How does Fort Pierce's water compare to the national average?

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

Fort Pierce Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.6

neutral = 7.0

Lead

0.008 mg/L

✓ Below action level

TDS

681 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 Fort Pierce, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Fort Pierce	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 Pierce compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Fort Pierce, Florida	≈ 120–179 mg/L	84.6 ppt	🟠 Hard	groundwater
Lakewood Park, Florida	80.5 mg/L	5.1 ppt	🟡 Moderately Hard	groundwater
Florida Ridge, Florida	≈ 120–179 mg/L	11.3 ppt	🟠 Hard	groundwater
Port Saint Lucie, Florida	≈ 120–179 mg/L	4.8 ppt	🟠 Hard	groundwater
Vero Beach South, Florida	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater

National Benchmark

How Fort Pierce compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Fort Pierce	≈ 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 Pierce's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 681 mg/LpH: 7.6

Fort Pierce Utilities Authority (FPUA) provides water to approximately 66,563 residents in Fort Pierce, Florida, and surrounding areas in St. Lucie County on the Treasure Coast. The utility sources its water from the Floridan Aquifer System via wells, with treatment at facilities ensuring compliance with EPA and Florida Department of Environmental Protection standards. Annual Consumer Confidence Reports are published on the FPUA website detailing monitoring results. Treatment includes filtration, disinfection, and reverse osmosis elements for impurity reduction.

Fort Pierce's water supply is drawn from the Floridan Aquifer System, a major karst aquifer formed primarily in Eocene and Oligocene limestone formations rich in calcium carbonate. The soluble limestones — including the Ocala Limestone and Avon Park Formation — dissolve over time, releasing calcium and magnesium ions into the groundwater. Rainwater percolates through porous karst rock across Florida's Treasure Coast, recharging through the surficial aquifer influenced by the Indian River Lagoon system, and picking up dissolved minerals to produce a hard supply without surface runoff dilution.

Hard water in Fort Pierce causes significant scale buildup in household appliances and plumbing, particularly affecting water heaters, dishwashers, washing machines, and faucets through mineral deposits that reduce efficiency and lifespan. Dry skin, soap scum, and spotted dishes are common complaints. Regular deliming, drain screens, and vinegar rinses help; a water softener is strongly recommended. Notable contaminants include PFOS (0.012 µg/L) and PFOA (0.004 µg/L) exceeding EPA limits, along with chlorate and low lead levels above health goals; NSF-certified filters are advised for PFAS reduction.

Geology & Source: Floridan Aquifer System — Eocene/Oligocene karst limestone formations including Ocala Limestone and Avon Park Formation; calcium carbonate and magnesium dissolution from soluble carbonate rock yields hard groundwater supply

Other Florida Water Reports

Lakewood Park

80.5 mg/L

🟡 Moderately Hard

Florida Ridge

≈ 120–179 mg/L

🟠 Hard

Port Saint Lucie

≈ 120–179 mg/L

🟠 Hard

Vero Beach South

≈ 120–179 mg/L

🟠 Hard

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

Frequently Asked Questions

Is Fort Pierce's water safe to drink?

Yes. Fort Pierce'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 Fort Pierce?

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

The USA national average is 151 mg/L. Fort Pierce (≈ 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 Fort Pierce 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.