Chromium-6 Levels in Dougherty County Water: Understanding Albany's Public Water Record

The EPA's monitoring of Albany, Dougherty County public water system, serving about 101,245 people via groundwater, shows chromium-6 detections ranging from 0.03 to 1.38 micrograms per litre (µg/L). This record contains no health-based violations under current federal standards.

Why California Set Its Own 10 µg/L Limit for Chromium-6 and What It Means Here

California established a state-level maximum contaminant level (MCL) of 10 µg/L for chromium-6 to address concerns about long-term exposure and potential health risks. While this limit is specific to California, other states, including Georgia, follow federal guidelines without a chromium-6 MCL. For Dougherty County residents, this means the detected chromium-6 concentrations in Albany public water are well below California’s limit, and no violation is recorded by EPA standards. However, this historical context informs an understanding of chromium-6 as a water quality constituent of interest.

Trivalent Versus Hexavalent Chromium: Why Total Chromium Results Don’t Tell the Whole Story

Chromium in water occurs primarily in two forms: trivalent chromium (Cr(III)) and hexavalent chromium (Cr(VI), or chromium-6). Total chromium testing measures both combined but does not differentiate between these forms. Given trivalent chromium is an essential nutrient in trace amounts and generally less concerning, knowing only total chromium does not specify what household water truly contains. Hexavalent chromium, however, is more chemically reactive and is the form measured separately in Albany’s public system by EPA’s monitoring rule.

What 'Detected', 'Median', and 'Range' Mean in Albany’s Chromium-6 Sampling Record

• Detected: Instances where chromium-6 concentrations were measurable above the reporting level of 0.03 µg/L but not necessarily harmful or exceeding any limit.
• Median: The middle value of all chromium-6 detections, here 0.59 µg/L, representing a typical detected concentration.
• Range: Minimum to maximum chromium-6 values found, from 0.03 to 1.38 µg/L, illustrating variability across samples but all below any regulatory limit.

Maintenance Rhythm of Chromium-6 Treatment with the Pentek Chromium-6 Filter

For households experiencing issues related to chromium-6 or seeking added assurance beyond the public system record, the Pentek Chromium-6 Filter ships ready to configure and can be part of a water treatment approach. Its maintenance typically involves periodic replacement of filter elements as specified by the manufacturer’s guidelines, based on usage and water quality rather than preset time intervals. This predictable rhythm supports consistent treatment performance without complex ongoing upkeep.

How Many Samples and Wells Stand Behind Albany’s Chromium-6 Figures and What That Means

The EPA’s unregulated contaminant monitoring rule recorded 26 chromium-6 samples from Albany’s public system between 2014 and 2015, all sourced from groundwater. These samples provide a broad but not continuous picture of chromium-6 levels affecting the community supplied by multiple wells. Because the sample size and frequency are limited, this data reflects general system water quality trends rather than specific real-time household conditions.

A Worked Example: Reading Albany’s Median and Range as a Homeowner

Suppose you read that Albany’s chromium-6 median detection is 0.59 µg/L with a highest measurement of 1.38 µg/L. This means that while half of the detectable samples reported around 0.59 µg/L chromium-6, some samples reached up to 1.38 µg/L. Both values remain far below the total chromium federal limit (100 µg/L) and California's chromium-6 advisory of 10 µg/L. Yet, because only the system’s samples are reported, homeowners needing to know their individual water condition will require a separate test targeting chromium-6.

What You Should Not Conclude

Area sampling data from Albany’s public water system gives an overview but does not establish any individual household’s chromium-6 concentration or safety. Detection above a reporting level is not a violation or a safety finding. The absence of health-based violations means the system complies with current federal standards. Homeowners whose existing water treatment equipment has stopped functioning and who want to address chromium-6 concerns can consider targeted technologies such as the Pentek Chromium-6 Filter, which ships ready to configure and offers treatment designed specifically for hexavalent chromium.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2015-01-27. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR3 monitoring (2013-2015) for Albany (GA0950000), GA: 51 results across 2 listed contaminants, 28 detections above the reporting level; no federal MCL for hexavalent chromium; total chromium MCL 100 ug/L