Item 21 - Water Supply Assessment for the Warner - Red Hill Mixed Use Development Project

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T HE W ARNER P ROJECT W ATER S UPPLY A SSESSMENT A UGUST 21, 2020 F USCOE E NGINEERING , I NC. 6 2. I NTRODUCTION 2.1 PROJECT DESCRIPTION The Warner Project is a 14.7-acre residential and retail project located in the City of Santa Ana. The Project is located at the intersection of Redhill Ave and Warner Ave. See Figure 1 for a vicinity map of the proposed Project. The proposed Project will replace existing office, warehousing and industrial land uses, parking lots and landscaped areas. There is also an existing temporary homeless shelter. The Project would redevelop the site for mixed uses commercial (retail/restaurant) and multi- family. This include a proposed General Plan Land Use designation change to District Center (DC) and a zone change to Specific Development (SD). The Project includes the development of four buildings on one lot. Buildings A-D consist of 5- story structures each with parking structures. A total of 1,150 dwelling units (DUs) are proposed which consist of a mix of studios, one-bedrooms and two-bedroom units. In addition to residential uses, approximately 80,000 square feet (sf) of retail is also proposed as part of the Project. Amenities of the Project include pools, club/fitness areas, roof decks, courtyards, and open space. Approximately 247,506 sf of private and publicly accessible open space is provided through common areas and courtyards. See Table 1 below for additional specifications related to the proposed Project. Table 1 Project Proposed Land Uses Land Use Unit Count Notes Residential Dwelling Units 1,150 DU Mix of studios, one-bedroom and two-bedroom residential units Restaurant/Retail 80,000 sf Restaurant and retail space to be provided at podium level Landscaping 247,506 sf Landscaped scattered throughout common and private areas Notes: DU dwelling unit sf square feet As mentioned, the purpose of this WSA is to provide information to confirm that the City of Santa Ana has sufficient water supply to provide for the proposed Project in addition to other service area demands now and into the future. This WSA compares the existing water demand of the Project site to the proposed water demand of the Project and to the City of Santa Ana regional water supplies and demands through 2040.