Government groundwater sampling conducted by the U.S. Geological Survey in Pottawatomie County aquifer 317GBWG found arsenic at levels ranging from 0.08 to 0.63 micrograms per liter, with a median of 0.325 micrograms per liter, across six wells sampled between 2011 and 2013. None of these results exceed federal arsenic thresholds.
When Comparing Public-System Records to Private Well Testing
The data from Pottawatomie County reflects arsenic concentrations in multiple wells within the regional aquifer, not measurements from a specific residential well. Public-system records provide a general understanding of what can be expected in the area’s groundwater but do not determine the exact arsenic level in your household water. Only a targeted laboratory analysis of your own water sample can establish your specific arsenic concentration and inform your treatment needs.
If You Consider Aesthetic Secondary Standards Versus Health-Based Limits
Aesthetic secondary standards address taste, staining, and odor, while health-based limits focus on potential health risks. For arsenic, federal regulations establish health-based maximum contaminant levels to protect drinking water safety. The samples from the Pottawatomie County aquifer show arsenic well below these health-based levels. Understanding this distinction can help you assess whether equipment aimed at arsenic reduction is necessary based on your well’s actual test results.
If Arsenic Is Left Untreated Over Time
Long-term exposure to elevated arsenic levels can carry health risks as identified by scientific research. However, according to the regional sampling data, arsenic concentrations in Pottawatomie County groundwater are below federal thresholds. If your household’s water test reveals higher levels, addressing it becomes important. Otherwise, untreated arsenic below regulatory limits is not a documented health concern in this area.
When Reading the Median and Range From Area Well Samples
The median arsenic concentration of 0.325 micrograms per liter means that half of the sampled wells measured below this value and half above within the range from 0.08 to 0.63 micrograms per liter. These concentrations provide a regional baseline but do not predict your well’s exact arsenic level. Using this regional range helps frame expectations but should not replace direct water testing.
If You Compare This Record with Neighboring Counties
Comparisons between regional aquifers should be made carefully. Variations in geology and well depth influence arsenic presence. The Pottawatomie County report specifically samples wells from 110 to 200 feet deep, and its documented results should be considered distinct from neighboring areas’ data to avoid overgeneralizing arsenic risk.
When Deciding How to Confirm Your Water’s Arsenic Level
- Begin with basic water quality assessments for general indicators.
- If arsenic is suspected or if you rely on private well water, conduct laboratory testing to determine your household’s specific arsenic concentration.
- Based on testing results, evaluate treatment options suited to your arsenic level and household needs.
For households in Pottawatomie County seeking equipment to address arsenic, the Pentair Arsenic Filter system ships ready to configure and is a documented treatment option designed specifically for removing arsenic from residential water supplies after confirming your water’s condition.
Remember, the government sampling reflects arsenic measurements taken from six wells within the Pottawatomie County aquifer 317GBWG between 2011 and 2013, offering a regional perspective but not a specific household water analysis. Source data can be reviewed at the U.S. Geological Survey water data site.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2013-03-13. 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 317GBWG aquifer (Pottawatomie County): 6 results from 6 wells, median 0.325 ug/L, range 0.08-0.63 ug/L; none above any federal threshold
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