What does it mean if 1,2,3-trichloropropane is detected near Riverton?
Government testing from 2013 to 2015 found no detections of 1,2,3-TCP above 0.03 micrograms per liter (or parts per billion) in the City of Riverton's surface water supply. This means the chlorinated solvent was not measured above federal reporting levels in the public water system serving Fremont County residents. It is important to understand that these results are system-wide and do not specify concentrations at individual homes, which require separate water testing.
Why does 1,2,3-trichloropropane resist removal by air stripping?
1,2,3-trichloropropane is a chlorinated solvent that does not easily volatilize due to its chemical properties. Air stripping, which relies on transferring contaminants from water to air, is generally ineffective against TCP. This resistance influences treatment choices, directing households toward technologies such as specialized carbon filtration that provide better affinity for this contaminant.
How did a soil fumigant impurity like 1,2,3-TCP end up in groundwater decades later?
Historically, 1,2,3-trichloropropane was present as an impurity in soil fumigants used between the 1950s and 1980s. Over time, this chlorinated solvent migrated through soils and entered deep groundwater aquifers. While levels detected in Riverton's water supply are below federal reporting thresholds, understanding this origin helps clarify why treatment options may be considered.
What do 'detected', 'median', and 'range' indicate in these water quality samples?
'Detected' means the instrument measured the presence of a substance above a certain reporting level, not that its concentration is unsafe or exceeds any limit. The 'median' reflects the middle value in a set of sample results, and 'range' shows the spread between the lowest and highest measurements. In this case for 1,2,3-TCP, no samples were detected above 0.03 micrograms per liter, so median and range terms confirm non-detection across the sample group.
How does plumbing material and age affect TCP levels separate from the source water?
Plumbing components and their age can influence water quality locally inside a household. However, 1,2,3-TCP primarily originates from source water contamination rather than household piping. To determine your home's exact conditions, individual water testing is necessary, as plumbing materials do not typically create or increase TCP concentrations.
How does California's 5 nanograms per liter limit compare to the absence of a federal MCL?
California has set a stringent limit for 1,2,3-TCP at 5 nanograms per liter (ng/L), equivalent to 0.005 micrograms per liter, reflecting precautionary state regulation. The U.S. federal government currently has no maximum contaminant level (MCL) for TCP, indicating no nationwide enforceable standard exists. This difference highlights why local and state guidelines may be stricter than federal ones, influencing consumer decisions regarding water treatment in areas near such limits.
How should I compare Fremont County's 1,2,3-TCP data with neighboring regions?
Fremont County’s water system record shows no TCP detections above 0.03 micrograms per liter, which differs from nearby counties that may report varying concentrations. Comparing regional data must consider differences in source water types, historical land use, and testing periods without assuming identical conditions at individual wells. This approach avoids overinterpreting the presence or absence of TCP in your water supply.
What is the next step for households concerned about 1,2,3-TCP in Fremont County?
Because local system data show no measurable 1,2,3-TCP at or above 0.03 micrograms per liter in public water, the only way to know your household's exact TCP level is through individual water testing. For those who find TCP present or want proactive safeguards, the C-Series 1,2,3-TCP Filter ships ready to configure and is designed specifically to reduce this chlorinated solvent. This equipment provides an established option for managing potential TCP content without relying on ineffective methods like air stripping.
This overview reflects the City of Riverton’s public water system record for 1,2,3-trichloropropane monitoring from 2013 to 2015 as reported by the EPA’s Safe Drinking Water Information System. For detailed source information, visit the EPA’s official website.
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