Fleck 1,2,3-TCP Filter

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Government Sampling for 1,2,3-TCP in Columbia County Water

According to EPA records for the Magnolia Waterworks public water system, which serves over 11,000 people in Columbia County, Arkansas, no samples taken between 2013 and 2015 detected 1,2,3-trichloropropane (TCP) above the reporting threshold of 0.03 micrograms per liter (µg/L), or 0.03 parts per billion (ppb). This means that while the chlorinated solvent was tested for, it was not measured above that minimal level in this surface water supply. It's important to note that this data reflects the public system as a whole and does not assure the TCP level in any one household's water.

How a Soil Fumigant Impurity from the 1950s–1980s Can Resurface Decades Later

1,2,3-TCP is an industrial chemical once widely used as a soil fumigant and as a solvent impurity. Although discontinued decades ago, TCP's persistence in the environment can lead it to slowly migrate into groundwater sources years later. It can remain in soil and leach down to aquifers, entering wells or water distribution systems over long periods, particularly in agricultural areas. This delayed movement explains why TCP might be detected well after its initial use ceased.

What to Record Before Seeking Treatment Guidance

Before exploring water treatment options for 1,2,3-trichloropropane, homeowners should have specific information documented:

• The results of a current water test for TCP concentration measured in micrograms per liter or parts per billion from a certified laboratory.
• Details about the home’s water source—whether from a private well or the public system.
• Any recent issues with existing water equipment, such as failure or reduced performance.
• Other water quality characteristics that may affect treatment choice—such as flow rate, water hardness, or presence of other contaminants.

How 1,2,3-TCP Enters Groundwater or Distribution in This Region

In Columbia County, the Magnolia Waterworks system draws from surface water sources. While no elevated TCP levels were detected during EPA’s 2013-2015 monitoring, TCP contamination can enter groundwater through historical pesticide applications and industrial activity within agricultural areas. TCP can then potentially reach private wells or occasionally impact distribution systems if groundwater sources feed into them or if cross-contamination occurs.

Comparing Columbia County's Record with Neighboring Counties: Avoiding Overinterpretation

While Columbia County’s public water system records show no TCP detections above the reporting level, neighboring counties might display different measurement patterns due to variations in land use, water sources, or monitoring scope. It is essential not to assume similar conditions across counties without reviewing their specific data. Likewise, a lack of detection does not guarantee complete absence in private wells, emphasizing the need for individual water testing rather than relying solely on area-wide public data.

Agricultural Land-Use History and Its Relation to 1,2,3-TCP Findings

Historical agricultural practices in Columbia County, involving soil fumigants historically containing TCP impurities, contribute to any legacy presence of this constituent. Areas with intense farming or pesticide use from the mid-20th century may correlate with sporadic detections. However, because TCP binds tightly to soil and moves slowly, its distribution is uneven and unpredictable without direct sampling.

California's 5 ng/L State Limit Compared to the Absence of a Federal Maximum Contaminant Level

California enforces a very low public health goal of 5 nanograms per liter (ng/L), equivalent to 0.005 micrograms per liter, for 1,2,3-trichloropropane in drinking water, reflecting precautionary regulatory action. In contrast, federal regulations have not established a maximum contaminant level for TCP. Thus, EPA monitoring reports focus on detection presence rather than legal limits for TCP. Understanding this difference is crucial when interpreting measurement results and deciding on treatment.

Meeting Your Water Needs After Equipment Failure: The Fleck 1,2,3-TCP Filter

If your existing water treatment equipment has failed and your water tests indicate the need to address 1,2,3-trichloropropane, the Fleck 1,2,3-TCP Filter offers a documented approach to configuring treatment tailored to your measured demand. This Fleck system is designed to handle chlorinated solvent reduction per residential requirements and ships ready to configure for household use. Testing your water first ensures the system matches your specific 1,2,3-trichloropropane concentration and usage patterns.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2014-09-10. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR3 monitoring (2013-2015) for Magnolia Waterworks (AR0000109), AR: 8 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level