Riverton’s Water System and How Water Reaches Your Tap
The City of Riverton in Fremont County, Wyoming, supplies water to over 10,000 residents through a public surface water system. This surface water is treated and distributed across approximately 4,300 connections, delivering water to households throughout the city. The water you receive comes from rivers and reservoirs that collect local surface runoff, then undergo treatment before reaching your tap.
Which Volatile Organic Compounds Are Present in the Riverton Water System Record?
The EPA’s Unregulated Contaminant Monitoring Rule (UCMR3) sampling from 2013 to 2015 measured several volatile organic compounds (VOCs) in Riverton’s public water system. VOCs, also called volatile organics or solvent compounds, are chemical substances that can evaporate into the air and include industrial solvents and chemical byproducts. The specific VOCs monitored include:
- 1,1-Dichloroethane
- Chloromethane
- Bromomethane
- HCFC-22
- Halon 1011
- 1,3-Butadiene
None of these VOCs were detected above the reporting levels in any of the 28 samples collected from the City of Riverton’s water supply during this monitoring period. It is important to note that these measurements do not establish concentrations in any individual household’s water but reflect the water system’s broad monitoring results.
Why Volatility Matters: Exposure Risks from Showering, Dishwashing, and Inhalation
VOCs are unique compared to many other contaminants because their volatility allows them to enter the air from water during common household activities. Showering, dishwashing, and filling hot water in baths can release VOCs into the indoor air, where inhalation becomes a significant exposure pathway apart from drinking water consumption. This means even low-level VOCs in water may contribute to indoor air concentrations. Understanding both ingestion and inhalation routes is crucial when considering water treatment options targeting VOC reduction.
Additional Considerations for Commercial or Industrial Water Users
While households focus on general water quality and health-related exposure, commercial or industrial users face additional questions. They often require precise capacity sizing based on large daily water volumes, evaluation of specific solvent profiles relevant to their operations, and compliance with occupational safety standards. Additionally, industrial operators may need tailored solutions for continuous or high-throughput treatment configurations not typically required by residential users.
Reading the Record as a Homeowner: Interpreting Median and Range Values
The EPA’s report for Riverton’s system does not list detected concentrations above reporting levels for any monitored VOC. Median and range values provide statistical context about variation and typical levels; however, in this case, all results were below detection, indicating that these VOCs were not measureable in the system during the monitoring window. For homeowners, this means the water system’s record shows no indication of VOC presence at or above detectable thresholds established by the EPA for these compounds.
What Public System Records Show Versus Private Well Testing
Public water system monitoring offers a broad overview of water quality affecting many users but does not substitute for testing an individual private well or home tap. System-wide data reflect source water and treatment plant outputs but cannot account for changes introduced by household plumbing, local pipe materials, or private well characteristics. Homeowners relying on private water sources or interested in more precise data should consider independent sampling to verify VOC levels at their point of use.
The Key Test You Should Order
To conclusively determine the presence or absence of VOCs in your household water, especially if you rely on a private well or wish to verify your tap water quality, request a comprehensive VOC analysis from a certified laboratory. This test will measure concentrations of volatile organics in micrograms per liter (µg/L) or parts per billion (ppb) specifically for your water. Obtaining these results will clarify your water’s composition and support informed decisions about treatment.
Where VOCs are confirmed and reduction is desired, the C-Series VOCs & Industrial Chemicals Filter offers a documented treatment approach. This system ships ready to configure and is designed to address a range of VOCs and industrial solvent compounds commonly found in residential water supplies.
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: 168 results across 6 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level