How Acidic Water Enters Groundwater in Clackamas County Aquifer 110ALVM
Natural pH Range from Regional Aquifer Characteristics
U.S. Geological Survey sampling of three wells between 57 and 71 feet deep in Clackamas County's 110ALVM aquifer found pH values ranging from 6.6 to 7.7, with a median of 7.35 standard units. This range reflects natural water-rock interactions and soil chemistry influencing acidity, rather than any contamination or treatment process.
Groundwater pH and Its Impact on Water Quality
Lower pH values indicate more acidic water, which can affect pipe materials and taste. The EPA secondary standard for pH in water is 6.5 to 8.5, focusing on aesthetic and corrosivity concerns rather than health risks. None of the sampled wells fell below 6.5, suggesting typical acidity levels remain within this non-health-based guideline locally.
Sample Size and Its Implications for Water Assessment
Number of Samples and Wells Provide Area Overview
The pH data comes from 18 samples collected over two years from three separate wells, offering a snapshot of regional groundwater conditions rather than a detailed profile of any single well.
Limitations of Area Sampling for Household Decisions
While these results suggest a typical pH range for this aquifer, household water can vary. Only direct testing of the household supply can determine its specific acid and hardness characteristics, essential for precise treatment selection.
Effect of Household Size and Use Patterns
Larger or Seasonal Households May Require Greater Treatment Capacity
Households with higher water demand or seasonal use patterns might influence the scale of treatment needed. Treatment systems are rated by capacity, such as 32,000 grains for hardness removal, which helps match equipment to household consumption.
Water Use Intensity and Its Role in Treatment Selection
More occupants or higher daily water use means treatment systems must be sized accordingly to maintain effectiveness and efficiency over time.
Commercial or Industrial Water Considerations Not Covered Here
Household-Specific Factors Differ from Commercial Needs
This checklist focuses on residential water quality concerns in Clackamas County. Commercial and industrial settings often require different testing scopes, regulatory compliance, and treatment approaches beyond typical household parameters.
Maintenance Rhythms for Treatment Systems in This Region
Routine Attention Based on Water Demand and System Capacity
The Autotrol Acidic Water + Hard Water (Well) System ships ready to configure and is designed for a 32,000-grain capacity. Maintenance schedules depend on water consumption and hardness levels but generally involve periodic media regeneration and system checks to ensure ongoing performance.
Simple Care Supports Long-Term Operation
Following recommended maintenance helps sustain treatment efficacy, especially where groundwater acidity and hardness require ongoing management.
The Autotrol Acidic Water + Hard Water (Well) System provides a documented option for households in Clackamas County aquifer 110ALVM needing to address combined acid and hardness challenges. Selecting the right capacity to match measured household demand is key to optimizing water quality benefits.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2012-06-06. 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 110ALVM aquifer (Clackamas County): 18 results from 3 wells, median 7.35 standard units, range 6.6-7.7 standard units; EPA secondary standard for pH is 6.5-8.5 (aesthetic/corrosivity, not health-based); 0 of 18 sampled results fell below 6.5
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