Riverton’s Water Supply and 1,2,3-Trichloropropane Monitoring
The City of Riverton in Fremont County, Wyoming, provides surface water to over 10,000 residents through more than 4,300 service connections. Federal data collected under EPA's Unregulated Contaminant Monitoring Rule 3 (UCMR3) from 2013 to 2015 demonstrates that 1,2,3-trichloropropane (TCP), a chlorinated solvent historically used in industrial and agricultural applications, was not detected above the reporting level of 0.03 micrograms per liter (µg/L) in this public water system. This means that across 28 sampled results, there was no measurable presence of this compound at or above that threshold in Riverton's water supply.
Why 1,2,3-Trichloropropane Resists Air Stripping and What That Means for Treatment Choice
1,2,3-trichloropropane is chemically stable and highly soluble in water, characteristics that make it resistant to removal by air stripping technologies commonly used for volatile organic compounds. Air stripping works by volatilizing contaminants into air bubbles, but TCP's low volatility limits this effect. For households concerned about TCP, this resistance to air stripping means that treatment solutions relying on this process are unlikely to effectively reduce the chlorinated solvent’s presence if it occurs in water.
Why the Reporting Level for This Solvent Is Thousands of Times Lower Than for Common Metals
The detection threshold of 0.03 micrograms per liter (0.03 ppb) for 1,2,3-trichloropropane reflects the compound’s potency at very low concentrations and the precision of laboratory methods needed to reveal its presence. Metals typically have reporting or regulatory limits in the range of milligrams per liter (mg/L), a thousand times higher. This low reporting level for TCP addresses concerns about chronic exposure to trace amounts of this chlorinated solvent detected in water sources, even though this level does not indicate any regulatory violation.
The Household or Facility Symptoms That Do and Do Not Point to This Problem
1,2,3-trichloropropane is colorless and odorless, so its presence in water is not associated with noticeable taste or smell changes. Common household signs of water quality issues, such as staining, discoloration, or unpleasant odors, are unlikely to indicate TCP specifically. Since TCP is not typically accompanied by sensory cues, water quality concerns should be evaluated through testing rather than subjective perception. Existing equipment failure alone does not confirm or exclude TCP presence but may necessitate exploring alternative treatment approaches.
How the Treated Water Differs at the Tap Once the Documented Technology Is in Place
The Pentair 1,2,3-TCP Filter employs advanced filtration technology designed specifically to address the chlorinated solvent TCP in household water. When configured and operating, this technology can reduce the presence of 1,2,3-trichloropropane in the water reaching taps, improving water quality in ways that generic treatments may not achieve. Treated water from this solution typically exhibits no change in taste or odor, maintaining the aesthetics of the household water supply while targeting the chlorinated solvent for reduction.
How Public-System Records Differ from Private-Well Testing in What They Establish
EPA sampling results pertain to the overall City of Riverton’s community water system and do not reflect individual household or private well conditions. While the public water system data shows no detectable 1,2,3-trichloropropane at or above the reporting level, only a specific test of your household water can determine TCP status for your site. Private wells in Fremont County may have different water quality profiles, necessitating independent testing to confirm the presence or absence of TCP or other constituents.
The One Test to Determine Your Household’s 1,2,3-TCP Status
For homeowners whose existing water treatment equipment has failed or who have concerns about 1,2,3-trichloropropane, the essential step is to order a laboratory analysis for 1,2,3-trichloropropane at an accredited state or federal-certified laboratory. This test will measure the TCP concentration in your household water. A result below the laboratory’s reporting level indicates no detectable chlorinated solvent using current standard methods. A detected concentration, even if low, can guide the decision to implement targeted treatment solutions such as the Pentair 1,2,3-TCP Filter, which ships ready to configure and is designed for household use.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2013-08-26. 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 Riverton (WY5600047), WY: 28 results across 1 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level
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