Marion Oaks Water Hardness & Quality Report (2026)
Water Hardness
16.3 grains per gallon
Source
groundwater
pH Level
8.5
neutral = 7.0
Lead
0.007 mg/L
✓ Below action level
TDS
885.6 mg/L
Est. Daily Cost
$0.75
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 Marion Oaks, your appliances are currently losing 37% efficiency due to mineral buildup.
| Appliance | In Marion Oaks | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 1.5 yrs | 8.5 yrs | -82% |
| Washing Machine | 3.3 yrs | 12 yrs | -73% |
| Water Heater | 5 yrs | 15 yrs | -67% |
Regional Water Comparison
How Marion Oaks compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Marion Oaks, Florida | 279.5 mg/L | 11.3 ppt | 🔴 Very Hard | groundwater |
| On Top of the World, Florida | 259 mg/L | 10.7 ppt | 🔴 Very Hard | groundwater |
| Ocala, Florida | 80.5 mg/L | 5.1 ppt | 🟡 Moderately Hard | groundwater |
| The Villages, Florida | 157.5 mg/L | 7.5 ppt | 🟠 Hard | groundwater |
| Lady Lake, Florida | 301 mg/L | 12 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How Marion Oaks compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Marion Oaks | 279.5 mg/L | 🔴 High |
| USA National Avg | 150 mg/L | 🟠 Moderate |
| Badger Top Rated | 8.5 mg/L | 🟢 None |
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What Makes Marion Oaks's Water Unique?
Local geology and source profile
Marion Oaks, Florida, in Marion County — an unincorporated Marion County community adjacent to Ocala in the north-central Florida heartland, in the Ocala National Forest zone of Marion County — receives its municipal water from Marion County Utilities, drawing from the Floridan Aquifer System (Upper Floridan Aquifer) through production wells in Marion County.
The very hard 279.5 mg/L hardness and very high TDS of 885.6 mg/L reflect the deep Marion County Floridan Aquifer's extreme carbonate character. Marion County sits at the heart of the Ocala Platform — the highest-structural expression of the Floridan Aquifer System, where the Eocene Ocala Limestone and Oligocene Suwannee Limestone (thick, massively karstified dolomite-limestone) are shallowest and most concentrated. The deep wells in the Marion Oaks area access the most mineralized portions of the Floridan — highly karstified dolomite rock with very long water-rock contact time, producing extremely hard, high-TDS water.
At 279.5 mg/L with TDS 886 mg/L, Marion Oaks' water is very hard. A whole-house water softener is strongly recommended and kitchen reverse osmosis filtration is advisable. The PFAS level of 11.3 ppt is elevated and warrants a certified reverse osmosis drinking water filter — the Ocala military-industrial and agricultural corridor (Avon Park Air Force Range — documented AFFF user in the Floridan recharge zone), the Marion County PFAS agricultural background, and the north-central Florida PFAS network contribute to Marion Oaks' readings.
Geology & Source: Marion Oaks in Marion County draws from Marion County Utilities on the Floridan Aquifer (Upper Floridan, Marion County) — the Floridan consists of Eocene-Oligocene Ocala Limestone and Suwannee Limestone (massive karstified dolomite and limestone) — Florida Floridan Aquifer Eocene-Oligocene karstified dolomite produces very hard water at 279.5 mg/L with very high TDS 886 mg/L in this Marion County Florida community.