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California Agional Water Quality Pontrol Board - Central Valley Region Steven T.Butler,Chair Winston H.Hickox ^• ^' Gray Davis Secretary for Sacratnehto Mair`OiTice Governor Environmental Internet Address: http://www.swrcb.ca.aov/—rwgcb5 Protection 3443 Routier Road,Suite A,Sacramento,Califomia 95827-3003 Phone(916)255-3000•FAX(916)255-3015 30 July 1999 Ms. Karen Durham-Augilera Mr. Alexander Krygsman Chief, Construction and Operation Division Port Director U.S. Army Corps of Engineers, Sacramento District Port of Stockton 1325 J Street P.O. Box 2089 Sacramento, California 95814-2922 Stockton, California 95201 CONDITIONAL NOTICE OF APPLICABILITY OF GENERAL ORDER, WASTE DISCHARGE REQUIREMENTS FOR UNITED STATES ARMY CORPS OF ENGINEERS AND THE PORT OF STOCKTON, SAN JOAQUIN, SACRAMENTO, AND CONTRA COSTA COUNTIES (ORDER NO. 96-220) The U.S. Army Corps of Engineers (COE) and the Port of Stockton (Port) on 26 July 1999 and 27 July 1999 submitted a Notice of Intent (NOI) for the use of General Order 96-220 for a proposed maintenance dredging project along the Stockton Deep Water Channel at the channel reaches adjacent to the Sherman Island, Bradford Island, Robert Islands, and the Old Dock. Because the NOI does not include the Disposal Plan, Water Quality and Testing Plan, and a Toxicity and Contaminant Reduction Plan, we are providing a Conditional Notice of Applicability (NOA) for the use of General Order 96- 220. When we have received and reviewed the three plans, we will be able to lift the conditions to the NOA. No dredging is to be performed until a final NOA has been issued. The COE proposes to place dredged material in three disposal sites near Stockton (S-4, Roberts Island I &11), one site on Bradford Island, and three lower river sites (Scour Pond, McCormick Pit, and Augusto Pit). Three of the dredged material disposal (DMD) sites are specifically identified in the General Order (Roberts Island I and H, and S-4 site). The other proposed sediment disposal sites are not named in the General Order(Scour Pond, McCormick Pit, Augusto Pit, and Bradford Island). Because these DMD sites are not named in the General Order but were used previously during a widening and deepening of the Stockton Deep Water Ship Channel project, they satisfy Discharge Specification C.1 of the General Order for use as DMD sites. Due to the lack of disposal capacity in McCormick Pit, the COE will use Augusto Pit which is on the Sacramento River side of Sherman Island. The COE will have to abide by Waste Discharge Requirements Order No. 88-143 for the Augusto Pit since the decant water will return to the Sacramento River. The NOI states that monitoring and discharge control at all disposal and levee maintenance sites will be accomplished in a manner that complies with the General Order. The NOI also states that the dredging contractor will develop the actual Disposal Plan, Water Quality and Testing Plan, and a Toxicity and Contaminant Reduction Plan as part of his dredging contract. Based upon the information provided in California Environmental Protection Agency �a Recycled Paper