Is 1,2,3-TCP (1,2,3-trichloropropane) something you should worry about in Grant County water? Based on public water system data, no violations have been recorded, but some households find their current equipment struggles to maintain control over this compound.
Agricultural Land-Use History in Grant County and Its Connection to 1,2,3-TCP Detections
Grant County has a strong agricultural heritage, with many fields historically treated with soil fumigants containing chlorinated solvents. These chemicals, including 1,2,3-trichloropropane, were used during the mid-20th century to protect crops. While these practices have declined, residues from past land use can remain in groundwater. The City of Moses Lake, serving over 32,000 residents with groundwater sources, reflects this history in occasional low-level detections of 1,2,3-TCP through federal occurrence monitoring conducted from 2013 to 2015.
The Journey of 1,2,3-Trichloropropane from Soil Fumigants to Groundwater Decades Later
1,2,3-TCP is a byproduct impurity found in soil fumigant formulations used between the 1950s and 1980s. Due to its chemical stability and mobility, it leaches through the soil and can migrate to deep groundwater over many years. This delayed movement explains why current groundwater can contain measurable 1,2,3-TCP even though those fumigants are no longer widely applied.
What Public Water System Records Show Versus Private Well Testing
The data available from the City of Moses Lake public water system is based on monitoring a network of wells supplying thousands of connections. This monitoring found no detections of 1,2,3-TCP above the reporting threshold of 0.03 micrograms per liter (parts per billion). However, these figures reflect the system as a whole, not individual home water. Private wells can have very different water quality profiles depending on depth, location, and local geology. Testing your own water is essential to know your home's specific conditions.
Maintenance Rhythm of the C-Series 1,2,3-TCP Filter Made Simple
For households experiencing equipment challenges with 1,2,3-TCP, the C-Series 1,2,3-TCP Filter offers a targeted approach. It ships ready to configure and is designed to address chlorinated solvents like TCP effectively. Routine maintenance generally aligns with usage patterns and demand; regular checks ensure it keeps pace with water quality variations without requiring specialized services.
The Significance of Sample Size and What It Means for Your Water
The City of Moses Lake's record includes 26 samples spanning over a year, with no detections above the reporting level. While this provides a reassuring baseline for the public water supply, a relatively small number of samples means some variation is possible. This is why households noticing equipment strain or changes in water quality should perform individualized testing to identify their exact 1,2,3-TCP levels.
If your home’s current treatment is falling short in managing 1,2,3-trichloropropane levels after measuring your water’s demand, the C-Series 1,2,3-TCP Filter is a documented technology designed to meet that challenge. It offers an effective option for households seeking to respond when equipment performance no longer aligns with their water conditions.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-11-10. 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 Moses Lake (WA5356300), WA: 26 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level