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Understanding Iron Presence in Orange County’s Aquifer 120FLRD

In Orange County, Florida, groundwater from aquifer 120FLRD is a common source for residential water. Government sampling by the U.S. Geological Survey between May 2024 and May 2026 examined 115 samples from 39 wells at depths ranging from 280 to 1500 feet. These tests found iron detected in 78 results with concentrations ranging from 5.1 to 944 micrograms per liter (ug/L), and a median concentration of 15.9 ug/L. None of these iron levels exceeded any federal safety thresholds.

While these area-wide figures show the presence of iron, the actual iron concentration in your home’s water can only be determined by a specific test of your water source. This is crucial because iron, even at levels below regulatory concern, can cause issues related to water aesthetics and system performance.

Impact of Iron and Hard Water on Residential Systems

Iron contributes to common household water problems such as discoloration, metallic taste, and stains on fixtures or laundry. Concurrently, hard water—characterized by elevated calcium and magnesium—can lead to mineral buildup, reducing the efficiency of appliances and plumbing. When existing water treatment equipment is unable to efficiently handle the combined challenge of iron and hardness, these problems can intensify, impacting comfort and maintenance needs.

It's important to recognize that municipal water systems in Orange County have no recorded health-based violations related to iron or hardness, so the issues are primarily related to aesthetics and equipment protection.

What Home Testing Should Include

If your current water treatment system struggles to keep pace, comprehensive testing is the next step. Testing should measure not just iron concentration, but also water hardness levels and other potential contaminants such as manganese or hydrogen sulfide that can accompany iron. Accurate data will guide choosing the appropriate treatment solution tailored to your home's water profile.

How Chemical Feed Chlorination Addresses Iron and Hard Water

When managing iron and hard water challenges that existing systems cannot fully control, chemical feed chlorination technology offers a reliable approach. These systems operate by injecting a controlled amount of chlorine-based chemicals to oxidize dissolved iron, converting it into a solid form that can be filtered out. This process helps prevent iron staining and buildup while improving water clarity and taste.

The Sulfur & Bacteria Well System — Chlorination (Heavy-Duty) (Iron) model is designed for residential use with a capacity of 48,000 grains and a flow rate of 17 gallons per minute. It ships ready to configure for straightforward integration into your water system. This system is especially effective when deep wells in Orange County’s aquifer present iron concentrations that challenge conventional softening equipment.

Summary

• Government data confirms iron is present in the 120FLRD aquifer but below federal safety thresholds.
• Iron combined with hard water can cause staining and equipment performance issues.
• Testing your home’s water for iron and hardness is essential for selecting proper treatment.
• Chemical feed chlorination systems are a documented option that chemically treat iron to improve water quality.
• The Sulfur & Bacteria Well System — Chlorination (Heavy-Duty) delivers heavy-duty performance suited to Orange County home water conditions.

Understanding the specific characteristics of your water enables you to move beyond existing equipment limitations toward a treatment solution designed for persistent iron and hard water problems in Orange County.

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.

The documented solution

Sulfur & Bacteria Well System — Chlorination (Heavy-Duty) (Iron)