What does a laboratory test report for 1,2,3-TCP typically show?
A lab report for 1,2,3-trichloropropane (1,2,3-TCP) will present a measured concentration in micrograms per liter (µg/L), often showing values at or near the detection limit. For the Honolulu-Windward-Pearlharbor public water system, federal monitoring from 2013 to 2015 detected 1,2,3-TCP in 3 out of 99 samples, with the highest measurement reaching 0.04 µg/L. These values are below any established federal maximum contaminant level (MCL), as none currently exists for 1,2,3-TCP. A detection simply means the chemical was measured by sensitive instruments, not that the water is unsafe or in violation of standards.
How should residents approach ruling out 1,2,3-TCP as a concern in their household water?
Start by understanding the difference between regional system data and your home's actual water quality. The Honolulu system relies on groundwater sources, which have been monitored extensively, but local variations can exist. Since sampling shows very low detection frequencies and levels, a practical first step is a targeted laboratory analysis of your household water focusing on 1,2,3-TCP specifically. This test confirms whether 1,2,3-TCP is present at concentrations relevant to treatment decisions. Basic visual or taste observations are not reliable indicators for this compound, so direct measurement is essential before considering treatment options.
What do the sampling size and number of wells indicate about the public system's 1,2,3-TCP results?
The data from 99 samples reflect a broad monitoring effort across Honolulu’s extensive water system supplying over 630,000 people. Multiple wells and points contribute to these results, representing an aggregate picture rather than individual household conditions. Low detection occurrences suggest that 1,2,3-TCP concentrations are generally low throughout the supply. However, because only a small fraction of samples detected 1,2,3-TCP just above the detection threshold, a single or few readings do not define the entire system’s water. This highlights the need for personal water testing to accurately characterize your home’s water quality.
How is water from the tap expected to change after applying C-Series 1,2,3-TCP treatment?
Once water passes through the C-Series 1,2,3-TCP Filter, the concentration of 1,2,3-trichloropropane is substantially reduced. This means tap water will have fewer detectable traces of the compound, improving peace of mind about chemical presence. The treatment does not alter other water characteristics like taste, odor, or mineral content significantly, focusing instead on targeting this specific compound. The filter ships ready to configure with your existing plumbing setup, offering a streamlined solution that complements other household water needs.
What process does the C-Series technology use to treat 1,2,3-TCP?
The C-Series system utilizes a specialized filtration technology designed to adsorb and remove 1,2,3-trichloropropane molecules from water. This technology captures the compound on filter media engineered for this purpose, preventing it from reaching the faucet. The process operates without adding chemicals or generating harmful byproducts. Its documented effectiveness is based on controlled testing, indicating a reliable reduction in 1,2,3-TCP concentrations where it is present. This solution is intended for point-of-entry configuration, making treated water accessible throughout the household.
How can a certified lab test report guide my 1,2,3-TCP water treatment decision?
A certified laboratory test report details 1,2,3-TCP concentrations in micrograms per liter, often with a detection limit near 0.03 µg/L. A confirmed detection slightly above this level helps quantify your household exposure and justify treatment. Conversely, a non-detect result indicates concentrations below the detection capability, suggesting minimal concern for 1,2,3-TCP at your location. Interpreting these results alongside the public system’s monitoring data helps make an informed choice about employing a specialized filter like the C-Series 1,2,3-TCP Filter.
What is the recommended test to confirm 1,2,3-TCP levels and when does it clarify treatment needs?
The recommended step is to order a focused laboratory analysis for 1,2,3-trichloropropane on your household water sample. A result showing 1,2,3-TCP at or above the detection threshold documented in local system monitoring would support considering a treatment solution. If the 1,2,3-TCP measurement is non-detect or well below localized detection levels, treatment may not be necessary. This single targeted test provides critical evidence to guide your choice confidently between different water treatment equipment options available for residential use in Honolulu.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2014-07-15. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Honolulu/Windward/Pearl Harbor (HI0000331), HI: 99 results across 1 listed contaminants, 3 detections above the reporting level; no federal MCL