1. Mapping Agricultural History to 1,2,3-TCP Detections
Residents of Berlin, Cheshire, Meriden, Southington, Wallingford, and surrounding New Haven County face decisions about their water quality this week, particularly in light of concerns about 1,2,3-trichloropropane (TCP). This chlorinated solvent was historically an impurity in soil fumigants used primarily during the mid-20th century and thereafter. These fumigants contributed to TCP presence in groundwater and surface water in agricultural regions. While the Meriden Water Division sources water from surface supplies, historical land use involving such fumigants helps explain regional detections of this compound, even decades later.
2. Resistance of 1,2,3-Trichloropropane to Air Stripping and Treatment Implications
One challenge with TCP is its chemical properties that render it resistant to air stripping, a treatment method often used for volatile organic compounds. Air stripping depends on the contaminant’s volatility to transfer it into air, but 1,2,3-trichloropropane’s low volatility limits this method’s effectiveness. Consequently, treatment approaches require technologies capable of adsorbing or chemically interacting with TCP rather than relying on volatilization. This informs the choice of household water treatment technologies to address this constituent specifically.
3. Comparing New Haven County with Neighboring Areas Without Over-Interpreting Data
Government data from the EPA’s public water system record for the Meriden Water Division (2013-2015) shows no detections of 1,2,3-TCP above the reporting threshold of 0.03 micrograms per liter (0.03 parts per billion). It is important to note this is a broad system-level survey of surface water sources serving over 58,000 people, not a specific assessment of individual household water. When comparing with neighboring counties, residents should understand that detections reported by region reflect generalized testing results, not precise indicators of any single well or tap water quality. Personal water testing is required to confirm household conditions.
4. How Treated Water at the Tap Changes with the C-Series 1,2,3-TCP Filter
Households that decide to address detected TCP can consider technologies designed to reduce chlorinated solvents. The C-Series 1,2,3-TCP Filter ships ready to configure for residential use. Its technology uses adsorption methods suited to chlorinated solvents resistant to air stripping. After treatment, water at the tap contains significantly fewer traces of 1,2,3-trichloropropane, providing peace of mind where system-level detections prompt caution. Importantly, treatment affects only this constituent and leaves other water qualities intact.
5. Distinguishing 1,2,3-Trichloropropane from Similar Water Concerns
1,2,3-TCP can sometimes be confused with other chlorinated solvents or aesthetic secondary standards such as total dissolved solids or chloride, which influence taste or staining but are not health-based issues. Unlike many secondary contaminants, TCP is a volatile organic compound linked to past industrial or agricultural uses. It is not related to microbial pathogens or metals like iron or manganese. Understanding these distinctions helps households focus testing and treatment efforts appropriately, ensuring they address priority concerns without unnecessary actions.
Deciding how to proceed after learning about the presence of 1,2,3-trichloropropane requires accurate testing and appropriate treatment options. The documented solution for households concerned about the concentration they measure is the C-Series 1,2,3-TCP Filter. It targets this chlorinated solvent effectively, aligning with system data from the Meriden Water Division and the unique challenges posed by 1,2,3-trichloropropane in New Haven County water supplies.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2014-12-16. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Meriden Water Division (CT0800011), CT: 24 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level