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Nearly all large rivers have met Water Quality Standards; Ohio EPA seeks comments on 2010 Impaired Waters List

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Ohio’s large rivers showed continued improvement over the last two years, with just over 93 percent of monitored miles in full attainment of water quality standards.  That compares to 79 percent of monitored large river miles meeting standards in the 2008 report.
 
Ohio EPA released a draft of the 2010 water quality report that depicts the status of Ohio’s waterways. The public may comment on the report’s list of impaired waters until February 8, 2010.
 
Ohio EPA has updated the report with the most recent data and further improved the report by assigning a status for each of four beneficial uses instead of a single overall status for watershed units.  This change resulted in a large number of waters being removed from the list of impaired waters.  
 
In addition, the assessment report divides the state into smaller watershed units.  Like pixels on a television, this allows information to be reported on a finer scale.  The assessment of each watershed unit in detail is available only online at
http://epa.ohio.gov/dsw/tmdl/2010IntReport/index.aspx .  Visit this Website
to review specifics concerning water bodies that are impaired or delisted. 
 
Rivers assessed since the last Integrated Report in 2008 include the lower
Little Miami, Mohican, Walhonding, upper Great Miami, Licking and Cuyahoga. 
All these water bodies demonstrated significant improvement over prior
surveys during the mid- to late 1990s.  The report lists impaired waterways
and examines four beneficial water uses: aquatic life use; human health use
(evaluated by fish tissue sampling); public drinking water supply use; and
recreational use.
 
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