How does Port Salerno's water compare to the national average?

The USA national average is 151 mg/L. Port Salerno (≈ 120–179 mg/L) is 1 mg/L softer than average.

Port Salerno 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

0.001 mg/L

✓ Below action level

TDS

161.6 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 Port Salerno, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Port Salerno	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 Port Salerno compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Port Salerno, Florida	≈ 120–179 mg/L	4.9 ppt	🟠 Hard	groundwater
Palm City, Florida	≈ 120–179 mg/L	7.8 ppt	🟠 Hard	groundwater
Stuart, Florida	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater
Hobe Sound, Florida	≈ 180+ mg/L	75.2 ppt	🔴 Very Hard	groundwater
Jensen Beach, Florida	≈ 120–179 mg/L	9 ppt	🟠 Hard	groundwater

National Benchmark

How Port Salerno compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Port Salerno	≈ 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 Port Salerno's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 161.6 mg/LpH: 7.4

Martin County Utilities draws water for Port Salerno from the Floridan aquifer system, a vital groundwater resource for Martin County, Florida. This utility also serves the Stuart area and nearby communities. The Floridan aquifer, a primary source of groundwater for the region, is where the water originates. Martin County Utilities publishes an annual Consumer Confidence Report detailing water quality and treatment methods for its customers.

The groundwater in Port Salerno is sourced from the Floridan aquifer system, which is composed of Tertiary-age limestone and dolomite formations. These include the Ocala Limestone and other carbonate rock layers, typical of South Florida's karst terrain. As water travels through these easily dissolved carbonate rocks, it picks up high levels of calcium and magnesium minerals, leading to the naturally hard water found throughout the region.

Homeowners in Port Salerno often notice scale buildup on faucets and showerheads, as well as spots on glassware after washing. You might also find that soap and detergents don't lather as easily. These effects of hard water can impact the efficiency and lifespan of appliances like water heaters and dishwashers. While Martin County Utilities ensures the water meets all health standards, many residents opt for whole-house water softeners or smaller treatment systems to combat the aesthetic and practical issues associated with hard water.

Geology & Source: Floridan aquifer system; Tertiary limestone and dolomite formations like the Ocala Limestone dissolve readily, causing high hardness

Other Florida Water Reports

Palm City

≈ 120–179 mg/L

🟠 Hard

Stuart

≈ 120–179 mg/L

🟠 Hard

Hobe Sound

≈ 180+ mg/L

🔴 Very Hard

Jensen Beach

≈ 120–179 mg/L

🟠 Hard

Report an Issue

Notice an error or missing data? Help us keep this page accurate. If you spot incorrect water hardness, outdated utility info, or missing details, please let us know.

All reports are reviewed by our team. Thank you for supporting data quality!

Frequently Asked Questions

Is Port Salerno's water safe to drink?

Yes. Port Salerno'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 Port Salerno?

At ≈ 120–179 mg/L (Hard), Port Salerno'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 Port Salerno compare to the USA average?

The USA national average is 151 mg/L. Port Salerno (≈ 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 Port Salerno 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

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.