Whole House 1,2,3-TCP Reduction Water Filter System - Trichloropropane Removal
If you notice a peculiar chemical taste or are researching 1,2,3-trichloropropane (TCP) levels in your home water in Westerly, Washington County, Rhode Island, this page helps you understand what regional data reveals and how you might choose the water treatment that suits your household’s needs.
If you know 1,2,3-TCP resists air stripping
1,2,3-trichloropropane is a chlorinated solvent that does not evaporate easily from water. This characteristic means treatments based on air stripping, such as aeration towers or diffused air systems, are ineffective at reducing TCP. When deciding on treatment classes, technologies that rely on adsorption or catalytic breakdown are necessary. This resistance to air stripping shapes the options suitable for removing or reducing TCP in household water.
If you consider the region’s agricultural land-use history
Westerly and Washington County have a history of intensive agricultural activity where soil fumigants were applied decades ago. 1,2,3-TCP can be a legacy impurity originating from these past soil fumigant applications, gradually migrating into deep groundwater. Sampling by the EPA’s Unregulated Contaminant Monitoring Rule (UCMR3) for the Westerly Water Department detected no levels above 0.03 micrograms per liter (µg/L, or parts per billion) over fourteen results from 2013 to 2015. Groundwater sources serving the public system reflect this historical context without indicating current high levels.
If you want to distinguish 1,2,3-TCP from similar water concerns
It is important not to confuse 1,2,3-TCP with other chlorinated solvents or disinfection byproducts that differ biologically and chemically. For example, trihalomethanes (THMs) and perchlorate have distinct treatment needs and regulatory limits. 1,2,3-TCP is a specific volatile organic compound with unique chemical resistance. This distinction influences both the urgency and type of treatment recommended.
If you consider the meaning of regional detection ranges
The EPA sampling for Westerly’s public water system found no 1,2,3-trichloropropane at or above the reporting level of 0.03 µg/L in fourteen samples. The UCMR3 program does not establish a maximum contaminant level (MCL) for TCP, so detections or nondetections do not signify safety breaches or treatment mandates. Instead, these measurements reflect the presence or absence of TCP at sensitive detection thresholds within the public supply. Your household water could differ and should be tested individually to determine specific conditions.
If 1,2,3-TCP is left untreated over time
While no health-based violations have been recorded for Westerly public water, prolonged exposure to chlorinated solvents including TCP is cautiously monitored due to their persistence and potential effects at higher concentrations. Untreated TCP does not evaporate readily and can accumulate depending on source contamination and water use patterns. Over long periods, exposure concerns focus on cautious management rather than immediate public health crises. Selecting a treatment class capable of addressing chlorinated solvents is a prudent step if tests find measurable TCP in your home’s water.
In summary, the EPA’s public water system records for the Westerly Water Department serving Washington County, Rhode Island, show no health-based violations for TCP or any other measure over recent monitoring cycles. These data reflect the system-wide water quality derived from groundwater sources. For specific household water conditions, independent testing is essential. When considering treatment, technologies like the C-Series 1,2,3-TCP Filter ship ready to configure and employ methods suited to address 1,2,3-trichloropropane effectively.
For further details, the EPA’s Safe Drinking Water Information System (SDWIS) public water system records provide comprehensive regional monitoring information.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-09-16. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Westerly Water Department (RI1559512), RI: 14 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level