Residential Acid and Hardness Water Issues in Merrimack County Bedrock Aquifers
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Fleck Acidic Water + Hard Water (Well) System
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How Acidic and Hard Water Develops in Merrimack County Bedrock Aquifers
Natural Rock Composition Influences pH and Hardness
The bedrock aquifers in Merrimack County commonly contribute minerals like calcium and magnesium, which cause water hardness. The pH level, an indicator of acidity or alkalinity, varies with local geological conditions and groundwater flow.
Groundwater Flows Through Deep Wells Affecting Water Quality
Sampled wells in the region range between 211 and 280 feet deep, meaning water chemistry reflects interactions with bedrock minerals over this depth.
Data Limitations: Number of Samples and Wells in Government Records
Three Sample Results From Two Separate Wells Over Six Years
The U.S. Geological Survey sampled groundwater in Merrimack County bedrock aquifers three times between 2012 and 2018, providing a limited data set rather than a comprehensive survey.
Small Sample Size Means Wide Variation Is Possible
With only two wells sampled, the reported median and range help define a general regional picture but cannot predict any single well's water quality.
Recognizing Acid and Hardness Water Symptoms in Your Home
Signs Related to Hard Water
- Scale buildup on fixtures and appliances
- Soap scum and reduced soap lather
- Spotting on glassware
Potential Effects of Acidic Water in Households
- Metallic taste in drinking water
- Staining and etching on plumbing surfaces
- Possible increased corrosion risk to pipes
Symptoms Not Indicative of Acid or Hardness
- Cloudy water or sediment
- Strong chlorine smell
- Unusual color unrelated to mineral content
Understanding Sampling Terms: Detected, Median, and Range
Detected Means the Constituent Was Measured, Not That It Exceeds Any Limit
All three samples detected pH values, with no samples below the reporting limit, confirming measurement but not implying a violation.
The Median pH Level Was 8.2, Within EPA Secondary Aesthetic Range
The EPA secondary standard for pH is 6.5 to 8.5, addressing taste and corrosion but not health. One sample fell below 6.5, indicating some acidity in local groundwater.
Range Shows Variation From Slightly Acidic to Slightly Alkaline
The pH ranged from 6.0 to 8.2 across the samples, illustrating natural variability rather than a fixed condition.
Assessing Household Treatment Capacity Needs
Match Treatment Grain Capacity to Daily Water Demand
The Fleck Acidic Water + Hard Water (Well) System offers a 32,000-grain capacity, suitable for medium to large household water use.
Consider Daily Consumption When Choosing Treatment Size
Estimating your home's daily water use helps ensure the system’s capacity adequately reduces hardness and neutralizes acidity between regenerations.
Understand That Treatment Systems Ship Ready to Configure
This system arrives prepared for customer setup, allowing direct control over adaptation to specific household conditions without requiring professional service.
This page reviews pH data from groundwater samples taken in Merrimack County's bedrock aquifers as recorded by the U.S. Geological Survey, covering two wells sampled thrice between 2012 and 2018. For details, visit the USGS monitoring location: https://waterdata.usgs.gov/monitoring-location/431525071312401/.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2018-08-06. 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 pH in the BEDROCK aquifer (Merrimack County): 3 results from 2 wells, median 8.2 standard units, range 6.0-8.2 standard units; EPA secondary standard for pH is 6.5-8.5 (aesthetic/corrosivity, not health-based); 1 of 3 sampled results fell below 6.5