Interpreting Your Lab Report for 1,2,3-Trichloropropane
When you receive a laboratory test report for your household water, the listing for 1,2,3-trichloropropane (often abbreviated as 1,2,3-TCP or TCP) will show the concentration in micrograms per liter (µg/L), which is equivalent to parts per billion (ppb). It is important to understand that a detection indicates the chemical was measured, not that there is a violation or health risk. For the Water District #1 of Johnson County system supplying Kansas City, the Environmental Protection Agency's records from 2013 to 2015 found no detectable 1,2,3-TCP above the 0.03 µg/L reporting level in any tested sample. This data describes the water system as a whole and does not guarantee the absence or presence of 1,2,3-TCP in any individual home.
Legacy Soil Fumigant Contaminant: How 1,2,3-TCP Reaches Groundwater
1,2,3-Trichloropropane is a chlorinated solvent historically used as an impurity in soil fumigants from roughly the 1950s through the 1980s. Over time, this compound has migrated through soil and groundwater. Its chemical stability means it can persist for decades, slowly moving from upper soil layers to deeper groundwater reserves that supply wells or surface water. This movement explains why 1,2,3-TCP can be detected in water sources far beyond the original areas of pesticide application.
Agricultural Land Use in Johnson County and Its Connection to TCP Monitoring Results
Johnson County has a mixed land-use history, including agricultural areas that might have applied fumigants containing 1,2,3-TCP decades ago. Although samples from the local public water system have shown no detections above the reporting limit, understanding local land use patterns helps contextualize where traces of TCP could persist. This background supports why periodic monitoring occurs, even if the current water source is surface water, as historical usage impacts regional water quality over time.
Why Air Stripping Is Ineffective for 1,2,3-Trichloropropane
1,2,3-TCP is resistant to removal by air stripping because of its low volatility and chemical properties. Air stripping relies on transferring volatile contaminants from water to air, which works for many solvents but not for TCP. This characteristic means homeowners or water managers seeking treatment options must consider other technologies capable of adsorbing or chemically neutralizing 1,2,3-trichloropropane.
How the C-Series Technology Addresses 1,2,3-TCP
The documented approach for reducing 1,2,3-trichloropropane involves the C-Series 1,2,3-TCP Filter, a technology designed to adsorb and capture this chlorinated solvent from water before it reaches the tap. This system ships ready to configure and operates without the use of air stripping. It provides a focused treatment option for households concerned about 1,2,3-TCP, complementing other routine water quality measures.
Recommended Steps Before Testing or Treatment
- Start with verifying if your water source is part of the public system monitored by Water District #1 of Johnson County, as their most recent records show no detections above the reporting level.
- If you rely on a private well or other supply, a comprehensive laboratory test specifically measuring 1,2,3-TCP at or below the 0.03 µg/L level is necessary to establish your water's status.
- Consider testing for other common parameters alongside 1,2,3-TCP to understand your overall water quality and identify any co-occurring issues.
Differences Between State and Federal Standards for 1,2,3-TCP
The federal government has not established a maximum contaminant level (MCL) for 1,2,3-trichloropropane, indicating no enforceable legal limit nationwide. However, some states such as California have set stringent limits—for example, 5 nanograms per liter (ng/L), which is 0.005 µg/L—well below typical reporting levels. This disparity means homeowners may see concerns reflected in state guidelines that do not appear in federal monitoring. Understanding these differences helps contextualize test results and treatment decisions for your household.
Summary and Next Steps for Johnson County Residents
If laboratory testing reveals 1,2,3-trichloropropane in your water at levels of concern based on your personal thresholds, the C-Series 1,2,3-TCP Filter offers a documented solution designed to address this specific chlorinated solvent. This equipment ships ready to configure, allowing you to tailor treatment to the demand your water quality measurements indicate. Balancing knowledge of local monitoring data with thorough individual testing is key to making informed decisions about your household water quality and treatment needs.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2014-05-21. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Water District #1 of Johnson County (KS2009110), KS: 11 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level