How does Pinellas Park's water compare to the national average?

The USA national average is 151 mg/L. Pinellas Park (207 mg/L) is 56 mg/L harder than average.

Pinellas Park Water Hardness & Quality Report (2026)

Water Hardness

207mg/L

Very Hard

12.1 grains per gallon

Source

reservoir

pH Level

8.5

neutral = 7.0

Lead

0.007 mg/L

✓ Below action level

TDS

878.6 mg/L

Est. Daily Cost

$0.55

energy & soap waste

Source: See methodology section below · Updated 2026

207mg/L as CaCO₃Very Hard

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 Pinellas Park, your appliances are currently losing 28% efficiency due to mineral buildup.

Appliance	In Pinellas Park	Soft Water City	Efficiency Loss
Kettle	2.8 yrs	8.5 yrs	-67%
Washing Machine	5.9 yrs	12 yrs	-51%
Water Heater	7.3 yrs	15 yrs	-51%

Regional Water Comparison

How Pinellas Park compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Pinellas Park, Florida	207 mg/L	10.4 ppt	🔴 Very Hard	reservoir
West and East Lealman, Florida	≈ 180+ mg/L	8.2 ppt	🔴 Very Hard	groundwater
Lealman, Florida	≈ 120–179 mg/L	5.7 ppt	🟠 Hard	groundwater
St. Petersburg, Florida	≈ 120–179 mg/L	12 ppt	🟠 Hard	reservoir
Seminole, Florida	≈ 120–179 mg/L	7 ppt	🟠 Hard	groundwater

National Benchmark

How Pinellas Park compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Pinellas Park	207 mg/L	🔴 High
USA National Avg	151 mg/L	🟠 Moderate
Scarsdale Top Rated	0.02 mg/L	🟢 None

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What Makes Pinellas Park's Water Unique?

Local geology and source profile

Source: ReservoirTDS: 878.6 mg/LpH: 8.5

Pinellas Park is served by Pinellas County Utilities, providing water to the city and surrounding areas in Pinellas County, Florida. The supply is a blend of groundwater from the Floridan Aquifer, surface water, and desalinated seawater sourced via Tampa Bay Water's regional system. Key facilities include the Cosme-Odessa Water Treatment Plant for groundwater and surface water processing, and the Tampa Bay Seawater Desalination Plant, one of the largest in the United States. This mixed sourcing ensures reliable supply for over 2.5 million residents across the Tampa Bay region, with Pinellas Park receiving treated water through the county's distribution system.

The water originates from the Tampa Bay watershed and the underlying Floridan Aquifer, where Eocene-age Ocala Limestone and Avon Park Formation dissolve minerals into the groundwater. These soluble carbonate rocks release high concentrations of calcium and magnesium ions as water percolates through, imparting a hard character to the supply. The aquifer's karst features allow rapid recharge but also concentrate dissolved solids from ancient marine deposits, with the dominant groundwater component driving the mineral content despite blending with desalinated and surface water sources.

Very hard water in Pinellas Park leads to significant scale buildup in pipes, heaters, and fixtures, reducing efficiency and lifespan. Most affected are water heaters, dishwashers, washing machines, and faucets, where mineral deposits cause clogging, higher energy bills, and frequent cleaning needs. Maintenance tips include regular vinegar descaling, installing sediment filters, and flushing systems annually. A water softener is highly recommended to mitigate these effects and extend appliance life. Average pH is around 7.8; the 2021 CCR reports compliance with lead and copper rules, no PFAS detections above limits, and minor disinfectant byproducts within MCLs. Treatment involves coagulation, filtration, chloramine disinfection, and corrosion control.

Geology & Source: Floridan Aquifer — Eocene Ocala Limestone and Avon Park Formation; soluble carbonate karst dissolves calcium and magnesium yielding hard supply; blended with surface water and Tampa Bay desalinated seawater; dominant groundwater drives mineral

Other Florida Water Reports

West and East Lealman

≈ 180+ mg/L

🔴 Very Hard

Lealman

≈ 120–179 mg/L

🟠 Hard

St. Petersburg

≈ 120–179 mg/L

🟠 Hard

Seminole

≈ 120–179 mg/L

🟠 Hard

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Frequently Asked Questions

Is Pinellas Park's water safe to drink?

Yes. Pinellas Park's water meets all federal safety standards. The hardness is 207 mg/L (Very Hard), which is safe to drink. High hardness affects appliances and taste, but poses no health risk.

Do I need a water softener in Pinellas Park?

At 207 mg/L (Very Hard), Pinellas Park'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 28%.

How does Pinellas Park compare to the USA average?

The USA national average is 151 mg/L. Pinellas Park (207 mg/L) is 56 mg/L above the national average. The softest major city is Scarsdale at just 0.02 mg/L.

Data Sources & Methodology

Water quality data for Pinellas Park 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.