Lighthouse Point Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
groundwater
pH Level
7.7
neutral = 7.0
Lead
0.003 mg/L
✓ Below action level
TDS
308.4 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 Lighthouse Point, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Lighthouse Point | 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 Lighthouse Point compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Lighthouse Point, Florida | ≈ 120–179 mg/L | 6.5 ppt | 🟠 Hard | groundwater |
| Deerfield Beach, Florida | ≈ 120–179 mg/L | 25.6 ppt | 🟠 Hard | groundwater |
| Pompano Beach, Florida | ≈ 0–60 mg/L | 140.5 ppt | 🟢 Soft | groundwater |
| Boca Raton, Florida | ≈ 120–179 mg/L | 12.9 ppt | 🟠 Hard | groundwater |
| Boca Del Mar, Florida | ≈ 120–179 mg/L | 12.6 ppt | 🟠 Hard | groundwater |
National Benchmark
How Lighthouse Point compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Lighthouse Point | ≈ 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 Lighthouse Point's Water Unique?
Local geology and source profile
Lighthouse Point, Florida, gets its drinking water from Broward County Water and Wastewater Services (WWS). This utility draws from the Biscayne Aquifer, a significant groundwater source for the region. Water treatment takes place at facilities like the C.W. 'Bill' Armstrong Water Treatment Plant. This groundwater supply reliably serves both homes and businesses in the coastal city, situated in northeast Broward County near Pompano Beach. The Biscayne Aquifer itself is replenished by rainfall and water from local canals and rivers, including the Intracoastal Waterway.
The Biscayne Aquifer is formed from highly permeable limestone and sand layers dating back to the Pleistocene epoch. This geological makeup, characteristic of the area's karst landscape, naturally dissolves minerals from the rock. Consequently, the water contains a moderate level of dissolved solids, primarily calcium and magnesium ions, contributing to its mineralized character. This natural process is typical for groundwater found throughout South Florida.
Homeowners in Lighthouse Point might notice some scale buildup on fixtures like faucets and showerheads, as well as inside water heaters, which can decrease efficiency over time. You may also observe spotting on glassware coming from the dishwasher or a bit of stiffness in freshly laundered clothes. To combat this, regularly soaking fixtures in vinegar and descaling appliances annually can help. Installing a water softener is a worthwhile consideration if these issues are frequent, as it can extend the lifespan of your appliances and improve how well soaps and detergents perform. Broward County's treatment process includes lime softening to reduce hardness and meet all drinking water standards.
Geology & Source: Biscayne Aquifer; Pleistocene Miami Limestone and Pamlico Sand produce moderate hardness
Other Florida Water Reports
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Frequently Asked Questions
Is Lighthouse Point's water safe to drink?
Do I need a water softener in Lighthouse Point?
How does Lighthouse Point compare to the USA average?
Data Sources & Methodology
Water quality data for Lighthouse Point 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.