Autotrol Heavy Metals Filter

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Local Aquifer and Water Supply Overview

Hennepin County relies in part on groundwater drawn from the aquifer designated 112GSSG. This aquifer feeds wells that supply residential water, with water rising from depths between 9 and 29 feet where it is collected. Treated household water typically originates from such wells and is delivered through residential plumbing to taps.

Distinguishing Heavy Metals from Other Water Concerns

Barium is the heavy metal most frequently detected in this aquifer according to U.S. Geological Survey data. Unlike common water issues such as hardness or sediment presence, barium does not cause scaling or turbidity but is a distinct chemical element present in dissolved form.

It's important not to confuse barium detection with violations or health risks because the levels found in this area do not exceed federal thresholds. Heavy metals like barium differ from parameters often linked to taste or staining, requiring different evaluation and treatment approaches.

Scope and Limitations of Sampling Data

The data summarizing barium levels comes from 23 samples drawn from 20 separate wells in the aquifer, collected between 2011 and 2016. These wells are representative of the region’s shallow groundwater but do not necessarily reflect every household's private well water quality.

A small sample like this provides a general indication of what may be present across the aquifer but cannot specify an individual home’s water composition. Individual well testing is essential for a household to know its exact barium concentration.

Influence of Source and Well Depth on Water Quality

The sampled wells ranged from 9 to 29 feet deep, a relatively shallow depth in groundwater terms. Variations in well depth or source type within the aquifer can influence the concentration of dissolved metals like barium. Deeper wells or different geological strata might yield different results.

Homeowners should consider these factors when evaluating their water and deciding on treatment solutions, as sampling focused on shallower wells may not capture the full range of local water variations.

Interpreting Median and Range Values for Household Perspective

The median barium concentration found in the sampled wells was 83.0 micrograms per liter (µg/L), with individual samples ranging from 23.4 up to 279.0 µg/L. All results were below federal thresholds, indicating no regulatory exceedance.

This means while barium is consistently present in the area’s groundwater, its concentration varies. A homeowner might find their own well water closer to the lower or upper ends of this range or somewhere near the median. Knowing where a household’s water fits requires specific testing conducted on that well.

Effect of the Autotrol Heavy Metals Filter on Treated Water

The Autotrol Heavy Metals Filter provides a direct-purchase solution that ships ready to configure for reducing heavy metals such as barium from household water. Once in use, water passing through this system typically shows lowered levels of dissolved metals, helping address concerns related to taste, staining potential, or corrosion linked to elevated metal content.

By targeting heavy metals specifically, this filter differs from other treatment options designed for general filtration or hardness reduction, offering a focused approach based on the composition indicated by local aquifer data.

Evaluating the need for such a system involves comparing household water test results to local data and considering the presence of heavy metals in the raw water supply. This decision balances awareness of regional water characteristics against the composition of the household well or water source.

Summary

Groundwater sampling in Hennepin County’s aquifer 112GSSG shows barium is detected consistently but below federal thresholds. Understanding how sampling scope, depth, and regional data relate to individual household water quality guides treatment decisions.

Homeowners considering treatment options can use targeted filtration technologies like the Autotrol Heavy Metals Filter to address detected heavy metals, contingent on confirming their own water conditions through testing.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2016-09-08. 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 Barium in the 112GSSG aquifer (Hennepin County): 23 results from 20 wells, median 83.0 ug/L, range 23.4-279.0 ug/L; none above any federal threshold