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National Drinking Water Database


Chromium (hexavalent) in Ohio


Chromium is a metal that pollutes drinking water due to discharge from steel and pulp mills and erosion of natural deposits. [read more]

The Most Polluted Communities in Ohio

1 water utilities reported detecting Chromium (hexavalent) in tap water since 2004, according to EWG's analysis of water quality data supplied by state water agencies

Ranked by highest average Chromium (hexavalent) level

RankSystem Population Served Positive test results of total reported tests Average Level
(Range)
1Penguin Condominiums
Stow, OH
1241 of 15 ppb
(5 ppb)

Health Based Limits for Chromium (hexavalent)

StandardDescriptionLevel
Maximum Contaminant Limit (MCL)The enforceable standard which defines the highest level of a contaminant that is allowed in drinking water. MCLs are set as close to health-based limits (Maximum Contaminant Level Goals, or MCLGs) as feasible using the best available analytical and treatment technologies and taking cost into consideration. Source: U.S. Environmental Protection Agency.100 ppb

Violation Summary for Chromium (hexavalent) in Ohio

There are no violations reported for this contaminant in Ohio