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26 <br />Table 4b: Retrofit Opportunity Table <br />Location description, including <br />directions from a major highway <br />Type and description of retrofit <br />opportunity <br />Current property owner <br />Is the property owner willing to <br />cooperate' <br />Land area available for retrofit (sq. ft) <br />Accessibility to retrofit site <br />Drainage area size (acres) <br />Land use in drainage area (percent of <br />each type of land use) <br />Average slope in drainage area (%) <br />Environmentally sensitive areas in <br />drainage area (steep slopes, wetlands, <br />riparian buffers, endangered/.threatened <br />species habitat) <br />Approximate annual nitrogen loading <br />from drainage area (Ibs/acre/year) * <br />Potential nitrogen reduction (Ibs/ac/yr) <br />Estimated cost of retrofit <br />Receiving water <br />DWQ classification of receiving water <br />Use support rating for receiving water <br />Other important information <br />* Suggested methadoloav: Use Figure 2 <br />b from Chanter 2 to compute nitrogen export from the <br />--~a----_ -- --- -.,, - <br />drainage area based on the amount of impervious surface, landscaped area and forested area <br />in the watershed. <br />• Description of Any Proposed Jurisdiction-Wide and Interlocal Approach <br />`There is no proposed jurisdiction-wide and interlocal approach for Orange County at this <br />time. <br />16 <br />