Water with a reddish tint or rust stains on fixtures in Whitman County may reflect common iron presence in the local aquifer. This page separates local water data facts from assumptions to aid households deciding on iron and rust treatment needs.
Iron Levels Show Variation Over Multiple Years in Whitman County
Government sampling of groundwater wells in aquifer 122CBRV across Whitman County shows iron detections spanning from 28.1 to 582.0 micrograms per liter over samples collected between September 2014 and August 2024. Some results were below the reporting limit, while the median iron level among detected samples was 279.5 micrograms per liter. This range and median reflect natural fluctuations and differences between wells that vary in depth from 90 to 907 feet. These measurements do not indicate any federal health threshold has been exceeded at any sampled well.
Maintaining Iron Treatment Systems Requires Regular Attention to Stay Effective
Systems designed to reduce iron and rust, such as the Autotrol Orange Iron & Rust Stains Filter, demand periodic upkeep to remain effective. Key maintenance involves monitoring filter media readiness, ensuring timely regeneration cycles, and periodic cleaning cycles to prevent iron buildup that can reduce performance. Household users should establish a recurring schedule for these tasks based on water usage and observed iron levels, as neglect can lead to diminished stain prevention and water quality improvements over time.
The Documented Technology Removes Iron Through Ion Exchange and Filtration
The Autotrol system works by using specialized filter media that traps iron particles and precipitates dissolved iron out of the water. This process reduces the iron content that causes rust stains and discoloration in pipes and on fixtures. The filter media periodically regenerates by flushing captured iron and restoring its capacity, supporting ongoing treatment without chemical additives. This technology effectively addresses the iron ranges documented in Whitman County groundwater samples.
Comparing Whitman County Iron Data with Neighboring Areas Requires Caution
While Whitman County’s aquifer 122CBRV has documented iron levels with specific ranges and medians, neighboring counties with different aquifers or hydrogeological conditions may show distinct iron profiles. Comparisons should consider differences in well depth, sampling periods, and reporting limits. Drawing treatment conclusions from neighboring data without local sampling can lead to mismatched expectations or over- or undertreatment of a household’s specific water.
Understanding Terms: 'Detected,' 'Median,' and 'Range' in the Sampling Record
Iron 'detected' means that measurement instruments found iron present at quantifiable amounts in some samples—this is not a violation or indication of unsafe water. The 'median' represents the middle value of iron concentrations from the detected samples, showing a central tendency amid variability. The 'range' describes the lowest and highest iron concentrations measured, reflecting natural variability across wells and times within Whitman County’s aquifer.
Sample Quantity and Well Depth Influence Confidence in Area Iron Data
The data is based on 15 samples taken from 7 separate wells spanning a wide depth range (90 to 907 feet). Although limited in size, this sample set collected over nearly ten years offers a snapshot of iron occurrence in the aquifer. Smaller data sets mean individual well conditions may differ, so households should test their own water to confirm specific levels rather than relying solely on regional data.
In summary, these iron measurements represent Whitman County’s aquifer 122CBRV, derived from multiple wells sampled over a decade under U.S. Geological Survey programs. For detailed records and updates visit the official government water data site linked in the source.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2024-08-07. 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 Iron in the 122CBRV aquifer (Whitman County): 15 results from 7 wells, median 279.5 ug/L, range 28.1-582.0 ug/L; none above any federal threshold
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