Interpreting Laboratory Test Reports for VOCs in Water
When a laboratory analyzes water for volatile organic compounds (VOCs), the report typically lists detected concentrations in micrograms per liter (µg/L), equivalent to parts per billion (ppb). Such a report specifies each compound found above the laboratory's reporting levels, which serve as the minimum concentration detectable by their instruments. It is important to understand that detection is a measurement, not an indication of health risk or violation of any regulation.
Gasoline-Related versus Dry-Cleaning Solvent Releases: Distinct Groundwater Markers
Gasoline releases often introduce compounds like benzene and MTBE into groundwater, whereas dry-cleaning solvents include chlorinated VOCs such as perchloroethylene. These chemical groups differ in how they persist and travel underground. In Wailuku's water system, federal monitoring found no detections of several gasoline- or solvent-related VOCs above reporting limits, indicating their absence or very low levels in the source water rather than in individual household wells.
Why Volatility Matters: Inhalation and Contact Routes Beyond Drinking
Volatile organic compounds can evaporate easily from water during activities such as showering or dishwashing. This means household exposure may occur not only through drinking but also by inhalation or skin contact. Because of these multiple exposure pathways, evaluating VOC levels in household water informs treatment decisions aimed at reducing overall contact, not just consumption.
How Water Appears at the Tap After Treatment with the Fleck VOCs & Industrial Chemicals Filter
After configuring a Fleck System designed for VOC and industrial chemical filtration, the treated water typically shows reduced concentrations of targeted volatile solvents and related compounds. This improvement can affect water taste and odor and lower vapor emissions during water use, enhancing household comfort. The equipment ships ready to specify and connect with existing plumbing setups, providing a direct means to address VOCs.
Difference Between Public Water System Records and Private Well Testing
Government records for the Wailuku public water system reflect source and treatment monitoring over many connections and households, serving over 74,500 people. These records report that no VOCs were detected above reporting limits during federal surveys. However, these data do not indicate individual household water quality, which can vary due to plumbing or private well conditions. Testing your own water is necessary to determine localized VOC levels.
Volatile Organic Compounds Monitored in Wailuku's Water System
The Wailuku water system underwent federal monitoring for VOCs including 1,1-dichloroethane, chloromethane, bromomethane, HCFC-22, Halon 1011, 1,3-butadiene, and MTBE. None of these volatile organic compounds were detected above the laboratories' reporting limits (ranging from 0.03 to 5.0 µg/L). This monitoring reflects the quality of the surface water source and treatment processes for the overall system, not an individual home's supply.
Concluding Summary of Wailuku's VOC Monitoring and Treatment Options
The federal UCMR3 monitoring results for the Wailuku public water system, serving Maui County, document no measurable VOC concentrations above testing thresholds in the system's source water and distribution. This information aids residents in deciding whether to pursue water treatment technologies capable of reducing volatile organic compounds, such as the Fleck VOCs & Industrial Chemicals Filter. For the original government data, refer to the EPA Safe Drinking Water Information System (SDWIS) public water system record for Wailuku, Hawaii.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-02-20. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Wailuku (HI0000212), HI: 280 results across 7 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level