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Alafaya Water Hardness & Quality Report (2026)

Water Hardness

hard

~120–179 mg/L

Hard

estimated · not lab-verified

Source

groundwater

pH Level

7.7

neutral = 7.0

Lead

0.004 mg/L

✓ Below action level

TDS

691 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 Alafaya, your appliances are currently losing 20% efficiency due to mineral buildup.

ApplianceIn AlafayaSoft 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 Alafaya compares to its nearest neighbours

CityHardnessPFAS (ppt)RiskSource
Alafaya, Florida≈ 120–179 mg/L7.9 ppt🟠 Hardgroundwater
Goldenrod, Florida≈ 120–179 mg/L7 ppt🟠 Hardgroundwater
Azalea Park, Florida≈ 180+ mg/L6.5 ppt🔴 Very Hardgroundwater
Oviedo, Florida≈ 120–179 mg/L0 ppt🟠 Hardgroundwater
Winter Park, Florida≈ 120–179 mg/L0 ppt🟠 Hardgroundwater

National Benchmark

How Alafaya compares to the USA average

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

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What Makes Alafaya's Water Unique?

Local geology and source profile

Source: GroundwaterTDS: 691 mg/LpH: 7.7

Alafaya, an unincorporated community in Orange County, Florida, receives its water from the Orange County Utilities (OCU) system. The primary source is groundwater extracted from the Floridan Aquifer System via wells in the central Florida region. Key facilities include the Wekiva drinking water treatment plant and associated wellfields serving eastern Orange County, including Alafaya. OCU provides potable water to over 800,000 residents across the county. Treatment involves aeration, filtration, chloramination, and lime softening to stabilize pH and reduce corrosivity, with aquifer water blended with minimal surface inputs if needed.

The supply originates within the St. Johns River Water Management District watershed but is primarily shaped by local hydrogeology. The Floridan Aquifer, confined by the intermediate aquifer system above, consists of thick sequences of karstic limestone from the Eocene Ocala Limestone and underlying formations including the Avon Park Formation. This geology dissolves calcium and magnesium into the water, yielding a hard supply prone to mineral accumulation. Karst cavities and conduits facilitate rapid flow while enhancing mineral pickup from surrounding carbonate rock, contributing to elevated dissolved solids typical of central Florida groundwater.

Moderately hard water leads to scale buildup in pipes, water heaters, and dishwashers, reducing efficiency and lifespan. Laundry may require more detergent, and skin or hair might feel drier after bathing. Regular vinegar descaling, low-flow aerators, and annual maintenance help mitigate issues. A water softener is recommended for households noticing soap inefficiency or fixture spotting. Orange County water typically has a pH of 7.5–8.5; lead and copper rule compliance is maintained through corrosion control, with 90th percentile copper below action levels in recent CCRs. Notable contaminants include low levels of radium from natural aquifer sources and disinfection byproducts like TTHMs, all below MCLs post-treatment.

Geology & Source: Floridan Aquifer System — Eocene Ocala Limestone and Avon Park Formation karstic carbonates; karst cavities enhance mineral pickup; calcium and magnesium dissolution yields hard central Florida groundwater

Other Florida Water Reports

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Frequently Asked Questions

Is Alafaya's water safe to drink?
Yes. Alafaya'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 Alafaya?
At ≈ 120–179 mg/L (Hard), Alafaya'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 Alafaya compare to the USA average?
The USA national average is 151 mg/L. Alafaya (≈ 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 Alafaya 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.