Holding that documents showing that EPA's categorical failure to consider data older than 7.5 years led to impaired waters being excluded from Florida's 303(d) list could be considered on remand “as extra-record material necessary to determine whether EPA considered all relevant factors in making its decision”
Holding that "the mooting of injunctive relief will not moot the request for civil penalties as long as such penalties were rightfully sought at the time the suit was filed."
Holding it would be absurd to apply Clean Water Act's requirement of "zero discharge" to de minimis pollution discharges that posed no threat to public health