Myth: VOCs Are Present in Household Water if They Are Detected in the Public Water System
It is often assumed that if volatile organic compounds (VOCs) are measured in a public water system's monitoring reports, every household connected to that system has those same compounds in their tap water. According to the EPA's monitoring data for the Big Sandy Water District serving Boyd County, KY, multiple VOCs including 1,1-dichloroethane, chloromethane, bromomethane, HCFC-22, Halon 1011, and 1,3-butadiene were tested. None exceeded their respective reporting levels during 2013–2015. However, these findings apply only to the public water system as a whole and do not establish the presence or concentration of these compounds in any specific home’s water. Household water quality can vary based on individual plumbing and service lines, so testing at the point of use is necessary to confirm personal exposure levels.
Myth: The Size of a Granular Activated Carbon Bed Depends Primarily on Flow Rate
A common belief is that sizing a granular activated carbon (GAC) filtration system depends mostly on how much water it can process per minute. In reality, for effective removal of volatile organics and solvent compounds, contact time between water and the carbon bed is the critical factor. This allows the activated carbon sufficient time to adsorb VOC molecules. A properly sized GAC bed balances flow with contact duration to maximize treatment efficacy rather than just meeting a flow rate specification. This principle underpins the Autotrol VOCs & Industrial Chemicals Filter, which is designed to optimize adsorption based on contact time, supporting effective VOC reduction in residential water systems.
Myth: Gasoline and Dry-Cleaning Chemical Releases Affect Groundwater the Same Way
Many assume that the environmental impact and chemical residue of gasoline spills and dry-cleaning solvent releases on groundwater are identical. In practice, these sources differ significantly in the types and behaviors of volatile organic compounds they leave behind. Gasoline releases may introduce a complex mixture of hydrocarbons with varying volatility and persistence, while dry-cleaning solvents often contain specific chlorinated VOCs with distinct chemical properties. Understanding these differences is important when evaluating potential VOC exposure routes and which treatment technologies will be most effective for a household’s water supply.
Myth: All Treatment Technologies Remove VOCs Equally
It can be mistakenly thought that every water treatment method targeting VOCs performs similarly. However, the Autotrol System uses a granular activated carbon bed specifically designed to adsorb a broad range of industrial and volatile organic chemicals, removing them from water by trapping these compounds in the carbon substrate. This approach is well documented and effective at addressing the VOCs commonly monitored by EPA in Boyd County’s public water system. When considering options, it’s important to evaluate if the technology’s mechanism matches the chemical characteristics of the VOCs detected in your water source.
Myth: Knowing Public Water Monitoring Results Is Enough to Choose Treatment
Public water system data provides a valuable overview but does not replace individual water testing. Before selecting a treatment approach, a household should obtain a laboratory analysis of their own water supply for VOCs and other contaminants. This targeted testing will identify exact compounds and concentrations, clarifying if and which treatment technology, such as the Autotrol VOCs & Industrial Chemicals Filter, is appropriate. Without these results, treatment decisions may be based on incomplete information.
Myth: Treated Water at the Tap Will Have No VOC Detection After Using the Autotrol System
Using a properly configured granular activated carbon system significantly reduces VOC concentrations and improves water quality at the tap. While it does not guarantee zero VOC presence, the treatment lowers levels to below those detected in untreated water samples from the public water system record. Homeowners should expect noticeable improvements in taste and odor related to solvent compounds, though monitoring individual water after treatment confirms performance.
Summary and Next Step
For households in Boyd County evaluating VOC concerns, public water system monitoring shows no VOC concentrations above reporting levels, establishing a baseline that VOCs are low or undetected within the system. The deciding factor is personal water testing for volatile organics. This test clarifies the specific VOCs and their concentrations in your household water, guiding the choice between treatment technologies. Ordering a laboratory VOC analysis at your tap is the essential next step to determine if treatment like the Autotrol VOCs & Industrial Chemicals Filter is warranted and will deliver effective results.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-05-29. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Big Sandy Water District (KY0100944), KY: 96 results across 6 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level