Pentek Chromium-6 Filter

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If you notice a metallic taste or slight discoloration in your tap water in Dothan, Houston County, you might wonder if chromium-6 is part of the issue. Chromium-6 is a constituent measured by the EPA in many water systems, including Dothan’s groundwater source. Here’s what the official record shows and how you can make sense of it.

Chromium-6 Enters Houston County’s Groundwater Naturally and Through Local Activity

Chromium-6 can be present in groundwater due to natural mineral deposits and human activities that release chromium into soil and water. In Houston County, Dothan’s water supply relies on groundwater drawn through multiple wells. The water system uses this groundwater as its source, so chromium-6 measurements relate to those underground sources rather than surface water or purchased treated water.

The Number of Samples and Wells Behind Houston County’s Chromium-6 Figures

The EPA’s Unregulated Contaminant Monitoring Rule (UCMR3) sampled the City of Dothan Utilities system 66 times between 2014 and 2015. Out of these, 11 detections of chromium-6 were above the minimum reporting concentration of 0.03 micrograms per liter. Though these detections indicate the presence of chromium-6, the sampling represents the system as a whole, not any individual home’s water. A smaller number of samples means statistics like median levels come with some uncertainty about fluctuations over time or at different locations within the system.

Comparing Houston County’s Data Without Assuming It Matches Neighboring Regions

Data from Houston County’s Dothan water system is specific to that system’s groundwater and treatment methods. Neighboring counties may have differing geology and industrial influences that affect chromium-6 levels differently. While some comparisons can be insightful, it’s important not to interpret Houston County’s figures as universal for all nearby areas or to predict an individual home’s water quality without direct testing.

Understanding What 'Detected,' 'Median,' and 'Range' Mean in Local Sampling

• Detected means a measured concentration was above the instrument’s reporting level (0.03 µg/L for chromium-6). It does not indicate a legal limit was exceeded.
• Median of detections (0.21 µg/L) reflects the middle value among the detected chromium-6 levels, showing typical detected concentrations without assuming uniformity.
• Range (up to 2.4 µg/L) indicates the highest detected level during the period, though this is not a violation or safety finding.

The total chromium maximum contaminant level (MCL) set by federal regulations is 100 micrograms per liter, and all local samples are well below this benchmark.

Maintenance Rhythm of the Pentek Chromium-6 Filter System

For households concerned about chromium-6 levels, the Pentek Chromium-6 Filter ships ready to configure with residential plumbing setups. This filtration system uses technology documented to reduce chromium-6 presence effectively. Maintaining its performance involves periodic filter cartridge replacement according to usage volumes and water quality, typically outlined in the product’s user instructions. Regular checks ensure the system operates at peak effectiveness in managing chromium-6 at the household point of use.

To settle questions about chromium-6 in your specific home water, the single reliable step is to conduct a certified laboratory test for chromium-6 concentration from your tap. This test will establish your home's actual water quality, guiding whether a filtration system like the Pentek Chromium-6 Filter would be beneficial for your household.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2015-02-03. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR3 monitoring (2013-2015) for City of Dothan Utilities (AL0000681), AL: 132 results across 2 listed contaminants, 21 detections above the reporting level; no federal MCL for hexavalent chromium; total chromium MCL 100 ug/L