Understanding Sample Depth, Well Depth, and Water Source in Grafton County
Water in Grafton County commonly comes from wells tapping into aquifer 112SRFD. The sampling data referenced here are from wells 73 to 174 feet deep, providing a representative but not definitive look at groundwater hardness in the area. These measurements reflect what government sampling instruments detected in this specific aquifer and those depths, not any individual residential well.
Interpreting 'Detected', 'Median', and 'Range' in the Sampling Record
Three separate well samples taken between June 12 and July 18, 2017, measured hardness concentrations as calcium and magnesium totals. The median result was 82.7 mg/L with a range from 31.1 to 129.0 mg/L, all below any federal thresholds for hardness. 'Detected' simply means the instrument found measurable levels; it is not a sign of a violation or unsafe water. The median is the middle value of the samples, and the range shows the lowest and highest measured concentrations.
Essential Information to Note Before Consulting on Treatment
Before seeking solutions, homeowners should have their own water tested to establish exact hardness levels, since regional data does not specify individual wells. Note your well depth, date of testing, and method used. Understanding your household’s daily water use also helps in evaluating any treatment system's capacity.
Seasonal and Multi-Year Variations Evident in the Sampling Dates
The samples were collected over a five-week period in summer 2017. Seasonal changes can affect hardness but this snapshot provides useful insight into typical conditions during that time frame. Multi-year data would be required to identify longer-term trends but is not provided here.
Example Reading of the Median and Range for a Grafton County Home
Using the median of 82.7 mg/L as a baseline, a homeowner might expect moderately hard groundwater. The range suggests variability, so some wells in the same aquifer could have significantly softer or harder water. This variability reinforces the importance of testing your own water to confirm conditions.
For households weighing salt-free water softening against traditional salt-based methods, the C-Series Salt-Free Scale Control System offers a documented approach to manage hardness without adding salt. It ships ready to configure for home use and can be considered once personal water quality is established.
This overview reflects three groundwater samples collected specifically from wells 73 to 174 feet deep in Grafton County's aquifer 112SRFD in mid-2017. Full data and methodology details are available from the U.S. Geological Survey monitoring location 441847071400201.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2017-07-18. 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 (Grafton County): 3 results from 3 wells, median 82.7 mg/L, range 31.1-129.0 mg/L; none above any federal threshold