The 2010 list of impaired water bodies in New York State is available here.
63 waterbodies were removed from the 2008 list, while 104 were added. There was an overall 5% increase, but this is slightly misleading. Most of the new additions are because of increase assessments, not necissarily because they are newly impaired. A number of new listings are because of Brown Tide and Cladophora which were previously not listed on the 303(d)list because of the uncertaintly in the effectiveness of TMDL's as an approach to the problem.
This graph was used by NYSDEC to show the frequency for which a source was reference as a significant contributing factor for listing.
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