Autotrol Metallic-Tasting Water Filter

Buy Now

View full details

Understanding Area Copper Data as a Homeowner

Water quality data from Lafayette Parish's aquifer 112CHCTU offers insight into copper concentrations broadly found in the area’s groundwater. This data comes from 56 samples drawn over a decade from 31 wells spaced across the parish, with depths ranging from 11 to 250 feet. The median copper concentration was 1.45 micrograms per liter, with individual readings spanning from 0.4 to 286.0 micrograms per liter. These numbers reflect measurements taken by the U.S. Geological Survey and represent general conditions in Lafayette Parish, not the specific water in any individual household.

Systematic Steps to Identify the Source of Metallic Taste

If your household water has a metallic taste, the process of identifying its source should begin with the least costly and intrusive checks. Start by tasting water from different taps to see if the sensation is localized. Check if the metallic taste appears only when hot water is used, which could indicate plumbing or appliance issues. Next, evaluate if older fixtures or pipes might be contributing metal ions. If these steps do not clarify the cause, water testing through a certified laboratory will provide a precise analysis of your household water's copper and other metal contents.

Common First Indicators: Fixtures and Appliances

The earliest signs of metallic taste often manifest where water stands in contact with metal components for extended periods. Faucets with brass or copper parts, water heaters, and coffee makers can be the first to show changes in taste. These appliances or fixtures can leach metals, especially if water is acidic or corrosive, which sometimes exacerbates metallic flavor even when source copper levels are within typical regional ranges.

Interpreting Copper Levels: What the Range Means Compared to Federal Standards

All copper measurements from Lafayette Parish wells fall below federal health-based thresholds. Detecting copper, even up to the highest recorded concentration in the samples, does not imply violation of any legal limits or confirm that water is unsafe. Instead, the presence of copper at these levels may influence taste and can be a factor in the metallic flavor but does not alone determine water safety.

Collecting Information Before Seeking Water Treatment

Before considering solutions, document the following details about your water situation: which taps and appliances show the metallic taste, the frequency and duration of the taste, any recent changes in plumbing or water source, and results from any home or laboratory water tests. This record will help in choosing the most appropriate measures for water improvement.

Why Aesthetic Secondary Standards and Health Limits Differ for Copper

Copper has both health-based drinking water standards and secondary aesthetic guidelines. The federal primary standard is designed to protect against health effects from long-term exposure, while secondary guidelines address taste, staining, and corrosive effects. It is common that copper concentrations detected in area sampling relate more to aesthetic concerns like metallic taste rather than health risks.

These notes reflect copper sampling carried out in Lafayette Parish’s aquifer 112CHCTU by the U.S. Geological Survey as recorded from March 2011 through July 2021. For detailed data and sampling methodology, consult the official government water data site.

For households experiencing metallic taste consistent with copper presence, the Autotrol Metallic-Tasting Water Filter ships ready to configure and is designed to effectively reduce the metallic flavor by treating water at the point of entry or use.

Where this information comes from

Source: USGS groundwater sampling. Sampled 2021-07-22. 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 Copper in the 112CHCTU aquifer (Lafayette Parish): 56 results from 31 wells, median 1.45 ug/L, range 0.4-286.0 ug/L; none above any federal threshold