Laboratory Test Reports for Manganese in Arapahoe County Water
Manganese Levels Are Routinely Measured in Local Wells
In Arapahoe County's aquifer 111ALFP, government sampling from three wells between 2010 and 2025 shows manganese was detected in every sample collected (183 total), with levels ranging from 9.66 to 8100 micrograms per liter (ug/L) and a median concentration of 2870 ug/L. None of these results exceeded federal manganese thresholds. This data reflects conditions in sampled wells 20 to 25 feet deep and serves as a regional indicator, not a test of your specific water supply.
How Manganese Enters Groundwater in Arapahoe County
Natural Geologic Sources Release Manganese into Aquifers
Manganese is a naturally occurring element found in rock and soil formations underlying Arapahoe County. Over time, it dissolves into groundwater as water moves through mineral deposits. Local aquifer characteristics allow manganese concentrations to vary significantly, explaining the broad range found in monitoring wells.
Maintenance Rhythm for Managing Metallic Taste with the C-Series System
Replace Filter Cartridges Periodically
The C-Series Metallic-Tasting Water Filter ships ready to configure and requires routine cartridge changes to maintain effective manganese reduction. Following the recommended maintenance schedule ensures consistent treatment performance and helps reduce metallic taste caused by manganese.
Judging Treatment Capacity Against Household Water Demand
Estimate Daily Water Use to Match Filter Capability
Understanding your household’s average daily water consumption helps determine the treatment capacity needed from the C-Series System. Larger households or those with higher water use may require filter capacities aligned with their volume to maintain taste quality effectively.
Fixtures and Appliances Most Affected by Metallic Taste
Cold Taps and Drinking Water Outlets Are Primary Indicators
Metallic taste from manganese is most noticeable when drinking water directly from the tap or using cold water fixtures. Appliances like ice makers or coffee machines may exhibit altered taste if their water input contains elevated manganese levels, impacting overall water enjoyment.
Reading Certified Laboratory Manganese Test Reports
Reports Show Concentration in Micrograms per Liter (ug/L)
A certified lab test for manganese will list the detected concentration in ug/L. It will indicate whether the measurement is above or below reporting limits and compare values to federal guidelines. Such reports are essential for confirming your own water quality beyond regional data.
Additional Considerations for Commercial or Industrial Operators
Volume and Process Sensitivity Affect Treatment Choices
Commercial or industrial water users must consider larger volume demands and potential impacts on manufacturing or processing equipment. This includes evaluating the C-Series System's treatment capacity relative to operational water requirements and product quality standards.
The manganese data referenced here derives from U.S. Geological Survey groundwater sampling conducted on three wells within Arapahoe County’s aquifer 111ALFP between 2010 and 2025. Visit the U.S. Geological Survey website for detailed regional water quality information.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2025-12-12. 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 111ALFP aquifer (Arapahoe County): 183 results from 3 wells, median 2870.0 ug/L, range 9.66-8100.0 ug/L; none above any federal threshold