
Whole House 1,2,3-TCP Reduction Water Filter System - Trichloropropane Removal
1. Agricultural Land-Use History and 1,2,3-Trichloropropane Detections in Delaware County
1,2,3-trichloropropane, often abbreviated as 1,2,3-TCP or simply TCP, is a chlorinated solvent historically linked to certain pesticide production and use. In agricultural regions like Delaware County, Ohio, legacy land use involving chemical applications has motivated monitoring of this constituent in local water sources.
Federal occurrence data from the Delaware County Water Company, Inc., which serves approximately 150,000 residents with surface water from this area, shows no detections above 0.03 micrograms per liter (µg/L) of 1,2,3-TCP in twelve samples collected between May 2014 and February 2015. This absence of measurement above the reporting level suggests that widespread elevated presence in the public water system is unlikely. However, this system data reflects overall system conditions, not any single home's tap water.
2. Resistance of 1,2,3-Trichloropropane to Air Stripping and Treatment Implications
1,2,3-TCP has physical and chemical properties that make it resistant to air stripping—a treatment that removes volatile organic compounds by transferring them to air. TCP's low volatility means that typical aeration approaches in home water treatment will not effectively reduce it.
Consequently, households considering treatment options should evaluate technologies designed to address chlorinated solvents with low vapor pressure. Adsorption or specialized filtration techniques are common approaches capable of lowering 1,2,3-TCP levels if testing indicates its presence at concerning concentrations.
3. Differentiating 1,2,3-Trichloropropane from Similar Water Concerns
It is common to confuse 1,2,3-trichloropropane with other chlorinated solvents or contaminants, such as trihalomethanes or 1,2-dichloropropane. Unlike these, TCP originates primarily from historical pesticide-related sources rather than disinfection byproducts or industrial solvents.
This difference matters because it influences both the likelihood of occurrence in your water and the suitable treatment technologies. For example, approaches effective for reducing trihalomethanes may not target 1,2,3-TCP effectively due to its distinct chemical nature.
4. Reading Delaware County Water Records: Median, Range, and What It Means for a Homeowner
When evaluating public water system data like the EPA’s Unregulated Contaminant Monitoring Rule results, homeowners should note that non-detected levels of 1,2,3-TCP are reported as below 0.03 µg/L (parts per billion). The median and range in this system show zero detects above that level, indicating a low presence in the treated water supply reaching households.
However, this information alone does not establish the concentration in your specific home. Plumbing materials, water source variability, and private wells require individual water testing to determine if additional treatment is needed.
5. Treatment Considerations for Large Households, Second Homes, or Seasonal Properties
Households with multiple occupants or those with second or seasonal properties should consider differences in water usage patterns and system sizing when selecting treatment options for constituents like 1,2,3-TCP. A larger household may require a higher capacity system configured for steady removal, whereas a seasonal property might prioritize ease of maintenance during periods of inactivity.
Whatever the property type, testing the water at the point of use is essential to confirm the presence and concentration of TCP or related compounds before deciding on a treatment approach.
Summary
Delaware County’s public water system data show no detections of 1,2,3-trichloropropane above the reporting threshold, reflecting low occurrence in the shared supply. Households assessing their own water should first test for TCP to determine if treatment is warranted.
For homes needing specialized removal of 1,2,3-trichloropropane, the C-Series 1,2,3-TCP Filter ships ready to configure and employs technology effective against this chlorinated solvent. Deciding on treatment class starts with understanding the unique nature of TCP, local water data, and your household’s specific conditions.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-02-11. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Delaware County Water Company, Inc. (OH2101412), OH: 12 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level
