Eustis Water Hardness & Quality Report (2026)
Water Hardness
180+ mg/L
Very Hardestimated · not lab-verified
Source
groundwater
pH Level
8
neutral = 7.0
Lead
0.004 mg/L
✓ Below action level
TDS
434 mg/L
Est. Daily Cost
$0.91
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 Eustis, your appliances are currently losing 45% efficiency due to mineral buildup.
| Appliance | In Eustis | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 4.7 yrs | 8.5 yrs | -45% |
| Washing Machine | 6.6 yrs | 12 yrs | -45% |
| Water Heater | 8.3 yrs | 15 yrs | -45% |
Regional Water Comparison
How Eustis compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Eustis, Florida | ≈ 180+ mg/L | 98.9 ppt | 🔴 Very Hard | groundwater |
| Tavares, Florida | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | groundwater |
| Mount Dora, Florida | ≈ 180+ mg/L | 23.9 ppt | 🔴 Very Hard | groundwater |
| Leesburg, Florida | ≈ 120–179 mg/L | 15.7 ppt | 🟠 Hard | groundwater |
| Lady Lake, Florida | ≈ 180+ mg/L | 119.4 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How Eustis compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Eustis | ≈ 180+ mg/L | 🔴 High |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Eustis's Water Unique?
Local geology and source profile
The City of Eustis Water Company serves approximately 34,643 residents in Lake County, Florida, drawing its entire supply from nine groundwater wells tapping the Floridan Aquifer. The utility operates aerators as part of its treatment process, with no reliance on surface water sources. The main office is located at 10 N. Grove Street, Eustis, FL 32726 (phone: 352-483-5430). Annual water quality reports and consumer confidence reports, including the 2024 Drinking Water Quality Report, are published by the city and available through the municipal website.
The Eustis water supply originates from the Floridan Aquifer, a regionally significant Tertiary-period carbonate formation composed primarily of limestone and dolomite. As groundwater travels through these soluble rock formations, it dissolves substantial quantities of calcium and magnesium minerals, creating a naturally hard water supply. This geological character is typical of central Florida's karst landscape and is the primary driver of the supply's mineral content and chemical properties.
Eustis water is classified as very hard, meaning scale buildup will occur on fixtures, appliances, and plumbing over time. Dishwashers, water heaters, and coffee makers are particularly vulnerable to mineral deposits. Residents are advised to install a water softener or ion-exchange system for whole-house treatment, or use vinegar-based cleaning methods for appliance maintenance. The utility monitors for lead and copper compliance, with detailed tap sampling data available upon request from the water department. Secondary contaminants including odor have been noted in historical reports; residents with specific concerns may contact the utility directly at 352-483-5430 or request professional laboratory analysis.
Geology & Source: Floridan Aquifer — Tertiary-age limestone and dolomite carbonate formation, central Florida karst; calcium carbonate and magnesium carbonate dissolution produces naturally very hard groundwater
Other Florida Water Reports
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Frequently Asked Questions
Is Eustis's water safe to drink?
Do I need a water softener in Eustis?
How does Eustis compare to the USA average?
Data Sources & Methodology
Water quality data for Eustis 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.