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Kendall West Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.4

neutral = 7.0

Lead

0.009 mg/L

✓ Below action level

TDS

1114.9 mg/L

Est. Daily Cost

$0.40

energy & soap waste

Source: See methodology section below · Updated 2026

hard~120–179 mg/LHard · est.

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 Kendall West, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn Kendall WestSoft Water CityEfficiency 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 Kendall West compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Kendall West, Florida≈ 120–179 mg/L12.9 ppt🟠 Hardgroundwater
Kendale Lakes, Florida259 mg/L10.7 ppt🔴 Very Hardgroundwater
The Hammocks, Florida≈ 180+ mg/L7.3 ppt🔴 Very Hardgroundwater
The Crossings, Florida≈ 120–179 mg/L7.2 ppt🟠 Hardgroundwater
Tamiami, Florida≈ 180+ mg/L6.1 ppt🔴 Very Hardgroundwater

National Benchmark

How Kendall West compares to the USA average

BenchmarkHardnessAppliance Risk
Kendall West≈ 120–179 mg/L🟠 Moderate
USA National Avg151 mg/L🟠 Moderate
Scarsdale Top Rated0.02 mg/L🟢 None

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What Makes Kendall West's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 1114.9 mg/LpH: 7.4

Kendall West is served by the Miami-Dade County Water and Sewer Department. The sole water source is groundwater from regional wells that feed the Hialeah, John E. Preston, and Alexander Orr water treatment plants, as well as the South Dade Water Supply System. These facilities serve unincorporated areas of Miami-Dade County, including Kendall West and surrounding communities south of SW 264th Street. The Miami-Dade County Water and Sewer Department publishes annual water quality reports and Consumer Confidence Reports available on its official website for detailed compliance and contaminant data.

The water supply originates from the Biscayne and Floridian Aquifer systems, composed of Tertiary-age limestone and dolomite formations. The Ocala Limestone and related carbonate sequences dominate the geology of south-central Florida. These highly soluble rock formations naturally dissolve calcium and magnesium into groundwater as it percolates through the aquifer, resulting in a hard water supply. The limestone geology is the primary driver of elevated mineral content throughout the region, a characteristic shared across most of Miami-Dade County.

Kendall West residents receive hard water that causes scale buildup in appliances, water heaters, and plumbing fixtures. Lime treatment at the Alexander Orr plant reduces hardness before distribution, but residual hardness remains sufficient to cause soap scum, reduced detergent effectiveness, and mineral deposits on fixtures and in appliances over time. A point-of-use or whole-house water softener is typically recommended to manage scale accumulation and extend appliance longevity. Miami-Dade County's treatment process includes lime softening, fluoridation, disinfection, and filtration; the 2024 Water Quality Report documents full compliance with EPA regulations for lead, copper, and other regulated substances.

Geology & Source: Biscayne Aquifer and Floridan Aquifer system, Miami-Dade County — Tertiary limestone and dolomite including Ocala Limestone; carbonate dissolution produces naturally hard groundwater in south-central Florida

Other Florida Water Reports

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Frequently Asked Questions

Is Kendall West's water safe to drink?
Yes. Kendall West's water meets all federal safety standards. The hardness is ≈ 120–179 mg/L (Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.
Do I need a water softener in Kendall West?
At ≈ 120–179 mg/L (Hard), Kendall West's water will cause significant limescale on kettles, washing machines, and water heaters. A water softener or descaler is strongly recommended to extend appliance lifespan and reduce energy bills by up to 20%.
How does Kendall West compare to the USA average?
The USA national average is 151 mg/L. Kendall West (≈ 120–179 mg/L) is 1 mg/L below the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Kendall West is derived from geographic and geological modelling of the surrounding region. No federal monitoring station data was available for this location.

Estimated

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.

Estimated

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.

Estimated

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.

Measured

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.

Modelled

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.

Calculated

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.