Lockhart Water Hardness & Quality Report (2026)
Water Hardness
10.7 grains per gallon
Source
groundwater
pH Level
8.1
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
501.9 mg/L
Est. Daily Cost
$0.49
energy & soap waste
Source: See methodology section below · 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 Lockhart, your appliances are currently losing 25% efficiency due to mineral buildup.
| Appliance | In Lockhart | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.4 yrs | 8.5 yrs | -25% |
| Washing Machine | 9 yrs | 12 yrs | -25% |
| Water Heater | 11.3 yrs | 15 yrs | -25% |
Regional Water Comparison
How Lockhart compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Lockhart, Florida | 184 mg/L | 8.4 ppt | 🔴 Very Hard | groundwater |
| Forest City, Florida | ≈ 180+ mg/L | 11.6 ppt | 🔴 Very Hard | groundwater |
| Fairview Shores, Florida | ≈ 120–179 mg/L | 8.3 ppt | 🟠 Hard | groundwater |
| Pine Hills, Florida | ≈ 120–179 mg/L | 10.8 ppt | 🟠 Hard | groundwater |
| Maitland, Florida | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
National Benchmark
How Lockhart compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Lockhart | 184 mg/L | 🔴 High |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Lockhart's Water Unique?
Local geology and source profile
Lockhart, a community within Orange County, Florida, receives its water supply from the Orange County Water Division. The utility draws exclusively from the Floridan Aquifer, a significant underground water system that serves much of central Florida. The Orange County Water Division operates a laboratory that is accredited by the state, conducting tests for more than 150 different substances to ensure the water meets all federal and state drinking water regulations.
The Floridan Aquifer is characterized by its geological makeup, which includes Paleocene and Eocene limestone and dolomite layers. As groundwater travels through these extensive carbonate rock formations, it naturally picks up considerable amounts of calcium and magnesium. This geological process is the main reason why water throughout central Florida tends to be hard.
Homeowners in Lockhart will likely notice the effects of mineral-rich water, such as scale deposits on faucets and showerheads, and may find that soaps and detergents don't lather as effectively. Appliances like coffee makers and water heaters can also suffer from reduced efficiency and shorter lifespans due to mineral buildup. Installing a water softening system is often advised for homes and businesses in the area to combat these issues and protect plumbing. For detailed reports, residents can reach out to the Orange County Water Division.
Geology & Source: Floridan Aquifer system; Paleocene–Eocene limestone and dolomite formations lead to hard water
Other Florida Water Reports
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Frequently Asked Questions
Is Lockhart's water safe to drink?
Do I need a water softener in Lockhart?
How does Lockhart compare to the USA average?
Data Sources & Methodology
Water quality data for Lockhart is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.
Water Hardness
Modelled estimate based on state-level USGS geological survey data for this region. No direct USGS Water Quality Portal measurement was matched to this city — the value reflects a statistical range calibrated to the state's dominant rock types and typical source water characteristics.
pH
Estimated from regional geology and source water characteristics. pH is correlated with water hardness and local bedrock — values may differ from utility-reported figures.
TDS — Total Dissolved Solids
Estimated using a derived ratio from water hardness and regional conductance profiles. TDS in natural water correlates strongly with total mineral content including hardness ions.
PFAS — Perfluoroalkyl and Polyfluoroalkyl Substances
EPA UCMR5 (5th Unregulated Contaminant Monitoring Rule, 2023–2025) — sum of PFAS compounds detected at the public water system serving this city. A value of 0 indicates the system was sampled with no detection above reporting limits.
Lead
Modelled estimate based on the EPA Lead and Copper Rule 90th-percentile tap-sample methodology. No publicly available per-city lead dataset with sufficient national coverage exists. Values are a conservative baseline derived from city population tier and infrastructure age — all estimates are maintained below the EPA action level of 0.015 mg/L.
Appliance Lifespan
Calculated from water hardness using a linear degradation model. Baseline lifespans represent soft-water performance (kettle: 8.5 yrs, washing machine: 12.0 yrs, water heater: 15.0 yrs). Hard water mineral scale progressively reduces operational life in direct proportion to hardness concentration.