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What Government Sampling Shows About VOCs in Cleveland County Water

The EPA’s public water system record for the Hwy. 63 Water Association, serving 7,187 people in Cleveland County, Arkansas, reports monitoring for six volatile organic compounds (VOCs) between 2013 and 2015. These solvent compounds—1,1-dichloroethane, chloromethane, bromomethane, HCFC-22, Halon 1011, and 1,3-butadiene—were all below the laboratories’ detection limits during this federally mandated occurrence survey. This means that while these VOCs were specifically tested for, measurements did not find these compounds at or above the reporting levels set for the survey period. It is important to understand that nondetection at these levels does not establish the complete absence of these compounds from all household water taps in the area but reflects the data for the public water system as a whole.

How a Gasoline Release Differs from a Dry-Cleaning Release in What It Leaves in Groundwater

Volatile organic compounds found in groundwater near residential sources can vary depending on the origin of contamination. Releases from gasoline tend to include compounds like benzene, toluene, ethylbenzene, and xylenes, while dry-cleaning operations typically contribute perchloroethylene or trichloroethylene. In Cleveland County’s public water system record, none of the monitored VOCs are directly linked to gasoline or dry-cleaning solvents, such as those mentioned, but rather include other chlorinated and fluorinated compounds. Understanding these differences helps homeowners know what family of solvents they may need to address if private well testing reveals VOC contamination distinct from the public system record.

What a Laboratory's Method Detection Limit Means When a Compound Is 'Not Detected'

A compound being 'not detected' means the lab did not measure it above a specific threshold, known as the method detection limit (MDL). For example, the reporting level for 1,1-dichloroethane was 0.03 micrograms per liter (µg/L), which is equivalent to 0.03 parts per billion (ppb). A nondetection does not prove the compound is absent; rather, it is below that threshold during sampling. The MDL varies by compound and analytical method, affecting how sensitive the test is. Homeowners seeking precise knowledge of their water quality must request laboratory tests reporting detection limits suitable for VOCs of concern.

Which Fixtures, Appliances or Processes Are Affected First and Why

If VOCs are present in household water, volatile organics tend to be most noticeable or impactful where water is aerated, heated, or consumed frequently. Drinking water taps, ice makers, coffee machines, showers, and bathtubs are all common points of contact. Water heaters can release volatile compounds into the air during showering or bathing. Cooking appliances that use water may also interact with VOCs. Knowing where water is used most helps prioritize areas for testing or treatment. The Autotrol VOCs & Industrial Chemicals Filter concentrates on reducing solvent compounds before they reach these endpoints, helping protect household use.

A Worked Example: Reading the Record's Median and Range as a Homeowner Would

Though this public water system record reports zero detections above reporting levels for VOCs, understanding metrics like median and range is useful for evaluating personal water tests. Suppose a homeowner’s lab report shows a VOC level of 0.02 µg/L (parts per billion) for 1,1-dichloroethane. Given the EPA monitoring report’s detection level was 0.03 µg/L, this measurement is below the federal survey’s reporting limit and thus would not have been detected in the system’s survey. This example illustrates why individual household testing is necessary—local conditions may differ and influence water quality independently of regional system records.

What 'Detected', 'Median' and 'Range' Mean in the Sampling Record on This Page

In the EPA survey data, 'detected' means a compound was measured at or above the reporting level; 'median' refers to the middle concentration value where half the samples measure above and half below; 'range' indicates the spread between the lowest and highest concentrations found. On this record, no detections were reported for monitored VOCs, so median and range values for these compounds are effectively at or below the detection limit. These terms help interpret water quality surveys but must be paired with individual testing to understand a household’s specific water characteristics.

The Order in Which to Rule Things Out, from Cheapest Check to Laboratory Test

Homeowners facing concerns about VOCs in their water can begin with less costly steps before confirming presence via lab testing. Start by reviewing local public water quality reports, such as the EPA system record cited here, to understand common regional issues. Next, inspect household water for unusual tastes, odors, or changes, though these are not definitive for VOCs. If uncertainties persist or health concerns exist, proceed to comprehensive laboratory testing designed for volatile organics with appropriate detection limits. This staged approach helps prioritize resources while ensuring informed decision-making.

Conclusion: Where This Data Comes From and Next Steps for Homeowners

The data presented reflects the federal EPA’s public water system record for the Hwy. 63 Water Association in Cleveland County, Arkansas, representing water quality for 7,187 people served by groundwater sources. This monitoring survey, covering select VOCs from 2013 to 2015, found no detections above reporting levels, indicating volatility organics were below measurable thresholds during testing. Homeowners seeking to address VOCs can consider specific water treatment options designed for solvent compounds, such as the Autotrol VOCs & Industrial Chemicals Filter, which ships ready to configure for household use. For thorough evaluation, testing of individual household water remains essential. For more detailed system data, refer to the EPA’s official records at the UCMR database.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2013-08-19. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR3 monitoring (2013-2015) for Hwy. 63 Water Association (AR0000107), AR: 60 results across 6 listed contaminants, 0 detections above the reporting level; nothing detected above the method reporting level