3.7 MG Zone 1 Reservoir Project

3 Documents in Project


SCH Number
Lead Agency
Irvine Ranch Water District
Document Title
3.7 MG Zone 1 Reservoir Project
Document Type
MND - Mitigated Negative Declaration
Present Land Use
reservoir/6.1 institutional/medium high density res

Document Description
IRWD proposes the construction of a 3.7-million gallon reservoir adjacent to IRWD's existing 15-MG Zone 1 reservoir to serve existing IRWD customers in the Irvine service area. The primary purpose of the project is to construct an additional permanent reservoir to allow for storage reliability and operational flexibility in the zone 1 domestic water system. The project would include construction of an aboveground 3.7-MG pre-stressed circular concrete tank. Proposed reservoir construction and operation would also require installation of tank inlet and outlet piping, overflow piping, drain pipe, valve vault to house the inlet and outlet piping. 1 butterfly valves, and roof hatches to allow for tank access. As part of the project, the reservoir management system will be upgraded to accommodate the new reservoir tank.

Contact Information
Jo Ann Corey
Irvine Ranch Water District
Lead/Public Agency
15600 Sand Canyon Avenue
Irvine, CA 92718

Phone : (949) 453-5326


33°41'20.6"N 117°44'45.3"W
Cross Streets
Sand Canyon Ave and Elysian
Total Acres
State Highways
I-5, SR 133
Cypress Village ES

Notice of Completion

Review Period Start
Review Period End
Development Type
Water Facilities (Type reservoir, MGD 3.7)
Local Action
Project Issues
Aesthetics Agriculture and Forestry Resources Air Quality Biological Resources Cultural Resources Cumulative Effects Drainage/Absorption Economics/Jobs Flood Plain/Flooding Geology/Soils Growth Inducement Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Mineral Resources Noise Population/Housing Public Services Recreation Schools/Universities Septic System Sewer Capacity Solid Waste Transportation Vegetation Wetland/Riparian Wildfire
Reviewing Agencies
California Air Resources Board (ARB) California Department of Fish and Wildlife, South Coast Region 5 (CDFW) California Department of Parks and Recreation California Department of Transportation, District 12 (DOT) California Highway Patrol California Native American Heritage Commission (NAHC) California Regional Water Quality Control Board, Santa Ana Region 8 (RWQCB) Department of Water Resources Office of Emergency Services, California Resources Agency State Water Resources Control Board, Division of Drinking Water, District 8 State Water Resources Control Board, Division of Water Rights State Water Resources Control Board, Division of Drinking Water

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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