Iron Concentrations in Orange County's 120FLRD Aquifer
The U.S. Geological Survey has sampled groundwater across Orange County, Florida, focusing on the 120FLRD aquifer. Measurements from 39 wells, between depths of 280 and 1500 feet, recorded iron levels in 115 samples collected between May 2024 and May 2026. Iron was detected in 78 of these results, with concentrations ranging from 5.1 to 944.0 micrograms per liter (µg/L) and a median of 15.9 µg/L. The remaining 37 samples showed iron levels below the reporting limit.
Importantly, none of the iron measurements from these wells exceeded any federal regulatory threshold. This means that while iron is present at varying levels, there is no indication from this dataset that the local groundwater violates safety standards related to iron content.
What Iron Means for Your Household Water
Iron in water often affects taste, odor, and staining rather than posing a direct health risk. For households on municipal supply drawn from this aquifer or private wells in the area, iron can cause reddish-brown stains on plumbing fixtures, laundry discoloration, and a metallic taste. Hard water combined with iron can also contribute to scale buildup on appliances and pipes, potentially reducing their efficiency and lifespan.
Since the iron levels detected vary widely around Orange County, it is not possible to know your household’s specific iron concentration without water testing. Testing your water will reveal if iron is present at levels that require treatment and how it interacts with hardness in your water supply.
Determining Your Household Water Quality
To understand the severity of hard water and iron in your residence, comprehensive water analysis is essential. This includes measuring iron concentration, hardness, pH, and other water chemistry parameters. A qualified laboratory can provide accurate testing based on a sample from your tap or well.
Addressing Iron and Hard Water at Home
One documented option to mitigate issues caused by iron and hard water is the WSP Whole House Chlorination System - Well Water, Total. This system utilizes chemical feed technology to treat water throughout a household’s plumbing. It is designed to manage iron concentrations effectively and improve the quality of hard water by addressing the chemical characteristics contributing to staining and scaling.
The system ships ready to configure, providing an accessible solution for households looking to improve water aesthetics and protect plumbing and appliances.
Summary
- Groundwater iron in Orange County’s 120FLRD aquifer varies widely but remains within federal safety standards.
- Iron commonly affects water taste, staining, and appliance maintenance rather than health.
- Your household’s water iron and hardness levels should be determined through direct testing before selecting treatment.
- The WSP Whole House Chlorination System provides a chemical feed method to effectively reduce iron-related water problems and improve hard water conditions.
Where this information comes from
Source: USGS groundwater sampling. These figures describe groundwater sampled in this area. They are not a test of any individual private well - only a test of that well can establish its own water.
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