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Regional Bedrock Aquifer Characteristics and Water Flow

Water Is Drawn From Deep Bedrock Wells

In Androscoggin County, household water often comes from bedrock aquifers accessed by wells typically several hundred feet deep. Groundwater moves through fractures in the bedrock before reaching well intakes, carrying dissolved minerals like arsenic.

Sampling Reflects Multiple Deep Wells, Not Individual Homes

The U.S. Geological Survey conducted samples from three deep wells, between 262 and 304 feet deep, within the bedrock aquifer in 2011. These samples provide regional insights but do not specify an individual household’s water quality.

Seasonal and Multi-Year Variation in Arsenic Concentrations

Samples Taken Over August to October Show Some Variation

The three sampled wells were measured between late August and mid-October 2011, showing arsenic detected in all three samples.

Measured Arsenic Range Indicates Regional Fluctuation

Values ranged from 0.24 to 16.4 micrograms per liter, with a median of 10.7 micrograms per liter. These variations reflect natural changes across the region and over time but do not predict household-level concentrations.

Impact of Household Size and Seasonal Water Use

Larger Households May Use More Water but Arsenic Levels Remain Source-Dependent

While total water use increases with larger or multiple families, arsenic concentration is determined by source water and does not dilute or concentrate directly from household usage.

Seasonal Properties Should Test Independently

Water sitting unused for months can exhibit differences, but arsenic presence depends on the well and aquifer, so testing the property’s water upon occupancy is advised.

Interpreting Certified Laboratory Test Results for Arsenic

Laboratory Testing Provides Individualized Data

A certified lab analyzes a water sample from your household well, reporting arsenic concentration in micrograms per liter. This personal data determines need or urgency for treatment beyond regional trends.

Understanding Detection Versus Regulatory Limits

Detection means arsenic was measured, but it is not itself a violation. None of the regional samples exceeded the federal arsenic drinking water limit, but household results may vary and require independent confirmation.

Changes in Water Quality After Treatment With the Fleck Arsenic Filter

The Filter Reduces Dissolved Arsenic

Once configured, the Fleck Arsenic Filter specifically targets and removes arsenic compounds from water before it reaches taps, helping improve water safety and taste by lowering arsenic concentrations.

Water Post-Treatment Is Clear of Detected Arsenic Ranges From Untreated Samples

Filtered water aims to bring arsenic levels below typical detected ranges in untreated Androscoggin County bedrock aquifer water, though testing is recommended to confirm performance.

Stepwise Approach to Confirm and Address Arsenic Concerns

Start With Visual and Taste Checks

While arsenic itself is odorless and tasteless, water quality issues can sometimes be initially detected through changes in water appearance or taste that warrant further testing.

Obtain a Certified Laboratory Arsenic Test

Collect a water sample and submit to a state-certified lab to measure arsenic concentration accurately for your home’s water.

Evaluate If Treatment Is Needed Based on Test Results

If arsenic is detected at levels of concern, consider water treatment options such as the Fleck Arsenic Filter to reduce arsenic before household use.

Additional Considerations for Commercial or Industrial Properties in Androscoggin County

Higher Water Volume Usage May Require Larger-Scale Solutions

Commercial operations might have higher water demands that necessitate customized arsenic reduction equipment or approaches beyond standard household technology.

Regulations and Reporting May Differ

Businesses typically face more stringent water quality monitoring, reporting, and compliance rules than residential users in the same area.

In summary, regional arsenic sampling in Androscoggin County’s bedrock aquifer shows detectable but below-threshold levels. Confirming your household’s water arsenic requires certified testing. If treatment is warranted, the Fleck Arsenic Filter ships ready to configure and effectively reduces arsenic at the tap.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2011-10-13. 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 Arsenic in the BEDROCK aquifer (Androscoggin County): 3 results from 3 wells, median 10.7 ug/L, range 0.24-16.4 ug/L; none above any federal threshold