Reading the Median and Range of Manganese as a Homeowner in Rockingham County
The U.S. Geological Survey sampled groundwater from Rockingham County’s 112ICCC aquifer, collecting 48 results from a single well over 2014 to 2019. The manganese measurements ranged from 122.0 to 175.0 micrograms per liter (ug/L), with a median concentration of 155.5 ug/L. These figures represent the area’s typical manganese levels but do not indicate the content in any individual well or household water. Homeowners should test their own water to know the actual manganese concentration affecting their household.
Distinguishing Aesthetic Secondary Standards from Health-Based Limits for Manganese
Federal guidelines establish secondary standards for manganese primarily based on aesthetics, such as taste, staining of fixtures, and discoloration, rather than health risks. It is important to note that none of the manganese results from the Rockingham County aquifer exceeded any federal health-based limits. Manganese presence at detected levels does not automatically imply health concerns but may lead to visible or taste-related issues that can affect household water use.
How the Fleck Black Manganese Stains Filter Addresses Household Manganese
For residences experiencing manganese-related aesthetic problems, a treatment system using the Fleck technology can help remove manganese from water. This filter is designed to reduce manganese and associated staining by filtering the water before it reaches household fixtures. The system ships ready to configure, offering a practical approach to managing manganese where testing shows its presence at levels consistent with those found in Rockingham County’s aquifer.
Additional Considerations for Commercial or Industrial Water Users
Commercial and industrial operators must often consider manganese effects on equipment lifespan, process water quality, and regulatory compliance, which require more extensive testing and customized treatment solutions beyond household applications. These users may need to analyze manganese levels continuously and evaluate treatment options that integrate with their operational requirements, which differ significantly from residential needs.
Clarifying Manganese Issues Versus Similar Water Quality Concerns
Manganese problems are sometimes confused with iron or other minerals causing staining or discoloration. Unlike iron, which often creates reddish stains, manganese typically causes darker or blackish stains. Knowing this distinction helps homeowners identify appropriate water treatment strategies. Confirming manganese presence through specific water testing avoids misdiagnosis and ineffective solutions.
What This Area’s Data Does Not Establish
The manganese measurements from Rockingham County’s 112ICCC aquifer are informative about regional water quality trends but do not define any individual household’s water quality. Only direct testing of a home’s water supply can determine the manganese level present. Furthermore, manganese detections within the observed range do not indicate water safety issues based on federal health standards. Homeowners should focus on testing and targeted treatment decisions rather than assuming a problem exists solely from regional data.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2019-08-22. 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 112ICCC aquifer (Rockingham County): 48 results from 1 wells, median 155.5 ug/L, range 122.0-175.0 ug/L; none above any federal threshold
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