Arroyo Lago Residential Project


SCH Number
Lead Agency
Alameda County
Document Title
Arroyo Lago Residential Project
Document Type
NOP - Notice of Preparation of a Draft EIR
Present Land Use
Land Use Designation: Medium Density Residential (MDR); Zoning: Agricultural (A)
Document Description
The proposed project includes construction of 194 single-family homes, with approximately 25 percent (49 homes) being designed with deed-restricted Accessory Dwelling Units (ADUs). The dwelling units would be approximately 26 to 30 feet in height. The approximately 26.6-acre site would be developed with an approximate density of 7.3 dwelling units per gross acre. The proposed project is expected to include approximately 694 residents. The proposed project would construct seven internal streets (Streets A-F and Loop A) to provide internal circulation within the site. The proposed project would also include several off-site improvements including the development of a water storage and booster pump facility with a 400,000 gallon capacity, a recycled water storage facility with a 900,000 gallon capacity, a sewer treatment plant that would treat approximately 37,400 gallons of wastewater per day, and approximately 9 acres of agricultural irrigation fields.

Contact Information

Aubrey Rose
Agency Name
Alameda County
Job Title
Planner III
Contact Types
Lead/Public Agency


Unincorporated County
Countywide, Unincorporated
Cross Streets
Busch Road to the south, Cope Lake to the east, Lake I to the north, City of Pleasanton boundary
Total Acres
Parcel #
946-4634-1, 946-4634-2, 946-1350-3-10
State Highways
Union Pacific Rail Line
Livermore Municipal Airport
Pleasanton Unified School District
Lake I, Lake H, Cope Lake

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Transportation, District 4 (DOT), California Department of Transportation, Division of Aeronautics (DOT), California Department of Transportation, Division of Transportation Planning (DOT), California Department of Water Resources (DWR), California Highway Patrol (CHP), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), California State Lands Commission (SLC), Department of Toxic Substances Control, Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Drinking Water, District 4, State Water Resources Control Board, Division of Water Quality, State Water Resources Control Board, Division of Water Rights, State Water Resources Control Board, Divison of Financial Assistance, California Native American Heritage Commission (NAHC), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
State Reviewing Agency Comments
California Native American Heritage Commission (NAHC), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
Development Types
Residential (includes 49 ADUs within the lots of the proposed units )(Units 194, Acres 26.6), Water Facilities (Water Storage and Booster Pump Facility & Recycled Water Storage)(Type total capacity, MGD 1.3), Other (Agricultural Spray Fields - 9 acres), Waste Treatment:Sewer (Sewer Treatment Plan )(MGD 0.037)
Local Actions
Site Plan
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Economics/Jobs, Energy, Flood Plain/Flooding, Geology/Soils, Greenhouse Gas Emissions, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Sewer Capacity, Solid Waste, Transportation, Tribal Cultural Resources, Utilities/Service Systems, Vegetation, Wetland/Riparian, Wildfire
Local Review Period Start
Local Review Period End


Draft Environmental Document [Draft IS, NOI_NOA_Public notices, OPR Summary Form, Appx,]
Notice of Completion [NOC] Transmittal form
State Comment Letters [Comments from state reviewing agencies]

Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

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