If you've noticed unusual taste or if you are investigating the quality of your tap water in Middleborough, Plymouth County, you might have encountered concerns about 1,2,3-trichloropropane (TCP), a chlorinated solvent. Homeowners often wonder if this chemical appears in their water and what it means for daily use.
Why the reporting level for this solvent is thousands of times lower than for common metals
The Environmental Protection Agency (EPA) uses a very low reporting level of 0.03 micrograms per liter (µg/L), which is equivalent to 0.03 parts per billion (ppb), for 1,2,3-trichloropropane in public water systems like Middleborough's. This threshold is much lower than those set for many metals due to the nature of TCP as a synthetic chemical historically used as a contaminant in soil fumigants. Its potential health implications and persistence in groundwater demand sensitive detection methods, though it is important to understand that detection below federal maximum contaminant levels (MCLs) has not been established because there is no MCL for 1,2,3-TCP currently.
The agricultural land-use history of the region and how it maps onto detections
Middleborough's water system source is groundwater, influenced by the region's agricultural past. From the 1950s to the 1980s, some fumigants used in soil treatment contained impurities of 1,2,3-TCP, which could leach into deep groundwater over decades. However, the federal Unregulated Contaminant Monitoring Rule 3 (UCMR3) data collected from 2013 to 2015 shows that in the Middleborough Water Supply system, no detections were reported above the reporting level for TCP. This historical context explains why TCP is monitored closely but also why current public water records do not show evidence of concerning concentrations.
How to compare this area's record with a neighbouring county's without overreading it
It can be tempting to compare Middleborough’s data with nearby areas in Plymouth County or neighboring counties, but water system conditions vary by source and geography. Middleborough’s supply draws groundwater serving over 15,000 residents in 6,281 connections, whereas neighboring counties may rely on different sources or have alternative historical land uses affecting presence of chlorinated solvents. Detection or absence of TCP in one system is not transferable proof of your own home's water quality. To know your specific household’s 1,2,3-trichloropropane level, a dedicated water test on your own well or tap is necessary.
How the documented treatment technology removes or neutralises the constituent
When elimination of 1,2,3-trichloropropane from household water is desired, specialized filtration technology is available. The Fleck 1,2,3-TCP Filter is designed to address chlorinated solvents, including TCP, by utilizing targeted media and treatment methods that can effectively reduce these compounds. This equipment ships ready to configure for home use and is a documented solution capable of treating household water even if background regional data shows minimal detection. Employing such technology provides an extra layer of confidence for homeowners concerned about this solvent.
What the reader should write down before asking anyone for treatment advice
- Identify your water source type: municipal groundwater, well water, or other.
- Obtain recent water quality reports for your public water system or conduct specific testing on your home water.
- Note any unusual water characteristics: taste, smell, or discoloration.
- Understand if your area has had historical agricultural use potentially contributing to solvent presence.
- Collect data on any prior treatments or filtration devices currently in use in your home.
How seasonal or multi-year variation shows in the record (dates and ranges given)
The federal UCMR3 data for the Middleborough Water Supply was collected between February 19 and August 28, 2014. Throughout this monitoring period, 21 samples were analyzed for 1,2,3-trichloropropane, and none showed concentrations above the reporting level. This shows a consistency in low or undetectable levels during that time frame. While seasonal changes or longer-term trends might influence water quality, the multi-sample record across months provides reassurance that 1,2,3-TCP does not frequently appear at measurable levels within this public water system.
This page has examined common beliefs about 1,2,3-trichloropropane in Middleborough’s water and contrasted them with actual federal monitoring data. While no detections above the reporting limit have been found by recent surveys, only testing your own water can confirm its quality. Should treatment be desired, the Fleck 1,2,3-TCP Filter offers a viable method to address concern over chlorinated solvents at home.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2014-08-28. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Middleborough Water Supply (MA4182000), MA: 21 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level
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