Melbourne Water Hardness & Quality Report (2026)
Water Hardness
180+ mg/L
Very Hardestimated · not lab-verified
Source
reservoir
pH Level
7.5
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
1114.8 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 Melbourne, your appliances are currently losing 45% efficiency due to mineral buildup.
| Appliance | In Melbourne | 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 Melbourne compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Melbourne, Florida | ≈ 180+ mg/L | 37.2 ppt | 🔴 Very Hard | reservoir |
| West Melbourne, Florida | ≈ 180+ mg/L | 7.9 ppt | 🔴 Very Hard | reservoir |
| Palm Bay, Florida | ≈ 120–179 mg/L | 182.9 ppt | 🟠 Hard | groundwater |
| Satellite Beach, Florida | 115 mg/L | 6.2 ppt | 🟡 Moderately Hard | groundwater |
| Viera East, Florida | ≈ 180+ mg/L | 0 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How Melbourne compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Melbourne | ≈ 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 Melbourne's Water Unique?
Local geology and source profile
The City of Melbourne Utilities Department serves approximately 168,000 consumers across Brevard County, including West Melbourne and areas near Melbourne Beach and the Historic District. Water is drawn from two primary sources: Lake Washington (surface water treated at the John A. Buckley Surface Water Treatment Plant using the Actiflo process) and the Floridan Aquifer (groundwater treated at the Joe Mullins Reverse Osmosis Water Treatment Plant via four wells). Chloramines and ozone are employed for disinfection to minimize byproducts, ensuring a reliable and diversified supply.
The St. Johns River watershed feeds Lake Washington, while the Floridan Aquifer System underlies the region with its extensive limestone karst formations spanning 100,000 square miles. These carbonate rocks, combined with ancient Brevard County shell deposits, dissolve substantial calcium carbonate and magnesium sulfate into the groundwater as it percolates through the aquifer, yielding a very hard supply. Surface water from Lake Washington picks up additional minerals in transit, further contributing to the distinctly mineralized water chemistry.
Very hard water promotes significant limescale buildup in pipes, water heaters, dishwashers, washing machines, and coffee makers, reducing efficiency and lifespan while increasing energy costs. Skin and hair may feel dry, and soap lathering is inefficient. Regular deliming of appliances, sediment filters, and system flushing are advised, and a whole-home water softener is strongly recommended. The 2025 Consumer Confidence Report confirms compliance with federal and state standards; treatment includes reverse osmosis for aquifer water, Actiflo and chloramination for surface water, and ozone to curb disinfection byproducts.
Geology & Source: Floridan Aquifer System — porous limestone karst; Brevard County limestone and ancient shell deposits dissolve calcium carbonate and magnesium sulfate, producing very hard water; Lake Washington surface water adds further minerals
Other Florida Water Reports
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Frequently Asked Questions
Is Melbourne's water safe to drink?
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How does Melbourne compare to the USA average?
Data Sources & Methodology
Water quality data for Melbourne 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.