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ubb cWorks <br />Integrity, Accountability, Service, Trust <br />Shane L. Sileby, Director <br />February 24, 2016 <br />Mr. Tyrone Chesanek, Principal Civil Engineer <br />City of Santa Ana, Public Works Agency <br />20 Civic Center Plaza <br />Santa Ana, California 92701 <br />NCL -16.011 <br />Subject: Notice of Intent to Adopt a Mitigated Negative Declaration for the Santa Ana Delhi <br />Channel Diversion Project <br />Dear Mr. Chesanek: <br />The County of Orange has reviewed the Notice of Intent to Adopt a Mitigated Negative Declaration <br />for the Santa Ana Delhi Channel Diversion Project and offers the following comments: <br />Flo_o_d Proerams: <br />1. page 1-5, Section 1.0, 1n paragraph of the IS/MND states that '"The City of Santa Ana in <br />association with the Cities of Newport beach and Costa Mesa is proposing a low flow diversion <br />project.," Please add County/OCFCD as one of the project proponents to be consistent with <br />the rest of the document. <br />2. Page 1-5, Section 1.0, 3"l paragraph: Please change "Watershed Protection Group" to <br />"Environmental Resources". <br />3. Page 1-6, Section 1,2, last sentence: Please correct typo — references are listed in Section 6.0 <br />(not 7.0). <br />4. Page 2-1, Section 2.2, a and 2r"l paragraphs indicate that the total tributary area to Santa Ana <br />Delhi Channel (F01) is 10,158 acres. Our records show F01 has a catchment area of about <br />11,000 acres. Please verify and revise as appropriate. <br />5. Page 2-5, Figure 1: It is noted that the watershed boundaries of Santa Ana Delhi (F01), Santa <br />Ana Gardens (F02), and Paularino (F03) Channels have some discrepancies compared to the <br />drainage map (i.e., F01 Proposed Diversion Structure Watersheds rev.pdf) provided to the City <br />of Santa Ana (City). Please verify drainage boundaries and revise as appropriate. <br />300 N. Flower Street, Santa Ana, CA 92703 <br />P.O. Box 4048, Santa Ana, CA 92702-4048 <br />20C-95 <br />www.00pubilcmrks.com <br />714.667.8900 1 I nfoCCCPMocgamom <br />