1. How to Compare This Area's Record with a Neighboring County's Without Overreading It
The water hardness data for Cumberland County in aquifer 112OTSH, provided by the U.S. Geological Survey, reflects measurements from four samples collected at two wells between 2015 and 2017. This dataset offers a snapshot of typical groundwater hardness ranging from 22.0 to 88.0 mg/L, with a median value of 29.65 mg/L. When comparing to neighboring counties, it is important to use similarly scoped data—publicly sampled groundwater from comparable aquifers over a similar timeframe. However, these area-wide findings do not predict the specific hardness of an individual household's well water. Local variation in geology, well depth, and other factors can lead to different conditions within short distances.
2. What 'Detected', 'Median' and 'Range' Mean in the Sampling Record on This Page
The term 'detected' means that hardness as calcium and magnesium was measurable in all four samples; none were below the reporting limit. The median of 29.65 mg/L represents the middle value of the data set, indicating typical hardness levels in the area. The range from 22.0 to 88.0 mg/L shows variability among wells sampled, influenced by well depth (22 to 38 feet) and local conditions. Importantly, no hardness value exceeded any federal threshold related to health or safety in this record. These terms describe the data's scope and variation rather than establish any single well's characteristics.
3. How to Judge Treatment Capacity Against the Household's or Facility's Daily Demand
Choosing a salt-free water softening solution like the C-Series Salt-Free Scale Control System requires matching the unit's scale control capacity to your household's water use. This is typically measured in gallons per day or hardness grains per gallon, but specific product figures are not detailed here. Homeowners should assess their peak daily water consumption and water hardness via a certified laboratory test of their own well or municipal source. This ensures the selected system effectively addresses mineral scale buildup while accommodating demand fluctuations without overtreating.
4. How Public-System Records Differ from Private-Well Testing in What They Establish
Public groundwater sampling in Cumberland County provides broad regional data on hardness but does not replace individual well testing. Private wells can vary significantly due to depth, aquifer flow, and local soil composition. Only a certified laboratory test of your own source water can determine specific hardness levels relevant to your household. Public system data helps identify general trends and potential water quality concerns but does not diagnose an individual residence's condition.
5. How Many Samples and Wells Stand Behind the Figures, and What a Small Sample Means
The hardness data for this area is based on four samples from two wells, which means the sample size is limited. While useful for initial orientation, the small number of results means these figures may not capture all variation across the county’s aquifer 112OTSH. For precise and personalized water treatment decisions, an analysis of your household’s current water supply remains essential. Consider the regional data a reference point rather than a definitive measure.
Closing: The groundwater hardness figures reported here for Cumberland County's aquifer do not reveal the exact hardness of your household’s water nor indicate any health risk or regulatory breach. They serve as a general guide to typical mineral presence in the area. To properly address scale control needs, individual water testing combined with a salt-free technology like the C-Series Salt-Free Scale Control System, which ships ready to configure, offers an effective approach to managing hardness without salt use.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2017-10-05. 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 Hardness, Ca, Mg in the 112OTSH aquifer (Cumberland County): 4 results from 2 wells, median 29.65 mg/L, range 22.0-88.0 mg/L; none above any federal threshold