This case arises from an administrative complaint filed by the U.S. EPA Region 9 (“Region” or “Complainant”) against Mr. Frank Alo (“Respondent”) for alleged violations of section 301(a) of the Clean Water Act (“CWA”), 33 U.S.C. § 1311(a). The case involves the alleged discharge of fill material into waters of the United States without authorization under CWA section 404, 33 U.S.C. § 1344.