Household Water and 1,2,3-TCP Concerns in VI: Options After Equipment Failure

Whole House 1,2,3-TCP Reduction Water Filter System - Trichloropropane Removal

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If 1,2,3-trichloropropane Remains After Air Stripping Attempts, What Should You Consider?

1,2,3-trichloropropane (TCP) is a chlorinated solvent that does not easily dissipate through air stripping because it has a low vapor pressure and is soluble in water. This chemical resistance means that typical aeration methods may fail to effectively reduce TCP in household water, requiring consideration of alternative treatment technologies designed for this compound's removal.

If You Wonder How TCP Ended Up in Your Local Groundwater Decades After Its Agricultural Use

TCP was used as an impurity in soil fumigants during the 1950s through the 1980s. Its persistence and mobility have allowed it to reach deep groundwater layers over time, even many years after its application ceased. This legacy explains why water systems, including the Sunny Isle Shopping Center public water system in VI, document detections of this chlorinated solvent despite no current direct use.

If Your Household Is Large, a Second Residence, or Used Seasonally, How Does That Affect Treatment Choices?

Household size and usage patterns influence water demand and treatment capacity needs. Larger households or those with seasonal occupancy may require systems capable of handling varying flow rates and volumes of water. These factors affect the sizing and configuration of equipment used to manage constituents such as 1,2,3-TCP, ensuring consistent water quality regardless of usage fluctuations.

If You Operate Commercially or Industrially, What Additional Water Quality Questions Arise?

Commercial or industrial water users typically face regulatory and operational requirements beyond residential concerns. Questions may include the impact of 1,2,3-trichloropropane on processes, product quality, or compliance with industry-specific standards. These considerations often necessitate more complex water treatment approaches and detailed water testing beyond standard household parameters.

If You Are Comparing California’s 5 Nanogram Per Liter Limit to Absence of a Federal MCL, What Should You Know?

The Sunny Isle Shopping Center public water system in VI reported two detection events for 1,2,3-TCP between 2013 and 2015, both below the reporting level of 0.03 micrograms per liter (µg/L), equivalent to 30 parts per trillion (ppt). There is no federal maximum contaminant level (MCL) for 1,2,3-trichloropropane, so no violation or exceedance is recorded. California’s state limit of 5 nanograms per liter (5 ng/L), or 0.005 µg/L, is more stringent and reflects precautionary consumer protection approaches differing from federal standards.

If Your Water Has Passed Through the Documented Technology Designed for 1,2,3-TCP, What Changes at the Tap?

When household water is treated by the C-Series 1,2,3-TCP Filter, the treated water at the tap has significantly reduced levels of this chlorinated solvent. This technology uses filtration methods tailored to bind or remove 1,2,3-trichloropropane molecules, improving the aesthetic and chemical profile of the water. While no single numerical guarantee of concentration is published here, this equipment ships ready to configure for household use and offers a documented approach to address TCP concerns after previous equipment failures.

What Is the One Water Test You Need to Decide on Further Treatment?

To determine if your household water requires equipment targeting 1,2,3-trichloropropane, order a laboratory test specifically measuring 1,2,3-TCP concentration in micrograms per liter (µg/L) or parts per billion (ppb). This test should be performed on a sample from your own tap, since system-wide records, such as the Sunny Isle Shopping Center results for VI, do not define your individual water quality. Results below detection limits suggest no immediate need for specialized treatment, whereas detectable levels could justify use of the C-Series 1,2,3-TCP Filter to restore water quality following existing equipment failure.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2013-11-12. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR3 monitoring (2013-2015) for Sunny Isle Shopping Center (VI0000406), VI: 2 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level