How does Kissimmee's water compare to the national average?

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

Kissimmee Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

8.5

neutral = 7.0

Lead

0.008 mg/L

✓ Below action level

TDS

919.6 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 Kissimmee, your appliances are currently losing 20% efficiency due to mineral buildup.

Appliance	In Kissimmee	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 Kissimmee compares to its nearest neighbours

City	Hardness	PFAS (ppt)	Risk	Source
▶ Kissimmee, Florida	≈ 120–179 mg/L	0 ppt	🟠 Hard	groundwater
Hunters Creek, Florida	≈ 120–179 mg/L	6.6 ppt	🟠 Hard	groundwater
Buenaventura Lakes, Florida	≈ 120–179 mg/L	7.2 ppt	🟠 Hard	groundwater
Southchase, Florida	≈ 180+ mg/L	10.7 ppt	🔴 Very Hard	groundwater
Meadow Woods, Florida	≈ 120–179 mg/L	12.7 ppt	🟠 Hard	groundwater

National Benchmark

How Kissimmee compares to the USA average

Benchmark	Hardness	Appliance Risk
▶ Kissimmee	≈ 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 Kissimmee's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 919.6 mg/LpH: 8.5

Kissimmee is served by the Toho Water Authority, which delivers water to the Kissimmee area in Osceola County, Florida. The utility sources water exclusively from the Floridan aquifer, the primary groundwater supply underlying the entire state. Toho Water Authority operates water treatment facilities and continuously tests water for compliance with federal and state drinking water standards throughout the year.

The Kissimmee water supply originates from the Floridan aquifer, which consists primarily of carbonate limestone formations. In the central Florida region, this aquifer yields water with elevated mineral content — particularly dissolved calcium and magnesium salts characteristic of limestone geology — producing hardness typically greater than 180 ppm. The carbonate-rich geology of the region results in a hard water supply typical of much of central Florida's municipal water systems.

At the hardness levels present in Kissimmee's supply, residents may experience scale buildup in water heaters, kettles, and plumbing fixtures, and soap and detergent efficiency is reduced. Dishwashers and washing machines may require higher detergent doses and more frequent maintenance. Many homeowners choose to install point-of-use or whole-house water softening systems to mitigate these effects. Toho Water Authority conducts regular testing by trained scientists and technicians to ensure compliance with Safe Drinking Water Act standards, publishing annual water quality reports documenting contaminant levels and treatment processes.

Geology & Source: Floridan aquifer — carbonate limestone formations beneath central Florida dissolve calcium and magnesium salts; hardness typically exceeds 180 ppm, producing a characteristically hard supply

Other Florida Water Reports

Hunters Creek

≈ 120–179 mg/L

🟠 Hard

Buenaventura Lakes

≈ 120–179 mg/L

🟠 Hard

Southchase

≈ 180+ mg/L

🔴 Very Hard

Meadow Woods

≈ 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 Kissimmee's water safe to drink?

Yes. Kissimmee'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 Kissimmee?

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

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