Wikipedia:Articles for deletion/List of the most polluted rivers in the United States
Unsourced, original research. Moreover, almost any effort to identify a river as "most polluted" is almost inherently going to require |original research, because (as commenters above have noted in various ways) the metric of "most polluted" is complicated and a matter of opinion
— User:Orlady, 18:02, 15 December 2012 (UTC)
Stance: delete
Cited policy: WP:OR (Wikipedia:No original research)