Fort Lauderdale Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
groundwater
pH Level
8.5
neutral = 7.0
Lead
0.009 mg/L
✓ Below action level
TDS
986.1 mg/L
Est. Daily Cost
$0.40
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 Fort Lauderdale, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Fort Lauderdale | Soft Water City | Efficiency Loss |
|---|---|---|---|
| Kettle | 6.8 yrs | 8.5 yrs | -20% |
| Washing Machine | 9.6 yrs | 12 yrs | -20% |
| Water Heater | 12 yrs | 15 yrs | -20% |
Regional Water Comparison
How Fort Lauderdale compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Fort Lauderdale, Florida | ≈ 120–179 mg/L | 59.5 ppt | 🟠 Hard | groundwater |
| Sunrise, Florida | ≈ 120–179 mg/L | 70.4 ppt | 🟠 Hard | groundwater |
| Wilton Manors, Florida | ≈ 180+ mg/L | 56.2 ppt | 🔴 Very Hard | groundwater |
| Oakland Park, Florida | ≈ 180+ mg/L | 0 ppt | 🔴 Very Hard | groundwater |
| North Andrews Gardens, Florida | ≈ 180+ mg/L | 11.4 ppt | 🔴 Very Hard | groundwater |
National Benchmark
How Fort Lauderdale compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Fort Lauderdale | ≈ 120–179 mg/L | 🟠 Moderate |
| USA National Avg | 151 mg/L | 🟠 Moderate |
| Scarsdale Top Rated | 0.02 mg/L | 🟢 None |
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What Makes Fort Lauderdale's Water Unique?
Local geology and source profile
Broward County Water and Wastewater Services (WWS) provides drinking water to Fort Lauderdale and surrounding areas in Broward County, Florida. The utility sources groundwater from the Biscayne Aquifer via multiple wellfields, including the C-17 Wellfield. Water is treated at facilities equipped with lime softening and ferric chloride processes to address hardness and color, serving over 1.9 million residents county-wide across Fort Lauderdale's urban core, beachfront neighborhoods, and western suburbs like Plantation and Weston.
The Biscayne Aquifer spans the Miami Rockland District, underlain by Quaternary limestone formations including the karstic Miami Limestone and Fort Thompson Formation—both Pleistocene-age oolitic limestones rich in calcium carbonate. These highly permeable formations dissolve readily, leaching substantial dissolved calcium and magnesium ions that impart a characteristically hard mineral profile. Overpumping and rising sea levels drive saltwater intrusion into the aquifer along coastal margins, elevating sodium and chloride content in canal-adjacent and eastern coastal zones.
Hard water in Fort Lauderdale leads to scale buildup in pipes, water heaters, dishwashers, and washing machines—appliances may need descaling every 6–12 months. White deposits on fixtures and soap scum are common; maintenance includes vinegar rinses and annual heater flushes. A whole-house water softener is recommended, especially in very hard western zones. Water undergoes lime softening, chloramination (2.5–3.5 ppm) for disinfection, and filtration; pH is typically 7.5–8.5. Broward County's 2025 Water Quality Report confirms compliance with lead/copper rules, with PFAS monitoring showing low levels and no major violations reported.
Geology & Source: Biscayne Aquifer; Pleistocene Miami Limestone and Fort Thompson Formation — karstic oolitic limestone dissolves readily, leaching calcium and magnesium to produce hard supply; saltwater intrusion elevates sodium/chloride near coast
Other Florida Water Reports
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Frequently Asked Questions
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How does Fort Lauderdale compare to the USA average?
Data Sources & Methodology
Water quality data for Fort Lauderdale 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.