Understanding the Government-Measured Hardness Range and Federal Standards
Laboratory test results for hardness in Merrimack County, aquifer 112SRFD, show a range of 14.6 to 43.4 mg/L as measured by the U.S. Geological Survey on wells 28 to 49 feet deep. This range describes the presence of calcium and magnesium ions that contribute to water hardness. None of these measurements exceeded any federal limits because there are no health-based federal standards for hardness levels. Hardness is considered an aesthetic secondary standard affecting taste, scaling, and appliance performance rather than safety.
How Water Treated by the C-Series Hard Water System Differs at the Tap
Water treated by the C-Series Hard Water System shows a significant reduction in calcium and magnesium ions responsible for hardness. The system uses a technology designed to modify or remove these hardness minerals, resulting in water that is less likely to leave scale deposits or affect soap efficiency. The treated water feels softer and improves household water-related experiences, including cleaning and water heating efficiency.
Which Household Fixtures and Appliances Are Most Affected by Hard Water
Hard water impacts fixtures and appliances that use hot water most noticeably. Water heaters, dishwashers, washing machines, and plumbing fixtures accumulate scale deposits that can reduce efficiency and lifespan. The C-Series Hard Water System targets these minerals, helping to protect these appliances and fixtures from build-up, reducing maintenance needs.
Clarifying What 'Detected,' 'Median,' and 'Range' Mean in These Merrimack County Measurements
The term 'detected' means that hardness minerals were measured in all six samples taken from three separate wells within Merrimack County’s aquifer 112SRFD between 2011 and 2019. The 'median' value of 38.85 mg/L represents the middle hardness concentration in these samples, while the 'range' from 14.6 to 43.4 mg/L shows the lowest and highest hardness levels recorded. These figures describe the local groundwater conditions sampled and do not specify the condition of any individual household well.
How Public-System or Area Records Differ from Private-Well Testing in Establishing Water Hardness
These results reflect broad regional groundwater conditions and do not substitute for individual well testing. Private well owners should conduct specific hardness tests to determine their home’s actual water quality, as hardness can vary within an area. Public or area records like this provide a useful background but cannot precisely define the water hardness at a single residential tap.
Choosing the appropriate treatment depends on your household's specific hardness measurement, and the C-Series Hard Water System ships ready to configure to address the measured demand effectively.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2019-10-08. 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 112SRFD aquifer (Merrimack County): 6 results from 3 wells, median 38.85 mg/L, range 14.6-43.4 mg/L; none above any federal threshold