Comparing Queens County's Manganese Data with Neighboring Counties
The manganese concentrations reported by the U.S. Geological Survey for wells in Queens County's aquifer (112GLCLU) provide a regional overview rather than a direct measurement of any individual household's water. These 214 samples, collected from 48 wells between 2010 and 2021 at depths of 23 to 265 feet, show manganese detected in nearly all samples, with a median concentration of 6.29 micrograms per liter (ug/L) and a range extending up to 19,000 ug/L.
When comparing this data to neighboring counties, it is essential to consider differences in hydrogeology and well depths, as these can cause variations in manganese presence. Such comparisons inform regional trends but do not predict specific water quality in a local domestic supply.
Interpreting the Range of Manganese Levels Against Federal Standards
While manganese was detected widely in Queens County's groundwater, none of the reported concentrations exceeded federal health-based thresholds. This means manganese presence alone does not indicate unsafe water. Instead, manganese concentrations can affect aesthetic qualities, such as taste, causing the metallic flavor described here.
An elevated manganese level within this regional range does not equate to a violation or health risk but signals a potential cause of the metallic taste that some households experience.
Fixtures and Appliances Most Impacted by Metallic-Tasting Manganese
Manganese in water can first affect faucets and appliances where direct water contact and flow are continuous. Kitchen taps and ice makers may highlight metallic taste more than less frequently used outlets. Water used for drinking and cooking commonly reveals the issue earliest, influencing household comfort and satisfaction.
Sources of Manganese in Queens County Groundwater and Water Systems
Manganese naturally occurs in minerals within the aquifer rock formations underlying Queens County. Groundwater interacts with these materials over time, dissolving manganese into the water. The concentration can vary with depth, oxygen exposure, and geological factors. Public water systems typically monitor and manage manganese to maintain water quality consistent with federal guidelines.
Assessing Treatment Capacity for a Household's Daily Water Use
Determining the required treatment capacity to address a metallic taste caused by manganese depends on household water use volume and frequency. A water filter system designed to reduce metallic taste must be matched to the daily consumption rate to maintain effectiveness and avoid breakthrough of the taste-causing minerals.
Evaluating these needs includes considering peak water use times and total volume, ensuring the filter can handle the demand typical for a residential setting.
Impact of Sample Depth and Well Characteristics on Water Quality Expectations
Well depth and the source type influence manganese concentrations. Shallower wells in Queens County may have different manganese profiles compared to deeper wells due to variations in oxygen levels and contact with manganese-containing sediments.
Understanding these factors helps set realistic expectations about water quality and the necessity for testing one’s own water source to identify specific treatment needs accurately.
This summary reflects manganese monitoring conducted on 48 wells in Queens County’s aquifer 112GLCLU, with data available through the U.S. Geological Survey groundwater site. Individual water testing is recommended to determine specific household water characteristics.
Addressing the metallic taste in household water can be approached by employing a C-Series Metallic-Tasting Water Filter, a system that ships ready to configure for treatment tailored to everyday water use.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2021-05-14. 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 112GLCLU aquifer (Queens County): 214 results from 48 wells, median 6.29 ug/L, range 0.2-19000.0 ug/L; none above any federal threshold