Rockledge Water Hardness & Quality Report (2026)
Water Hardness
~120–179 mg/L
Hardestimated · not lab-verified
Source
groundwater
pH Level
8.2
neutral = 7.0
Lead
0.005 mg/L
✓ Below action level
TDS
530.7 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 Rockledge, your appliances are currently losing 20% efficiency due to mineral buildup.
| Appliance | In Rockledge | 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 Rockledge compares to its nearest neighbours
| City | Hardness | PFAS (ppt) | Risk | Source |
|---|---|---|---|---|
| ▶ Rockledge, Florida | ≈ 120–179 mg/L | 8.6 ppt | 🟠 Hard | groundwater |
| Merritt Island, Florida | ≈ 120–179 mg/L | 5.1 ppt | 🟠 Hard | groundwater |
| Cocoa, Florida | 115 mg/L | 0 ppt | 🟡 Moderately Hard | reservoir |
| Viera East, Florida | ≈ 180+ mg/L | 0 ppt | 🔴 Very Hard | groundwater |
| Cocoa Beach, Florida | ≈ 120–179 mg/L | 0 ppt | 🟠 Hard | reservoir |
National Benchmark
How Rockledge compares to the USA average
| Benchmark | Hardness | Appliance Risk |
|---|---|---|
| ▶ Rockledge | ≈ 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 Rockledge's Water Unique?
Local geology and source profile
Rockledge, Florida, receives its drinking water from the City of Cocoa Utilities Department, which serves Brevard County including Rockledge through groundwater sourced from the Floridan Aquifer. The primary treatment facility is the Cocoa Water Treatment Plant, drawing from multiple wells tapping the Upper Floridan Aquifer. This utility provides service to approximately 20,000 connections across eastern Brevard County, encompassing residential, commercial, and industrial users in the Space Coast region. Treatment includes aeration, filtration, chloramination for disinfection, and fluoridation to meet all applicable standards.
The groundwater supply is recharged through the St. Johns River Water Management District recharge area, where surficial sands overlay the confined Floridan Aquifer. Key geological features include thick sequences of Paleogene limestone and dolostone, with karst features enhancing permeability. The Floridan Aquifer System is formed primarily in Eocene and Oligocene-age carbonate rocks — the Ocala Limestone and Avon Park Formation — rich in calcium carbonate and dolomite that dissolve into groundwater through fissures and solution channels, producing the moderately mineralised supply characteristic of Florida's central limestone belt.
Moderately hard water in Rockledge leads to moderate scale buildup in water heaters, dishwashers, and coffee makers, reducing efficiency over time. Soap and detergent performance may be slightly diminished, leaving spots on glassware. Periodic vinegar rinses for faucets and appliances, installing scale-inhibiting filters, and using rinse aids in dishwashers are recommended. A water softener is advisable for households noticing scale effects. Cocoa's water meets all EPA standards with typical pH around 7.5–8.5 from limestone buffering; naturally occurring radium from aquifer decay is monitored and below MCLs in recent Consumer Confidence Reports.
Geology & Source: Floridan Aquifer System; Eocene–Oligocene karst limestone — Ocala Limestone and Avon Park Formation; calcium carbonate and dolomite dissolve through fissures and solution channels; elevated calcium and magnesium produce hard groundwater
Other Florida Water Reports
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Frequently Asked Questions
Is Rockledge's water safe to drink?
Do I need a water softener in Rockledge?
How does Rockledge compare to the USA average?
Data Sources & Methodology
Water quality data for Rockledge 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.