Item 27 - Water Supply Assessment for Cabrillo Town Center Project

Home Browse Search

Cabrillo Town Center WATER SUPPLY ASSESSMENT FEBRUARY 13, 2023 11 Section 2.1.2 Proposed Water Use The Project consist of a total of 507 residential units comprised of 23 studio apartments, 264 one-bedroom apartments, 148 two-bedroom apartments, 14 two-bedroom live/work units, 26 two-bedroom townhomes, 20 three-bedroom townhomes, and 12 four-bedroom townhomes. Amenities include fitness areas, courtyards, clubroom, and other lounging areas. Additionally, the project consists of approximately 23,300 SF of commercial space. Approximately 108,676 of open space is proposed as common areas and private open spaces. See Figure 3 for the proposed site plan for the project. The total project residential water demands include estimates of both indoor and outdoor water demands. Indoor water demands include toilet-flushing, showers, baths, dishwashers, washing machines, faucets, and leakage. Outdoor water demands include landscape irrigation estimates. The estimates for residential water demands were developed by following the City of Santa Ana Design Guidelines for Water and Sewer Facilities (November 2020). Table 3 Proposed Water Demands Land Use Type Project DU or acreage Unit Water Demand1 Daily Water Usage (gpd) Annual Water Usage (AFY) Residential- Multifamily 507 190 gpd/DU1 96,330 108.0 Commercial 0.53 2,500 gpd/acre2 1,337 1.5 Open Space 2.94 3,000 gpd/acre2 8,820 9.9 Total Project Water Demand 507 Residential Units 106,487 119.4 Notes 1 Municipal Water District of Orange County – Orange County Water Reliability Study (December 2016) 2 City of Santa Ana Design Guidelines for Water and Sewer Facilities (November 2020) The proposed Project would have an annual water demand of approximately 119 AFY. That would be an approximately 110 AFY increase in water demand compared to the existing water demands at the project site. The following sections evaluates the ability for the City to meet the proposed increase in water demands.