Deciding on Treatment for 1,2,3-TCP in Kendall County Groundwater

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Whole House 1,2,3-TCP Reduction Water Filter System - Trichloropropane Removal

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Whole House 1,2,3-TCP Reduction Water Filter System - Trichloropropane Removal

Whole House 1,2,3-TCP Reduction Water Filter System - Trichloropropane Removal

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How a Soil Fumigant Impurity from the 1950s-1980s Reached Deep Groundwater Decades Later

1,2,3-trichloropropane (TCP) is a chlorinated solvent once used historically as a soil fumigant and in industrial applications. Residuals from these uses have migrated into groundwater over time, sometimes surfacing in community water supplies decades after the original application. This migration is slow due to TCP's chemical properties and the underground environment, making it a persistent presence in certain groundwater sources.

Granular Activated Carbon Contact Time: Why Bed Depth Matters More for TCP than for Taste

Effective treatment of 1,2,3-TCP requires more than just filtering for taste or odor. Unlike some common aesthetic water issues, TCP's removal depends heavily on the design of filtration media, especially the depth of granular activated carbon beds. Longer contact time between water and carbon media enhances the adsorption of low-level chlorinated solvents like TCP, meaning deeper media beds generally provide better outcomes for reducing TCP concentrations.

How the Treated Water Differs at the Tap Once the Documented Technology Is in Place

After configuring a targeted treatment solution designed for chlorinated solvents, homeowners typically notice water that retains its normal taste and clarity while reducing the trace chlorinated solvents that are harder to detect without a lab. The water meets the community system's standards and is free from additional residues that can result from untreated TCP presence in groundwater.

How the Documented Treatment Technology Removes or Neutralises the Constituent

The Autotrol System utilizes carbon filtration technology programmed to address compounds like 1,2,3-TCP. This technology adsorbs TCP molecules from the water passing through the media, preventing them from reaching household taps. This is achieved without chemical additives or changes to water chemistry, preserving the water's natural qualities while targeting the chlorinated solvent.

What Happens When This Problem Is Left Untreated for Years, Stated Without Exaggeration

Prolonged exposure to 1,2,3-trichloropropane, even at low levels found in some groundwater, may pose concerns that encourage precautionary measures. Untreated TCP can linger unnoticed, possibly accumulating in household water systems. While no federal maximum contaminant level (MCL) exists for TCP, responsible households prefer to manage its presence proactively through appropriate water treatment solutions.

What a Certified Laboratory Test for This Constituent Reports and How to Read It

When a certified laboratory tests water for 1,2,3-TCP, results are reported in micrograms per liter (µg/L), equivalent to parts per billion (ppb). A detected value indicates the presence of TCP molecules but does not by itself signal a health violation or unsafe water. For Oswego’s community system, samples taken from 2013 to 2015 showed all TCP concentrations below 0.03 µg/L, the level at which federal reporting begins, with no federal maximum contaminant level established. Individual household water can vary; only specific testing of your home water can confirm local concentrations.

To address the possible presence of TCP in your household water, the Autotrol 1,2,3-TCP Filter ships ready to configure for direct purchase. It provides a focused approach to managing chlorinated solvent levels measured in your water, helping you make informed decisions for your family’s water quality needs.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2014-01-14. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR3 monitoring (2013-2015) for Oswego (IL0930150), IL: 16 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level