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7 <br />a big rs <br />Integrity, Accountability, Service, Trust <br />Shane L. Silsby, Director <br />February 24, 2016 NCL -16 -011 <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 />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 />Flood Programs: <br />1. Page 1 -5, Section 1.0, 1" 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, 3rd 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, In and 2nd 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 />S. 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 />20B -19 <br />www.00publioworks.com <br />714.667.8800 9 Info@OCPw.00gov.00m <br />