How Treated Water Differs at the Tap Once the C-Series Blue-Green Copper Stains Filter Is in Place
The Merrimack County aquifer 112SRFD supplies groundwater that can carry copper traces leading to blue-green staining issues in household fixtures. When water passes through the C-Series Blue-Green Copper Stains Filter, this equipment is designed to reduce visible copper deposits that cause those common stains on sinks, tubs, and plumbing surfaces. The filter does not alter water safety or composition beyond targeting copper-related aesthetic concerns, making tap water clearer and helping preserve fixture appearances over time.
How Seasonal or Multi-Year Variation Shows in the Record (Dates and Ranges Given)
Government sampling over an eight-year span from 2011 to 2019 indicates copper was consistently detected in all six measurements across three area wells. The median copper concentration found was 10.25 micrograms per liter (ug/L), with a range between 2.6 and 24.5 ug/L. Variations over these dates can reflect natural shifts in groundwater chemistry but remain below federal thresholds that consider health impacts. This pattern shows that copper presence is persistent but stable in this aquifer, without sharp spikes over time.
How Sample Depth, Well Depth or Source Type Changes What a Reader Should Expect
The sampled wells in Merrimack County were between 28 and 49 feet deep, capturing water from relatively shallow groundwater zones within the 112SRFD aquifer. Copper concentrations can vary by depth because of soil contact and mineral dissolution rates. Shallower wells might encounter different copper levels than deeper sources due to local geology or well construction. Understanding your own well’s depth relative to these samples helps estimate how closely your water’s copper might align with the reported range, though direct testing remains essential.
How Many Samples and Wells Stand Behind the Figures, and What a Small Sample Means
The copper data for Merrimack County’s 112SRFD aquifer comes from six samples taken from three distinct wells. While this provides a reasonable snapshot of copper presence over years, it represents a limited dataset relative to the entire county’s groundwater variability. This means the numbers indicate what copper levels have been detected in the area’s aquifer but cannot fully characterize every individual well. Homeowners should interpret these values as general guidance rather than precise values for their own water.
What a Certified Laboratory Test for This Constituent Reports and How to Read It
A certified laboratory test for copper in drinking water will report the concentration in micrograms per liter or parts per billion (ug/L or ppb). This quantitative result shows how much copper is present in your specific water supply. Government sampling shows typical copper presence at low levels well below any federal health-based limits for copper, so a similar test result in your home is unlikely to indicate safety concerns. However, a lab test is the only way to confirm your actual water quality and make an informed choice on treatment.
To settle whether copper is causing staining in your water, order a copper concentration test from a certified lab referencing your own well or municipal tap. If results approach or exceed values common in the area and staining persists, consideration of the C-Series Blue-Green Copper Stains Filter may help address the aesthetic impact.
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 Copper in the 112SRFD aquifer (Merrimack County): 6 results from 3 wells, median 10.25 ug/L, range 2.6-24.5 ug/L; none above any federal threshold