau County Utilities, drawing from the Floridan Aquifer System through the northeast Florida distribution.
The very hard 274.5 mg/L hardness and high TDS of 863.4 mg/L reflect the Nassau County Floridan Aquifer supply's very hard calcareous character — the Eocene Oldsmar Formation and Avon Park Formation are among the deepest and most calcareous formations in the Floridan system, and the northeast Florida coastal location contributes additional dissolved solids from saline zone mixing near the Atlantic coastal plain (compare Fernandina Beach FL: 268/844 in Nassau County comparable; Hilliard FL: 280/882 in Nassau County comparable; Yulee consistent very hard from the same Nassau County Floridan Aquifer Eocene calcareous supply). The deep Floridan Aquifer at Nassau County — Eocene Oldsmar Formation (highly calcareous — primary hardness contributor), Eocene Avon Park Formation (calcareous — secondary contributor), and Holocene Atlantic Coastal Plain sediment (insoluble — minor dilutant).
At 274.5 mg/L with TDS 863, Yulee's water is very hard — a water softener is strongly recommended to protect plumbing and appliances. A reverse osmosis system is recommended for drinking. The PFAS level of 11.2 ppt is very high — a certified filter with PFAS removal is strongly recommended — the Nassau County northeast Florida military (Kings Bay Naval Submarine Base area, former Camp Blanding) contributes to Yulee's very elevated PFAS readings.
Geology & Source: Yulee in Nassau County draws from the Nassau County Utilities on the Floridan Aquifer (Nassau County, northeast Florida) — the Floridan Aquifer at Nassau County is developed in Eocene Oldsmar Formation (highly calcareous) and Eocene Avon Park Formation (calcareous) — Florida Nassau County Floridan Aquifer Eocene calcareous supply produces very hard water at 274.5 mg/L with TDS 863.4 mg/L.