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Buy NowIntroduction to St. Louis County’s Aquifer and Well Water Delivery
The drinking water for residential wells in St. Louis County typically comes from aquifer 112GSSG. Groundwater moves through this aquifer, collected by wells that draw water up to household taps. Understanding this aquifer's characteristics helps in evaluating water quality concerns and treatment needs for complete well water systems.
1. Considering Household Size and Seasonal Use in Treatment Needs
Larger households, second homes, or seasonal properties place different demands on well water supply and treatment systems. Increased water usage can affect how treatment capacity meets daily needs, requiring solutions that handle variable flow and volume. Systems configured for a typical household may need adjustment or higher capacity for larger or intermittently used homes to maintain consistent water quality.
2. Impact of Sample Depth, Well Depth, and Source Type on Water Quality Expectations
Samples from the local aquifer have been taken from wells approximately 40 feet deep. The depth of your well or the specific type of groundwater source can influence detected constituent levels. Shallow wells might experience different dissolved solids concentrations or other characteristics compared to deeper wells within the same aquifer. Knowing this distinction helps set realistic expectations before proceeding with water treatment decisions.
3. Seasonal and Multi-Year Variation in Aquifer Water Quality
Data collected from 2014 to 2024 reveal fluctuations in total dissolved solids within aquifer 112GSSG. The median value recorded was 296.5 mg/L, with a range from 0.38 to 332.0 mg/L. These variations show that water quality in the aquifer is not constant and can change over time due to natural conditions. Recognizing this variability assists in choosing a treatment system that can adapt to modest shifts in water quality.
4. Interpreting Terms: 'Detected,' Median, and Range in Water Sampling Records
All samples from this area showed detectable levels of total dissolved solids; none were below reporting limits. 'Detected' means the instrument measured the constituent, not that it indicates a problem. The median is the middle measurement among all samples, helping to summarize typical conditions, while the range shows the lowest and highest measurements encountered. None of these samples surpassed federal thresholds, confirming that detected levels fall within acceptable bounds for water quality standards.
5. Comparing St. Louis County’s Water Quality Data with Neighboring Regions
When comparing this aquifer’s data with nearby counties, it’s important not to overinterpret differences. Variations in median or range values across borders reflect natural aquifer differences rather than direct indications of poorer water quality. This understanding prevents unnecessary alarm and supports informed decisions about treatment solutions based on local data.
Summary
Choosing a complete well water treatment system in St. Louis County involves evaluating household water demands, recognizing how well depth and source type influence water quality, and understanding seasonal and regional variations documented in local data. The Autotrol Complete Well System ships ready to configure and offers a treatment capacity of 32,000 grains to address these considerations effectively.
Where this information comes from
Source: USGS groundwater sampling. Sampled 2024-09-20. 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 Total dissolved solids in the 112GSSG aquifer (St. Louis County): 6 results from 1 wells, median 296.5 mg/L, range 0.38-332.0 mg/L; none above any federal threshold