If you think your water’s 1,2,3-TCP levels are a direct reflection of public data, here’s what to know
Government monitoring of the City of Laramie’s public water system from 2013 to 2015 found no detections of 1,2,3-trichloropropane (TCP) above 0.03 micrograms per liter (µg/L), equivalent to 0.03 parts per billion (ppb). These results represent water before it enters home plumbing, serving over 32,000 people through nearly 10,000 connections. While this monitoring demonstrates no widespread presence at or above the test reporting level, it does not fully predict the level within any single household’s water due to many localized factors.
If your household’s plumbing is aging or has certain materials, what does that mean for TCP exposure?
1,2,3-TCP in source water is one factor, but water quality can shift after it passes through pipes and fixtures. Older plumbing materials or certain pipe linings may interact differently with chlorinated solvents or affect contaminant persistence. This can influence how much TCP or similar compounds remain present or accumulate by the time water reaches taps. Existing treatment at home may not fully address these variations, which explains why some households experience challenges despite stable municipal water records.
If you operate a commercial or industrial site, what should you consider beyond a household scale?
Businesses may face additional questions like regulatory compliance, larger consumption volumes, and specialized water quality needs. Unlike single households, these factors require water quality assessment tailored to processes or requirements unique to commercial use. Although the municipal system data applies broadly, such operators must evaluate TCP presence and treatment capacity with their specific context in mind.
If your household’s current equipment is strained by 1,2,3-trichloropropane, what can advanced filtration do?
The chlorinated solvent 1,2,3-TCP is resistant to simple water treatment methods such as air stripping. Specialized equipment designed to handle this challenge relies on contact time and media suited to adsorb or neutralize TCP effectively. One documented option, the C-Series 1,2,3-TCP Filter, ships ready to configure and is engineered to meet the demand of households experiencing persistent TCP presence despite existing treatment devices. This technology targets the compound specifically, supporting households aiming to maintain water quality as usage or concentration fluctuates.
If only a small number of public water samples detect TCP, what does the sample size mean for your household?
The public water system’s TCP monitoring included 10 results with zero detected above the reporting threshold, representing a limited sample size focused on overall system performance. Small sample counts provide useful snapshots but cannot capture every variation or momentary spike at all points of use across the city. For a household, especially one with private well sources or unique plumbing configurations, dedicated water testing is necessary to ascertain actual 1,2,3-trichloropropane levels.
For households in Laramie managing growing TCP treatment needs, the C-Series 1,2,3-TCP Filter offers a vetted approach to address the compound’s persistence. This product can support demand where existing equipment alone is unable to keep pace.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2013-11-19. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for City of Laramie (WY5600029), WY: 10 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level