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uaiit®rnia negionai vv Ater vuaiity t,ontroi Doarct <br />Santa Ana Region <br />Terry Tamminen <br />Secretary for <br />Environmental <br />Protection <br />December 15, 2003 <br />3737 Main Street, Suite 500, Riverside, California 92501 -3348 <br />(909)782.4130 • Fax (909) 781 -6288 <br />http: //w - swrcb.ca.gov /rwgcb8 <br />Mr. Dan Bott, Environmental Coordinator <br />City of Santa Ana <br />20 Civic Center Plaza <br />P.O. Box 1988, M -20 <br />Santa Ana, California 92702 <br />L� DEC 1 9 2003 <br />EST ATE CI.EARINCHOUSE <br />Arnold Schwarzenegger <br />Governor <br />CI RaY <br />l ti -1 o' <br />l GAe, <br />NOTICE OF INTENT TO ADOPT A NEGATIVE DECLARATION, GENEVA COMMONS, <br />MACARTHUR PLACE, CITY OF SANTA ANA, STATE, CLEARING HOUSE NUMBER <br />2003111068 <br />Dear Mr. Bott: <br />Staff of the Regional Water Quality Control Board, Santa Ana Region (RWQCB), have reviewed <br />the Initial Study /Mitigated Negative Declaration (IS /MND) for the above- referenced project, a <br />mixed -use development primarily consisting of two residential towers (278 multiple - family dwelling <br />units). The Geneva Commons project will replace an earlier plan* to construct 384,601 square <br />feet of commercial office, area at the MacArthur Place site, located at the corner of Imperial <br />Promenade and MacArthur Boulevard in Santa Ana. The mitigations identified in the IS /MND <br />relate to traffic and compliance with requirements of the Orange County Airport Land Use <br />Commission. <br />There is widespread experience that urban development activity impacts water quality. This <br />development has the potential to substantially impact water quality, and associated beneficial <br />uses, that is, water quality standards, in this area. To lessen impacts to water quality standards <br />and protect beneficial uses, the following comments need to be considered for this project. <br />1. A, National Pollutant Discharge Elimination System (NPDES) permit for any discharge of <br />wastes -to surface waters, or Waste Discharge Requirements for any discharge of <br />wastes to land, is required by the California Water Code. In the past, dewatering <br />activities at MacArthur Place were initially covered 1 under Order No. 98 -67, the Santa <br />Ana Regional Board's general de minimus permit for insignificant threat discharges. <br />The discovery of slugs of hydrocarbon contamination in the soil and groundwater <br />necessitated revision of the discharger's monitoring program, and treatment'program to f <br />coverage under the Board's general groundwater cleanup permit, Order No. 96 -18. <br />Such residual contamination is known to exist at sites in the immediate vicinity of the <br />project. If further construction dewatering activities are expected to occur within the <br />scope of the Geneva Commons project, including discharges of wastewater to a storm <br />drain, the applicant must submit a Notice of Intent for appropriate NPDES permit <br />coverage, along with an analytical characterization of the site's groundwater, to the <br />Board. For information, please contact Susan Beeson at (909) 782 -4902 and review <br />Order Nos. R8- 2002 -0007 and R8- 2003 -0061 under the Adopted Orders link at the <br />Region 8 website (w,tww.swrcb.ca.00v /rwocb8). <br />2. As a result of the proposed construction activity occurring in an area over five acres, a - <br />General Construction Activity Storm Water Runoff Permit must be obtained by the <br />California Environmental Protection Agency <br />:A Recycled Paper <br />Page 2 of 3 <br />