Overview of Water Sources in Aquifer 110AVTN, Connecticut
The groundwater supplying many households in Connecticut's Aquifer 110AVTN is drawn from relatively shallow wells, typically around two feet deep. This aquifer provides the water that ultimately reaches taps through both private wells and public water systems, although composition can vary locally. Understanding water quality in this aquifer helps households concerned about sensitive skin evaluate their water supply.
Seasonal and Multi-Year Variation in Local Water Hardness
Between March 2010 and February 2011, sampling conducted by the U.S. Geological Survey recorded hardness levels stemming from calcium and magnesium minerals. Four separate test results from wells in the area showed hardness concentrations ranging from 140.0 to 188.0 mg/L, with a median of 162.5 mg/L. These measurements indicate moderate mineral content that may fluctuate seasonally but stayed within this range during the sampled period.
Interpreting Median and Range Values from Government Aquifer Data
For a homeowner in Connecticut utilizing water from this aquifer, the median hardness value of 162.5 mg/L represents a central tendency of mineral levels in nearby wells rather than a fixed figure for their own supply. The range from 140.0 to 188.0 mg/L suggests some variation across samples taken over time or different locations within the aquifer. These median and range values inform expectations about water characteristics but do not replace well-specific testing.
Differences Between Public-System Records and Private-Well Testing
Public water system records often provide averages or routine monitoring data for large service areas and may not capture localized differences. Private well water can differ significantly even nearby due to soil, geology, and depth variations. The government’s aquifer data is valuable for regional patterns but homeowners with sensitive skin should obtain direct water testing to understand their specific water chemistry.
Influence of Sample Depth and Water Source Type on Expected Water Quality
The samples referenced were from wells approximately two feet deep, reflecting very shallow groundwater conditions. Deeper wells or other water sources, such as surface water, could have differing mineral profiles. Shallow wells may show more immediate influence from surface activities or seasonal changes, whereas deeper wells often reveal more stable conditions. Understanding the water source depth helps anticipate potential mineral exposure.
Distinguishing Water's Impact on Sensitive Skin from Other Similar Issues
Mineral content, such as calcium and magnesium hardness, can contribute to skin sensitivity by altering water’s feel and interaction with soaps. This is frequently confused with other causes like chemical irritants or microbial contamination. Recognizing mineral-related skin responses requires focusing on mineral concentrations and testing, separate from concerns about health-based contaminants.
Understanding Secondary Standards vs. Health-Based Limits for Minerals
Federal guidelines set secondary standards for minerals like hardness to address taste, staining, and pipe corrosion rather than direct health risks. None of the tested samples exceeded federal health thresholds. While consumers with sensitive skin may notice effects from mineral levels, these are aesthetic or comfort concerns rather than safety violations.
Addressing Sensitive Skin with Autotrol Sensitive Skin & Eczema System
For households with sensitive skin affected by mineral content in water, the Autotrol Sensitive Skin & Eczema System provides a targeted approach to manage hardness levels up to a grain capacity of 32,000. This system ships ready to configure, designed to reduce mineral effects that might aggravate skin conditions. Its application is an option once household water demand and specific water test results are known.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2011-02-20. 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 110AVTN aquifer (FIPS 180): 4 results from 1 wells, median 162.5 mg/L, range 140.0-188.0 mg/L; none above any federal threshold
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