This week, households in Lincoln Parish face a choice between two technical approaches for addressing 1,2,3-trichloropropane (TCP) in their water supply. Understanding what government records show—and what they do not—is key to making an informed decision.
Myth: Agricultural History Directly Determines TCP in Your Home’s Water
Because 1,2,3-TCP is a chlorinated solvent historically linked to soil fumigation in agriculture, it is reasonable to connect local farming activities with its presence in water. Lincoln Parish’s water comes from groundwater sources, which can be influenced by past land use. However, the Ruston Water System serving this area has undergone monitoring under the EPA’s Unregulated Contaminant Monitoring Rule (UCMR3), which found no detectable 1,2,3-TCP above the reporting level of 0.03 micrograms per liter (µg/L) in any tested samples between 2014 and 2015. This monitoring covers a broad sample of the municipal supply serving over 22,000 people and nearly 8,400 connections, not individual wells. While agricultural land use is a factor studied nationally and regionally, local system data show no measurable TCP in public supply water during this period.
Myth: The Reporting Level for 1,2,3-TCP Is Comparable to Common Metals
The reporting level for 1,2,3-TCP is set at 0.03 µg/L, which is thousands of times lower than typical detection limits for metals such as iron or manganese. This difference arises because TCP is a synthetic chlorinated solvent regarded with higher caution due to its chemical properties, not because of a direct health violation or unsafe status in this particular water system. Unlike metals, which often have aesthetic secondary standards governing taste or staining, TCP monitoring focuses on tracking its occurrence at very low levels due to its industrial origin. The low reporting threshold does not imply that the absence of detection corresponds to an absence of safety.
Myth: Public Water Records Reflect Private Well Conditions for TCP
Public water system testing, like that of the Ruston Water System in Lincoln Parish, samples water after treatment and distribution to many users, providing a generalized snapshot of water quality. This record shows zero health-based violations for 1,2,3-TCP or other contaminants in this system. However, private wells have separate water chemistry and can be subject to different contamination patterns. Homeowners concerned about TCP in their private well water should arrange for independent testing, as the public system’s findings do not substitute for private well analysis. The difference between public system monitoring and private well testing is crucial: the former reflects a community-wide water supply, the latter reflects a single source.
Myth: The Technical Equipment Requires Complex Maintenance
One documented approach to address 1,2,3-trichloropropane in household water is the Fleck 1,2,3-TCP Filter, a compact system designed to configure easily without professional service calls. Maintenance involves periodically replacing filter media to maintain effectiveness against this chlorinated solvent. The rhythm for media replacement depends on water usage and local water quality factors but typically involves straightforward user-level upkeep. This simplicity enables households to manage TCP concerns proactively without complex technical demands.
Myth: Leaving 1,2,3-TCP Untreated Causes Immediate Harm
While 1,2,3-TCP is a chlorinated solvent historically associated with industrial and agricultural use, the Ruston Water System records zero health-based violations related to TCP, indicating no detected presence above reporting levels in public water. Untreated TCP at levels below detection is not documented to cause immediate physical harm. However, for households with private water sources or concerns about trace organic solvents, persistent TCP can contribute subtly to water quality issues over many years. Thus, proactive management by testing and, if desired, using specialized filtration like the Fleck 1,2,3-TCP Filter, helps maintain water quality perception and comfort.
In summary, the government public water system record for Lincoln Parish, as documented by the EPA’s UCMR3 monitoring, shows no detections of 1,2,3-trichloropropane above 0.03 µg/L in the municipal supply serving this area. This data covers a significant portion of the population and connections, offering a broad view of available water quality rather than specifics about any individual household source. For homeowners weighing approaches, these facts clarify what is known and what additional water testing could reveal. Details are available in the EPA SDWIS public water system record for Ruston Water System (LA1061017).
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-01-12. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Ruston Water System (LA1061017), LA: 18 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level