Arsenic in Faulkner County Water: Understanding Test Data and Seasonal Changes
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What does a laboratory test report for arsenic actually list?
A certified laboratory test for arsenic in your household water typically shows the measured arsenic concentration in micrograms per liter (ug/L). This number quantifies how much arsenic is present in a specific sample. The report may also include detection limits, which indicate the lowest concentration the test can reliably identify. Reading this report helps you understand the arsenic content in your particular water supply, a necessity since area-wide data cannot substitute for your well’s specific conditions.
How will water treated by the C-Series Arsenic Filter differ at the tap?
When the C-Series Arsenic Filter is configured for your household, it reduces arsenic levels in your water by removing the contaminant to levels typical for treated water. This results in safer and cleaner water at the tap suitable for daily household use. The system ships ready to configure without needing additional setup services. It helps households address arsenic concerns confirmed by testing rather than regional data alone.
Do arsenic levels vary by season or across the years in Faulkner County?
Data collected between October 2011 and July 2015 from 61 samples in Faulkner County’s aquifer 326ATOK show arsenic levels ranging from 0.1 to 2.7 ug/L. Arsenic was detected in 34 of these samples, with 27 below detectable limits. This variation indicates some fluctuation over time and among wells. However, no single sample exceeded federal arsenic thresholds. Seasonal or multi-year changes can influence arsenic presence but regional sampling does not predict individual well fluctuations.
What additional questions are important for commercial or industrial operators?
Commercial or industrial water users often seek information on arsenic levels’ impact on processes, regulatory compliance, and treatment capacity matching. Unlike residential users, they must consider factors such as water volume, treatment scalability, and integrating arsenic filtration with existing systems. While households focus mainly on health and taste, commercial users evaluate arsenic control’s operational and regulatory aspects more deeply.
What does the sampling record’s language like 'detected', 'median', and 'range' mean here?
The term 'detected' means arsenic was measured by instruments above the laboratory’s reporting limit, but detection alone does not indicate a violation or unsafe condition. The 'median' is the middle value of all sampled arsenic results (0.3 ug/L), giving a typical concentration in the area. The 'range' refers to minimum and maximum values found (0.1 to 2.7 ug/L), showing the spread of measurements across wells and times. These terms help interpret the scope and variability of arsenic in the aquifer.
In summary, Faulkner County’s regional arsenic levels in aquifer 326ATOK have been documented through samples spanning 2011 to 2015 without exceeding federal thresholds. To determine your household’s specific arsenic concentration, a certified laboratory test is essential. If arsenic is a confirmed concern, the C-Series Arsenic Filter can be configured to reduce arsenic in your water supply effectively.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2015-07-27. These figures describe groundwater sampled in this area. They are not a test of any individual private well - only a test of that well can establish its own water.
On record: U.S. Geological Survey sampling of Arsenic in the 326ATOK aquifer (Faulkner County): 61 results from 58 wells, median 0.3 ug/L, range 0.1-2.7 ug/L; none above any federal threshold