Arsenic in Calcasieu Parish Household Water: Understanding Local Measurements and Treatment Options

Government data from the U.S. Geological Survey sampling of groundwater wells in Calcasieu Parish's aquifer 11202LC show arsenic was detected in most samples at concentrations below federal thresholds. This record offers a regional overview, helping households understand arsenic presence without implying a specific condition for any individual well.

Arsenic Is Often Confused with Other Water Quality Challenges

Some water quality issues share symptoms with arsenic contamination, such as staining or taste changes. However, arsenic is a naturally occurring element measured in micrograms per liter, distinct from common minerals causing hardness or iron-related coloration. Understanding this difference is essential because treatments effective for iron or hardness do not reliably reduce arsenic levels.

The Sampling Record Is Based on Five Results From Four Wells

The arsenic data reflect five sampled results from four separate wells ranging between 110 and 260 feet deep. While this sample size is small, it provides insight into the general groundwater condition across the aquifer. Individual wells may vary, so testing your home's water is necessary to know the exact arsenic concentration present.

Interpreting 'Detected,' 'Median,' and 'Range' in Arsenic Measurements

'Detected' means the measuring instruments recorded arsenic at a measurable level, not that it exceeds any health limit. The median concentration of 0.925 micrograms per liter describes the midpoint value among the samples, while the range from 0.48 to 1.3 micrograms per liter shows variability across wells. All results remain below the federal arsenic threshold, which establishes safety benchmarks but does not imply zero arsenic presence.

Seasonal and Multi-Year Variations Are Visible in Dates and Ranges

The samples were collected over nearly a decade, from September 2011 to December 2020. This timeline captures fluctuations that can occur over seasons and years within the aquifer. Such variations underline the importance of periodic testing to ensure that water treatment matches current conditions rather than relying only on past records.

Comparing Calcasieu Parish to Neighboring Areas Requires Careful Reading

Neighboring counties may report different arsenic measurements based on their aquifers and sampling methods. It is important not to assume local conditions match nearby areas. Each aquifer and zone has unique geological features affecting arsenic levels, so regional data must be considered in context without overextending conclusions.

If your household's existing water treatment system is no longer adequately managing arsenic contamination, consider solutions designed specifically for arsenic reduction. The Autotrol Arsenic Filter ships ready to configure and can provide enhanced treatment capacity to help address this issue effectively.

To summarize, the USGS data for Calcasieu Parish aquifer 11202LC reflect five arsenic results from four wells sampled over multiple years with no readings above federal thresholds. This record offers a careful regional perspective but does not substitute for direct testing of your household water. For more information, consult the U.S. Geological Survey groundwater sampling webpage provided by the government source.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2020-12-07. 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 11202LC aquifer (Calcasieu Parish): 5 results from 4 wells, median 0.925 ug/L, range 0.48-1.3 ug/L; none above any federal threshold