Variability of Manganese Concentrations Over Time in Hendricks County Aquifer 112PLSC
Water in Hendricks County comes from aquifer 112PLSC, sampled from wells between 8 and 28 feet deep. Government data collected from five wells between 2014 and 2025 shows manganese was detected in almost all samples, with values ranging from 0.53 to 69.7 micrograms per liter (µg/L). The median concentration was 58.6 µg/L. These results reflect natural fluctuations due to seasonal or multi-year environmental factors affecting manganese levels in groundwater, not a fixed number for every well or time.
Aesthetic Secondary Standards vs. Health-Based Limits for Manganese
Manganese is monitored under two main criteria: aesthetic secondary standards and health-based limits. Secondary standards focus on water taste, staining, and appearance, which can be affected even at low concentrations. Health-based limits assess potential risks to wellbeing but no federal health-based violation was found in this Hendricks County aquifer sampling. Understanding these distinctions helps residents focus on what impacts they might notice versus what requires health concerns.
The Influence of Plumbing Materials and System Age on Manganese Water Quality
Home plumbing can alter how manganese presents itself from the source water. Older pipes or certain materials may interact with manganese, possibly causing discoloration or deposits even if source levels are stable. This means manganese effects at the tap can differ significantly from aquifer measurements. Differentiating source water quality from plumbing impact is important before deciding on treatment.
Interpreting Manganese Concentrations Relative to Federal Standards
The manganese range recorded in Hendricks County aquifer 112PLSC is below any federal thresholds for health effects. Detected values do not indicate unsafe water but give a sense of the manganese levels residents might expect. Government sampling cannot substitute for testing private well water to establish actual manganese concentration. It also does not predict how manganese behaves in household plumbing.
How a Homeowner Can Understand the Sampling Data
With a median manganese concentration near 58.6 µg/L and an upper range around 69.7 µg/L, a homeowner in this area might experience mild manganese effects such as faint staining or slight taste changes. However, individual waters vary, so these figures serve only as a regional benchmark. Knowing this helps determine whether a treatment system addressing manganese, like the C-Series Black Manganese Stains Filter, is suitable for the home’s needs.
The essential next step is to have your home’s water tested specifically for manganese and related properties. A comprehensive test report will provide the manganese concentration and other factors affecting water quality. If manganese levels or staining issues are present, the C-Series system ships ready to configure for reducing manganese and its aesthetic impacts, supporting clearer water at the tap without guessing.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2025-08-25. 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 112PLSC aquifer (Hendricks County): 30 results from 5 wells, median 58.6 ug/L, range 0.53-69.7 ug/L; none above any federal threshold