This week, decide how to assess your household water hardness and the potential benefits of salt-free water softening for your home in CT's aquifer 112DFSF.
Reading the Record's Median and Range as a Homeowner
Median hardness value indicates typical conditions
The U.S. Geological Survey sampled 24 hardness measurements from 20 separate wells in aquifer 112DFSF over several years, finding a median hardness of 141.0 mg/L. This median helps you understand the average hardness concentration commonly present in this aquifer.
Range shows variation across sampled wells
Results varied from 15.6 to 564.0 mg/L, demonstrating natural differences in hardness levels among wells between 10 and 155 feet deep. These figures reflect regional variation, not your specific well.
All samples detected hardness
Every sample registered measurable hardness, with none below reporting limits. No federal thresholds for hardness were exceeded in these samples.
How Hardness Enters Groundwater and Distribution in This Region
Calcium and magnesium minerals dissolve into groundwater
Hardness primarily results from calcium and magnesium minerals dissolving from rocks and soil into the aquifer water.
Local geology influences hardness levels
The aquifer’s specific geological formations affect the concentration and variation of hardness measured across wells.
Distribution systems generally deliver this groundwater untreated for hardness
In many residential settings in CT, hardness levels remain as found in groundwater unless treated at the point of use.
Judging Treatment Capacity Relative to Household Daily Demand
Estimate your household’s daily water use
Consider the number of residents and typical activities like cooking, bathing, and laundry to understand your daily water consumption.
Match treatment capacity to your water demand
The Pentair Salt-Free Scale Control System ships ready to configure for residential use, supporting typical household volumes to address scale buildup without salt.
System efficiency depends on hardness levels and usage
Higher hardness readings in your water will require consistent system operation aligned with your daily water usage for optimal results.
How Treated Water Differs at the Tap After Using the Pentair System
Scale buildup is reduced without adding salt
The Pentair Salt-Free Scale Control System alters hardness minerals to inhibit scale formation, preserving plumbing and appliances.
Water retains beneficial minerals
Since no salt is added, treated water maintains its calcium and magnesium content, supporting taste and dietary needs.
Maintenance involves system checks rather than salt replenishment
This system avoids traditional salt softener upkeep, offering a lower-maintenance approach to managing hard water effects.
The Role of Plumbing Material and Age, Separate from Source Water
Older plumbing may show scale buildup despite water treatment
Existing mineral deposits in pipes can persist even when hardness is managed at the source.
Material type affects corrosion and scaling tendencies
Metal pipes may react differently to water hardness than newer plastic or composite piping, influencing water quality perceptions.
Regular plumbing evaluation complements water treatment
Addressing plumbing condition independently ensures full benefits from hardness management technologies.
The U.S. Geological Survey’s data covers 24 hardness results from 20 wells sampled between 2011 and 2017 in aquifer 112DFSF, FIPS 110, CT. For detailed records, visit the USGS groundwater monitoring site.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2017-09-05. 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 112DFSF aquifer (FIPS 110): 24 results from 20 wells, median 141.0 mg/L, range 15.6-564.0 mg/L; none above any federal threshold

