The Bennington Water Department, serving the town of Bennington in Bennington County, Vermont, provides water sourced from surface supplies to around 13,250 residents through nearly 7,000 connections. As water travels from its surface source through treatment and delivery mains into homes, its chemical composition can change in subtle ways, including the form and concentration of chromium compounds.
If you want to understand chromium-6 versus total chromium results
Chromium in water exists primarily as trivalent chromium (Cr(III)) and hexavalent chromium (Cr(VI), also known as chromium-6). A test reporting total chromium combines both forms, offering limited insight into the specific chromium-6 content. For example, the Bennington system’s sampling under the EPA’s Unregulated Contaminant Monitoring Rule 3 (UCMR3) reported some detections of total chromium, but only one result above the reporting level of 0.2 micrograms per liter (μg/L or parts per billion), peaking at 0.233 μg/L. Meanwhile, chromium-6 was detected in multiple samples at levels up to 0.094 μg/L. Because chromium-6 and total chromium are different chemical species with varying health and aesthetic profiles, total chromium numbers cannot reliably inform household chromium-6 questions.
If you want to understand the scope and limits of the UCMR3 survey for your home
The nationwide UCMR3 sampling conducted in 2013-2015 aimed to provide data about the presence of unregulated contaminants like chromium-6 in public water systems, not individual home water quality. Sampling results from the Bennington Water Department reflect the system’s water quality as a whole during that time frame. These measurements are not compliance tests, do not constitute health-based violations, and do not describe specific homes’ water. To know the chromium-6 level in your own water, a household-specific test is necessary, as water quality can vary due to plumbing materials, localized treatment, and other factors.
If you need to assess treatment capacity relative to your household water use
Before selecting a solution for chromium-6 concerns, consider how much water your household uses daily. Treatment devices designed for chromium-6, such as the Autotrol Chromium-6 Filter, function by processing a volume of water dependent on flow rates and customer demand. Larger daily volumes require systems capable of consistent performance without premature capacity exhaustion. Understanding your household’s water consumption patterns helps ensure that the chosen technology can accommodate your needs reliably.
If your residence is a large household, secondary home, or seasonal property
Water usage and water quality monitoring can differ notably between primary residences, larger households, second homes, and seasonal properties. Infrequent use or intermittent occupancy may change water chemistry due to standing water or stagnation. Treatment strategies should reflect these patterns. The readiness of equipment like the Autotrol Chromium-6 Filter to configure for varied usage scenarios helps households maintain effective chromium-6 management regardless of residence type.
If you want to know about oxidation state changes from source to tap
Chromium’s form can change during water’s journey from source water to tap. Oxidation or reduction reactions may alter chromium-6 levels, influenced by factors like disinfection methods, pipe materials, and water age. These changes can affect the chromium species detected at household taps compared to those measured at treatment plants or distribution mains. Being aware of these dynamics clarifies why in-home water testing is essential for assessing chromium-6 presence accurately.
In summary, the EPA’s public water system record for Bennington, VT, provides a snapshot of chromium-6 occurrence in the community water supply from 2013 to 2015. It identified chromium-6 in all 12 monitored samples above the reporting level, though none exceeded federal maximum contaminant levels. For detailed knowledge of your household’s water, direct testing is necessary. The Autotrol Chromium-6 Filter ships ready to configure and offers a documented approach to managing chromium-6 in residential water. For official data and further context, visit the EPA’s public water system records online.
Where this information comes from
Source: EPA SDWIS public water system record. Sampled 2013-11-12. These figures describe the public water system's record, not the plumbing inside any individual building.
On record: EPA UCMR3 monitoring (2013-2015) for Bennington Water Department (VT0005016), VT: 24 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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