Dealing with Acid and Hardness in Duval County Well Water: Understanding Regional Hardness Levels

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Understanding Hardness and Acid in Duval County Groundwater
Many homeowners in Duval County face the challenge of acidic and hard water. While you may already know your household water has these issues, it can be difficult to understand their severity and what steps to take next.
Government sampling by the U.S. Geological Survey provides insight into the typical water quality in the aquifer supplying the area, designated as 120FLRD. This data comes from 60 water samples collected from 13 wells between 2010 and 2014 at depths ranging from 510 to 1304 feet. These results offer a regional perspective but do not reflect the exact condition of your household well or tap water.
What the Data Shows: Hardness Levels
The regional median hardness level measured as combined calcium and magnesium is 324 mg/L. Individual well results ranged from 169 mg/L up to 835 mg/L. Every sample detected hardness compounds, confirming that hard water is common in this region. Importantly, none of these concentrations exceeded federal thresholds for safety. Hardness at these levels typically affects water's taste, causes scale buildup on appliances and pipes, and may contribute to staining. However, these effects vary by household depending on actual water chemistry and usage.
What This Means for Your Household
Because regional data does not detail your home's exact water composition, testing your own water is the only way to determine your specific hardness and acid levels. Testing can reveal how acidic your water is, which relates to pH, as well as the concentration of calcium and magnesium contributing to hardness.
Water that is both acidic and hard can accelerate corrosion of plumbing materials and create buildup that reduces water flow and appliance efficiency. Addressing these issues can extend the life of your plumbing system and improve water quality.
How Chemical Feed Systems Can Help
For households facing acid and hardness challenges, chemical feed technology offers a targeted solution. A system designed for whole-home treatment can adjust pH levels and mitigate hardness effects by introducing measured amounts of chemical agents.
The Total Well Complete Chlorination Whole-Home System is a chemical feed device with a capacity of 48,000 grains, capable of treating up to 17 gallons per day at a flow rate of 9 gallons per minute. Its 10x54 tank size is designed to fit typical residential water systems. It ships ready to configure, allowing adaptation to your specific water testing results and treatment needs.
Next Steps for Homeowners
- Obtain a professional water test to measure acidity (pH) and hardness (calcium and magnesium levels) in your household water supply.
- Compare your household results to the regional median and range to understand where your water stands relative to typical local conditions.
- Consider a chemical feed water treatment system like the Total Well Complete Chlorination Whole-Home System if tests show levels that impact your plumbing or water quality.
By taking these steps, you can better manage acid and hardness in your household water, protecting your plumbing and improving your water experience.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2014-08-07. 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 120FLRD aquifer (Duval County): 60 results from 13 wells, median 324.0 mg/L, range 169.0-835.0 mg/L; none above any federal threshold
The documented solution
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