Routine Maintenance of the Fleck Fluoride Filter System
Regular Media Replacement Needed
The Fleck Fluoride Filter system requires periodic replacement of the filtration media to maintain its effectiveness in reducing fluoride levels. This replacement timing depends on water usage and fluoride concentration variations.
System Checks for Optimal Performance
Occasional system checks ensure that the filtration components are functioning properly and that water flow rates remain steady for consistent treatment results.
How Fluoride Reaches Groundwater in Washtenaw County
Natural Occurrence in Aquifers
Fluoride occurs naturally within the geological formations underlying Washtenaw County, including aquifer 112OTSH. It dissolves from minerals into groundwater over time, contributing to measurable fluoride levels in wells.
Contribution from Shallow Wells
Government sampling from wells 22 to 31 feet deep in this area shows fluoride is detected consistently, reflecting the aquifer’s background concentrations without indicating any contamination source.
Distinguishing Aesthetic Secondary Standards from Health-Based Limits
Secondary Standards Affect Taste and Appearance
Fluoride at certain concentrations may influence the taste or appearance of water, which is governed by secondary standards focused on aesthetics rather than health risks.
Health-Based Limits Are Set Higher
The federal health-based limits for fluoride are higher than the concentrations found in Washtenaw County’s sampled aquifer wells. No sampled wells exceeded these health thresholds according to government data.
Influence of Well Depth and Sampling Method on Fluoride Levels
Sampling Depth Reflects Shallow Groundwater
The samples were taken from relatively shallow wells between 22 and 31 feet deep, which may not represent fluoride levels in deeper aquifers or other water sources.
Variability Among Wells
Different wells within the area show fluoride levels ranging from 0.04 to 0.48 mg/L, indicating natural variability within the aquifer but all remaining below federal health-based guidelines.
Changes in Water Quality at the Tap with Fleck Fluoride Filter
Reduction of Fluoride Concentrations
Once the Fleck Fluoride Filter is configured in the home water system, it effectively lowers fluoride levels, helping households manage their exposure based on their own water testing results.
Consistent Water Flavor and Clarity
The filtration process enhances taste and clarity by reducing fluoride concentrations that may affect these aesthetic qualities, aligning water quality more closely with homeowner preferences.
The government sampling data referenced comes from wells in Washtenaw County’s aquifer 112OTSH, collected through five samples from four wells sampled between 2010 and 2016. These results provide informative regional background fluoride levels but do not specify individual household water quality. For precise information, testing of your own water supply is recommended. Full sampling details are available from the U.S. Geological Survey groundwater monitoring site.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2016-09-15. 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 Fluoride in the 112OTSH aquifer (Washtenaw County): 5 results from 4 wells, median 0.18 mg/L, range 0.04-0.48 mg/L; none above any federal threshold
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