Myth: If my existing water treatment system runs out of capacity, nitrate levels must be dangerously high.
National and local groundwater sampling provide more nuanced information. USGS data for 11 wells in Pottawatomie County’s aquifer 310WLNG show inorganic nitrogen (nitrate/nitrite) was detected in 8 samples, ranging from 0.047 to 0.96 mg/L, with a median of 0.439 mg/L. These results came from wells 80 to 220 feet deep. None of these measurements indicate nitrate concentrations above federal thresholds. This means even if existing equipment feels strained, the regional groundwater nitrate levels are generally within regulated safety margins.
Myth: A lab test simply says whether nitrate is safe or unsafe.
A certified laboratory test reports numeric values of nitrate and nitrite concentration, expressed in milligrams per liter (mg/L). These allow you to compare your well water results to government thresholds. It is important to note that detection is not a violation. A detection means nitrate presence was measured; it does not by itself indicate unsafe water. Only through actual testing of your household water can you determine your water’s specific nitrate concentration and whether additional treatment is advisable.
Myth: Long-term exposure to nitrate in water always causes serious health issues.
Nitrate in drinking water can pose health concerns at levels above federal limits, particularly for infants. The USGS area sampling for Pottawatomie County shows no nitrate measurements exceeding federal thresholds, so the regional data suggest low risk at this scale. However, untreated water containing elevated nitrate levels over many years can contribute to health concerns, so monitoring your own well water is essential.
Myth: The median nitrate level reported means every well has similar nitrate levels.
The median value of 0.439 mg/L represents the middle value of the 11 samples collected. The range from 0.047 to 0.96 mg/L shows some variability among wells. This variability reflects localized differences in nitrate presence and does not imply every well will behave identically. Homeowners should interpret these values as general information specific to the aquifer area, not exact predictions for individual wells.
Myth: The small number of samples makes the nitrate data unreliable for Pottawatomie County.
The USGS data set includes 11 wells sampled over nearly a year. While a larger dataset provides more detail, this sample size establishes a reliable baseline range and median for this aquifer. It highlights typical nitrate levels encountered in the area but underlines the need for personal testing to understand specific household water conditions.
Myth: Nitrate results from Pottawatomie County can be directly compared to other counties without any adjustments.
Nitrate concentrations can vary by region due to differences in geology, land use, and agricultural practices. While neighboring counties’ data offer context, direct comparisons must consider these factors. Using USGS data for Pottawatomie County aquifer 310WLNG helps keep analysis focused on local water quality trends rather than assumptions based on other areas.
Next Step: Testing Your Household Water’s Nitrate Level
To determine if your household’s nitrate concentration requires additional treatment beyond your current system’s capacity, order a certified laboratory test specifically measuring nitrate and nitrite. A result below federal limits means your water complies with regulatory standards. If levels approach or exceed these thresholds, a Pentair Nitrate & Nitrite (Well) Filter system can address nitrate removal effectively and ships ready to configure for your home water supply.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2013-05-01. 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 Inorganic nitrogen (nitrate and nitrite) in the 310WLNG aquifer (Pottawatomie County): 11 results from 11 wells, median 0.439 mg/L, range 0.047-0.96 mg/L; none above any federal threshold