This is a Civil Judicial Referral for violations of the Clean Water Act, 33 U.S.C. ?? 1311 and 1342. The violations involve Wal-Mart and Colorado Structures' failure to implement an adequate Storm Water Pollution Prevention Plan at a store construction site, and the resulting discharge of sediment to waters of the United States. The Referral requests that US DOJ include these violations in an existing national enforcement action against Wal-Mart and Colorado Structures, seeking penalties and injunctive relief.