Government groundwater sampling in Washoe County, NV, specifically from aquifer 100VLFL, shows that iron has been detected in many local wells. The U.S. Geological Survey collected 37 samples from 20 wells between 2010 and 2023. Iron was reported at levels ranging from 3.2 to 977 micrograms per liter, with a median of 9.2 micrograms per liter. Importantly, none of these results exceeded any federal regulatory threshold.
Myth: Iron bacteria contamination happens only due to external surface runoff.
Actually, in Washoe County, iron enters groundwater naturally through rock and soil interaction within the aquifer system. Iron bacteria thrive by using iron compounds dissolved from these geological formations. Unlike surface pollutants, this process occurs underground and is part of the natural chemistry of aquifer 100VLFL as documented by USGS samples.
Myth: Public water system testing data reflects the exact condition of private wells.
The USGS data is based on diverse well sampling in the region but does not represent every private household well's specific water quality. Public-system records provide a broad overview but cannot establish your individual water’s iron content. A private test is necessary to know your household water at your tap.
Myth: Iron bacteria problems first appear in all water fixtures simultaneously.
Iron bacteria often manifest earliest in fixtures sensitive to buildup, such as faucets, toilets, and water heaters. These locations can develop slimy deposits or staining due to iron bacteria’s biofilm growth. The plumbing’s design and water use frequency influence which parts show symptoms first.
Myth: Any discoloration or slime in water is definitely caused by iron bacteria.
Household slime, staining, or discoloration can result from various causes including mineral deposits or organic matter. Iron bacteria specifically cause reddish-brown slime or deposits and sometimes a metallic taste. Testing for iron and bacterial presence clarifies whether iron bacteria are involved.
Myth: Washoe County’s iron bacteria levels are much higher or lower than neighboring areas.
Comparing Washoe County’s aquifer data with adjacent regions shows variability typical in groundwater systems. The USGS sampling reflects a median iron level consistent with some nearby counties, but ranges can vary widely depending on local geology. Such comparisons help avoid overinterpretation of data for your specific water.
Myth: Treated water completely eliminates iron bacteria and associated issues immediately at the tap.
Using a Fleck Iron Bacteria & Slime Filter in your home changes water quality by reducing iron bacteria and slime formation. While treatment improves appearance and reduces buildup, maintaining the system and routine water testing are essential for sustained results. Treated water may still require monitoring for other constituents not addressed by this technology.
In summary, the USGS groundwater record for Washoe County’s aquifer shows iron presence without exceeding federal safety thresholds. To address potential iron bacteria in your household water, testing your well water is critical to confirm conditions, and the Fleck Iron Bacteria & Slime Filter offers an effective solution by targeting this specific problem.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2023-09-21. 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 100VLFL aquifer (Washoe County): 37 results from 20 wells, median 9.2 ug/L, range 3.2-977.0 ug/L; none above any federal threshold
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