Manganese in Madison County Water: Understanding Local Aquifer 337FRPN Sampling Data
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Fleck Black Manganese Stains Filter
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How to Compare This Area's Record with a Neighboring County's Without Overreading It
The U.S. Geological Survey sampled groundwater from seven wells in Madison County's aquifer 337FRPN between 2011 and 2022. Across these samples, manganese was detected in every test with a median value of 7.26 micrograms per liter and a range from 0.14 to 43.0 micrograms per liter. While these figures represent the area’s aquifer water quality, they do not directly indicate the manganese concentration in any specific household well or tap water. Nearby counties will have different sampling results due to geological and hydrological differences. Comparing the data is useful only to understand regional trends, not to assume conditions in a particular home’s water supply.
What 'Detected', 'Median' and 'Range' Mean in the Sampling Record on This Page
'Detected' means instruments measured manganese in all tested samples without falling below the threshold for reporting. The 'median' is the middle value of all results — half the samples had concentrations above 7.26 micrograms per liter and half below. The 'range' spans the lowest to highest measured concentrations, from 0.14 up to 43.0 micrograms per liter. These reported numbers show variability in manganese levels across wells and time but do not imply health risks. None of the recorded values exceeded any federal regulatory limits for manganese in drinking water.
What Distinguishes This Problem from the Two Problems Most Often Confused with It
Manganese is a naturally occurring metal that can affect water aesthetics, including color and staining, but it is different from iron and sediment issues commonly mistaken for it. Iron often causes reddish or rusty stains, while manganese may leave darker black staining. Sediment is physical particulate matter unrelated to dissolved metals. Identifying manganese specifically requires testing for this element, as its presence and typical effects differ from these other common water concerns.
What the Reader Should Write Down Before Asking Anyone for Treatment Advice
Before seeking treatment solutions, note the following information: the source type (private well, municipal supply), the depth of your well if applicable, any water quality test results available for manganese and other metals, and the presence of staining or color issues. Documenting recent water tests and the symptoms or nuisance effects observed will allow clearer communication and more tailored treatment recommendations.
Maintenance Rhythm of the Documented Technology in Plain Terms
The Pentair Black Manganese Stains Filter offers a direct-purchase solution for manganese-related staining. It ships ready to configure and operates by filtering manganese from water to reduce stains and discoloration. Routine maintenance involves periodic filter media replacement and system checks to sustain effective manganese reduction. Maintenance frequency depends on water use and manganese concentration but generally follows a predictable schedule that homeowners can manage without specialized service visits.
The Order in Which to Rule Things Out, from Cheapest Check to Laboratory Test
Start with a visual inspection for staining or color changes associated with manganese. If stains are suspected, obtain a water test specifically measuring manganese concentration to confirm. Next, compare results to regional data to understand if manganese is a likely contributor. If multiple metals or other contaminants might be present, consider a comprehensive laboratory analysis. Only after confirming manganese presence and its impact should treatment options like the Pentair filter be considered.
Government monitoring covered seven wells at 30 to 79 feet depth sampled over an 11-year period in Madison County’s aquifer 337FRPN. For the full dataset and details, visit the U.S. Geological Survey groundwater sampling source.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2022-03-30. 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 337FRPN aquifer (Madison County): 17 results from 7 wells, median 7.26 ug/L, range 0.14-43.0 ug/L; none above any federal threshold