Fleck Chromium-6 Filter

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Local Water Source and Distribution Overview

Jones County’s Surface Water Supply

Jones County, Georgia, relies on a community water system drawing from surface water sources to serve over 13,000 residents through nearly 4,700 connections. This system supplies treated water into the distribution network reaching residential taps across the county.

1. Differences Between Ion Exchange and Reverse Osmosis for Chromium-6

Ion Exchange Targets Hexavalent Chromium Specifically

Ion exchange methods selectively exchange chromium(VI) ions with other ions in a resin matrix, effectively reducing chromium-6 concentration while often preserving beneficial minerals.

Reverse Osmosis Uses Membrane Filtration

Reverse osmosis (RO) forces water through a semipermeable membrane, significantly reducing chromium(VI) along with many other dissolved solids, but also removing minerals and affecting water composition.

2. Oxidation State Changes in Chromium from Source to Tap

Chromium(VI) Detected in Jones County Water System Samples

Federal monitoring (UCMR3, 2013-2015) recorded chromium-6 at medians around 0.1255 µg/L (ppb), with intermittent detections up to 0.394 µg/L in the Jones County system. These are measurements of Chromium in the +6 oxidation state, indicating the presence of hexavalent chromium in the water source and distribution.

Oxidation State May Vary Due to Water Chemistry and Treatment

The chemical form of chromium can shift during treatment and distribution. Chromium(III) and chromium(VI) show different properties; the water utility’s treatment and the distribution system environment influence these states before water reaches the household tap.

3. Distinguishing Chromium-6 from Other Water Quality Concerns

Hexavalent Chromium vs. Total Chromium

Total chromium includes all oxidation states and was detected at lower frequencies and levels than chromium-6 in the county’s public water samples. Total chromium regulatory limits differ from hexavalent chromium and do not substitute for chromium-6 specific information.

Chromium-6 Is Not the Same as Common Aesthetic Issues

Chromium-6 presence differs from typical household water problems such as hardness, iron, or odor. Its detection involves specialized testing and addresses different treatment priorities.

4. Public System Records Versus Individual Well Testing

Public System Sampling Provides Area-Level Data

Jones County’s public water system records reflect average/aggregate data for the entire system, not specific household tap water quality. This data shows detected chromium-6 levels over a multi-month federal monitoring period, providing a regional picture.

Homeowners Need Individual Water Testing

To understand chromium(VI) levels specific to one residence, a laboratory test of that home's water supply is necessary. Public records cannot define any single home's water condition.

5. Treated Water Characteristics with Fleck Chromium-6 Filter

Treated Water Has Reduced Chromium(VI) from Ion Exchange Action

Using the Fleck Chromium-6 Filter, which uses ion exchange technology, water at the household tap sees a significant reduction in hexavalent chromium concentration due to selective ion exchange.

Water Maintains Essential Minerals and Taste

Unlike membrane-based methods, this ion exchange approach typically retains naturally occurring minerals, preserving water taste and quality.

6. Implications for Larger Households and Seasonal Homes

Higher Demand Requires Appropriately Sized Equipment

Homes with many occupants or increased water use need filtration systems sized to maintain flow rates and treatment capacity without reduced efficiency.

Intermittent Use Affects Resin Performance

For seasonal or vacation properties, longer periods without water flow can affect ion exchange resin condition, requiring attention to filter regeneration cycles or maintenance scheduling.

Recommended Testing and Decision Steps

The key step for any household in Jones County considering chromium-6 treatment is to obtain an individual water test specifically measuring hexavalent chromium (Cr(VI) or chromium(VI)) concentration in micrograms per liter (µg/L or ppb). A result confirming measurable chromium-6 guides whether use of a Fleck Chromium-6 Filter or other treatment is warranted to reduce chromium(VI) at the tap.

Where this information comes from

Source: EPA SDWIS public water system record. Sampled 2014-11-10. These figures describe the public water system's record, not the plumbing inside any individual building.

On record: EPA UCMR3 monitoring (2013-2015) for Jones County (GA1690002), GA: 48 results across 2 listed contaminants, 26 detections above the reporting level; no federal MCL for hexavalent chromium; total chromium MCL 100 ug/L