Agricultural Land Use and Its Link to 1,2,3-TCP Findings in Fremont County
Riverton’s water supply in Fremont County draws from surface sources influenced by historical agricultural activities. The chlorinated solvent 1,2,3-trichloropropane (1,2,3-TCP) originated as a contaminant in soil fumigants used from the 1950s to the 1980s. While the agricultural land use in this region is past, residues of such compounds can persist in the environment, occasionally influencing surface water quality. Public water system records for Riverton indicate no detections of 1,2,3-TCP above the 0.03 micrograms per liter (µg/L) reporting level, based on monitoring from 2013 to 2015. This historical land use context helps frame the likelihood and nature of TCP presence in the community water supply but does not define any individual household water condition.
Why 1,2,3-TCP Reporting Levels Are Much Lower Than for Metals
The detection threshold of 0.03 µg/L (0.03 parts per billion) for 1,2,3-trichloropropane stems from its potency and classification as a chlorinated solvent, not from aesthetic concerns. This level is thousands of times lower than reporting levels commonly set for metals like lead or copper, reflecting a precautionary approach to a compound that has been studied for possible health impacts over prolonged exposure. A detection above this reporting level in water testing would indicate the compound’s measurable presence, but does not equate to non-compliance or established risk without further context. The EPA has not established a federal maximum contaminant level (MCL) for 1,2,3-TCP, so measured values alone do not define safety or violation status.
Adjustments for Large Households, Second Homes, or Seasonal Residences
Households in Riverton vary from typical family homes to larger residences or second homes used seasonally. The quantity of water consumed and the continuity of water use can affect how water treatment approaches perform over time. For example, larger households may require higher capacity treatment equipment or more frequent maintenance to maintain consistent water quality. Seasonal properties that sit idle for extended periods can experience issues with water stagnation that are unrelated to 1,2,3-TCP but might complicate interpreting water tests or maintaining treatment systems. Choosing the right approach means considering these usage patterns alongside potential chlorinated solvent concerns.
Recognizing When Household Water Issues Are Not Related to 1,2,3-TCP
Some common household water symptoms—such as taste, staining, or odor—may prompt consideration of water quality problems. However, 1,2,3-trichloropropane is colorless and odorless at concentrations typically found in municipal water supplies. These symptoms generally point to other water quality constituents rather than to 1,2,3-TCP. Understanding which water characteristics do and do not indicate the presence of this chlorinated solvent helps households avoid misattributing visible or sensory water issues to 1,2,3-TCP. Confirming the presence of this compound requires specific laboratory testing at the reporting level or lower.
Interpreting the Measured Range Against Federal Standards and Its Limits
The City of Riverton’s public water system record from EPA monitoring shows 28 samples tested for 1,2,3-trichloropropane with no detections above the 0.03 µg/L reporting level. Because there is no federal maximum contaminant level for this chlorinated solvent, these findings do not indicate regulatory exceedances or health-based violations specific to 1,2,3-TCP. Instead, they provide a background indication that TCP is either absent or present below levels detectable by the methods used during the monitoring period. It is important to interpret this data as a regional system snapshot rather than a reflection of any individual household’s well or tap water condition.
Recommended Step: Testing Household Water for 1,2,3-TCP Concentration
To resolve questions about 1,2,3-trichloropropane in residential water, the most definitive action is to order a laboratory test specifically for TCP at a sensitivity of 0.03 µg/L or lower. This single test identifies the chlorinated solvent concentration in your household water, settling uncertainty about your own exposure beyond regional public system data. If TCP is detected near or above this level, exploring solutions such as the C-Series 1,2,3-TCP Filter, which ships ready to configure for residential use, may address household treatment needs. A careful comparison between treatment technologies can follow once the specific water quality is known.
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