What to Record from Your Manganese Water Test Report
When you receive a laboratory report for manganese in your household water, it typically lists the manganese concentration in micrograms per liter (µg/L) or parts per billion (ppb). Note the exact figure reported and the measurement date. Also record the sample type, such as whether it is from a well or municipal tap, as well as the depth if known. These details are important because manganese levels vary depending on source and conditions.
How Aquifer and Well Depth Affect Manganese Levels
Groundwater manganese concentrations can differ with well depth and aquifer characteristics. U.S. Geological Survey sampling in Shelby County, specifically aquifer 112TRRC, involved wells ranging from 34 to 93 feet deep. This range indicates manganese levels measured within these depths, but concentrations can be different outside this depth span. Deeper or shallower wells may have varying manganese levels due to geochemical conditions. Knowing your well's depth helps gauge how your water might compare to the area's sampled data.
Comparing Shelby County Manganese Data to Neighboring Areas
When looking at manganese data from Shelby County, it's useful to contrast it with nearby counties or aquifers to see if patterns are consistent or differ. However, each area's geology influences manganese presence uniquely. The detected manganese levels in Shelby County wells do not imply the same levels elsewhere. Avoid assuming your water matches regional data exactly; these figures serve as area-wide references, not individual guarantees.
Understanding the Range of Manganese Concentrations and Federal Standards
The Shelby County USGS groundwater sampling showed manganese ranging from 0.35 to 3810.0 µg/L with a median of 0.82 µg/L in 56 samples from 24 wells over 2011–2019. Importantly, none of these results exceeded federal health-based limits. Detection of manganese does not mean a violation or that water is unsafe. Elevated manganese can affect taste, staining, or plumbing over time but is not by itself a health hazard below regulatory thresholds.
Seasonal and Multi-Year Variability in Manganese Levels
The data spans over eight years, showing manganese presence detected consistently, though concentrations vary widely. This variation could reflect seasonal changes, aquifer recharge patterns, or sampling differences. If you test your water multiple times, expect concentrations to fluctuate within a range rather than remain fixed. Tracking test results over time gives a clearer picture than a single sample.
How the Pentair Black Manganese Stains Filter Addresses Manganese
For households experiencing manganese-related issues like staining or discoloration, the Pentair Black Manganese Stains Filter can reduce manganese through oxidation and filtration processes. This system ships ready to configure and can be implemented to treat manganese at the point water enters a household plumbing system. Its design targets manganese particles to help maintain clearer water and protect fixtures without altering water chemistry adversely.
This summary of manganese levels references U.S. Geological Survey sampling in Shelby County's 112TRRC aquifer wells between 2011 and 2019. For detailed data, visit the USGS groundwater monitoring site covering location 351111089512501.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2019-06-11. 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 Manganese in the 112TRRC aquifer (Shelby County): 56 results from 24 wells, median 0.82 ug/L, range 0.35-3810.0 ug/L; none above any federal threshold
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