If you rely on Kent County Water Authority, what does federal chromium-6 monitoring tell you?
The EPA's Unregulated Contaminant Monitoring Rule 3 (UCMR3) collected data from 2013 to 2015 to better understand emerging drinking water contaminants, including hexavalent chromium (chromium-6), across the U.S. For the Kent County Water Authority system serving Coventry, Cranston, East Greenwich, North Kingstown, Scituate, Warwick, West Greenwich, West Warwick, and greater Kent County, federal tests detected chromium-6 in some samples at levels up to 0.11 micrograms per liter (µg/L or parts per billion), with a median detected value of 0.047 µg/L. These findings represent a measurement of presence, not a violation or indication that water is unsafe. The system has no EPA health-based violations on record. However, these results reflect system-wide sampling and not the specific levels in any individual household's water, which can vary due to plumbing and other factors.
If you consider sources of hexavalent chromium, what local factors and water composition matter?
Chromium-6 in water can originate from natural deposits or industrial activities such as metal plating. The Kent County Water Authority’s supply is surface water, which may have varied chromium sources distinct from groundwater aquifers known for geogenic hexavalent chromium in arid or alkaline conditions. While geogenic chromium-6 typically relates to natural rock interactions, industrial sources can elevate hexavalent chromium differently. Understanding the local water source context can help guide decisions about treatment equipment and expectations.
If you want to improve your home’s water, how does treated water from the Fleck Chromium-6 Filter differ at the tap?
The Fleck Chromium-6 Filter ships ready to configure and uses technology designed to address chromium-6 presence by reducing its concentration in water delivered to household taps. After treatment, water exiting this equipment typically contains significantly reduced chromium-6 levels, improving water aesthetics and supporting household water quality goals. This technology targets chromium in its hexavalent form, providing you a tailored water improvement solution for chromium-6 concerns documented by public water system data.
If you wonder about chromium oxidation state changes from source to tap, what chemistry occurs in transit?
Chromium can exist as chromium(III) (trivalent) or chromium(VI) (hexavalent) in water, with hexavalent chromium generally more soluble and mobile. Changes in oxidation state may happen between source water, treatment, and distribution systems due to pH, redox conditions, and other factors. However, the public water system data measures chromium-6 directly, representing hexavalent chromium presence without assumptions about conversion in the pipe network or household plumbing. Treatment equipment focusing on chromium-6 specifically addresses the hexavalent form detected by monitoring.
If you track chromium-6 over time, what does sampling from 2014 to 2015 show about variation?
The UCMR3 results for Kent County Water Authority involved 20 samples analyzed between May 2014 and February 2015. Among these, five samples showed chromium-6 detectable above the reporting level, with values ranging up to 0.11 µg/L. The limited number of detections and their spread indicate some variation in chromium-6 occurrence during that period but do not establish trends or maximum expected values for all times or locations within the system. Seasonal or multi-year fluctuations may occur but require ongoing monitoring for precise characterization.
If you wonder why total chromium results do not fully represent chromium-6 levels, what should you consider?
Total chromium analysis includes all oxidation states combined—both chromium(III) and chromium(VI). In Kent County Water Authority, total chromium was detected in eight samples at levels up to 0.8 µg/L. Because the federal maximum contaminant level (MCL) applies to total chromium at 100 µg/L, individual hexavalent chromium concentrations detected (all well below 1 µg/L) remain a subset of this broader measure. Understanding chromium-6 specifically is important for households concerned about this particular form and looking into treatment options that target hexavalent chromium rather than total chromium alone.
What should household decision-makers not conclude solely from Kent County area chromium-6 data?
The public water system’s recorded chromium-6 detections are informative for regional water quality context but do not specify individual household water conditions. These results do not reflect violations, health risks, or unsafe water under EPA standards. To determine precise chromium-6 levels in your home, testing your own water with a certified laboratory is essential. While the Fleck Chromium-6 Filter offers a documented approach designed to address hexavalent chromium concerns supported by system data, your choice should align with your personal water testing results and treatment objectives.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2015-02-11. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Kent County Water Authority (RI1559511), RI: 40 results across 2 listed contaminants, 13 detections above the reporting level; no federal MCL for hexavalent chromium; total chromium MCL 100 ug/L
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