If you’ve noticed copper-colored staining on faucets, sinks, or tubs in your Plymouth County home, it can signal recurring issues in your water supply or plumbing setup. This briefing summarizes groundwater sampling data for Plymouth County’s aquifer 112OTSH and what households facing copper stains should keep in mind.
Seasonal and Multi-Year Variation in Copper Levels
The U.S. Geological Survey collected groundwater samples from Plymouth County’s aquifer 112OTSH between June 2015 and May 2016. Four samples were taken from a separate well approximately 40 feet deep. Copper was measured at levels ranging from none detected to detection below reporting thresholds. The median copper concentration was zero micrograms per liter. Across these samples, no measurements exceeded any federal copper standards. This record shows copper presence can vary but remains low and stable during the sampled period.
Adapting to Large Households or Seasonal Use
Larger homes, second properties, or seasonal residences may experience different patterns in copper staining due to water use frequency, stagnation, and plumbing material interaction. When water sits in pipes longer—as can happen in less frequently used homes—copper can leach more readily from plumbing, increasing staining potential. Being aware of these use patterns helps guide testing and stain management strategies.
Comparing Plymouth County's Copper Data with Neighbouring Areas
While Plymouth County’s aquifer shows low copper levels in this period, neighbouring counties may present different copper detection statistics. Comparing regional data can provide context but does not replace testing your specific water source. Water chemistry, well depth, and plumbing vary locally, so avoid assuming your water matches regional or nearby county samples directly.
Maintenance Rhythm for the C-Series Blue-Green Copper Stains Filter
The C-Series Blue-Green Copper Stains Filter ships ready to configure and is designed to reduce copper staining by addressing the water’s copper content at the point of use. Routine care involves periodic cartridge replacements according to water usage and staining recurrence. Keeping an eye on staining patterns helps determine when the filter’s maintenance cycle is needed to maintain stain control effectively.
Impact of Sample and Well Depth on Expectations
The USGS samples were taken from wells approximately 40 feet deep, typical for the region’s groundwater sources. Water quality, including copper content, can change with depth due to soil composition, rock contact, and other factors. Shallow or deeper wells may show different copper concentrations, so testing your specific water supply is essential to understand your staining risk accurately.
This summary reflects copper measurement results for Plymouth County’s aquifer 112OTSH groundwater from USGS monitoring wells sampled during 2015-2016. For detailed data and updates, visit the U.S. Geological Survey water monitoring website.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2016-05-16. 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 112OTSH aquifer (Plymouth County): 4 results from 1 wells, median 0.0 ug/L, range 0.0-0.0 ug/L; none above any federal threshold