THIS IS AN AO ISSUED PURSUANT TO SECTION 404 OF THE CWA TO BRIAN CHUCHUA. THE VIOLATION INVOLVES UNAUTHORIZED DISCHARGE OF DREDGED AND FILL MATERIALS TO WATERS OF THE US, NAMELY THE SAN LUIS REY RIVER. CHUCHUA IS MINING AGGREGATE MATERIAL FROM THE RIVER FOR PROFIT. THE ORDER DIRECTS CHUCHUA TO CEASE UNAUTHORIZED ACTIVITIES AND RESTORE ECOLOGICAL DAMAGE DONE TO THE SITE. (IF RESPONDENT FAILS TO COMPLY, EPA WILL REFER THE MATTER TO DOJ FOR JUDICIAL ACTION.)