Rancho De Suenos Major Grading Permit; ED20-135 (PMTG2020-00044)


SCH Number
Lead Agency
San Luis Obispo County
Document Title
Rancho De Suenos Major Grading Permit; ED20-135 (PMTG2020-00044)
Document Type
MND - Mitigated Negative Declaration
Present Land Use
Agriculture, Residential
Document Description
Request by Rancho De Suenos LLC for a Major Grading Permit (PMTG2020-00044) to construct a new, lined 9.57-acre/foot agricultural reservoir to impound water for irrigation to serve an existing vineyard. The reservoir will be approximately 300 feet long by 125 feet wide by 14 feet deep. It will be lined with a textured HDPE geomembrane and have an overflow PVC pipe outlet structure. The reservoir will be supplied with groundwater from an existing well and pump on on the adjacent property to the east of the subject property (APN 027-011-034). This property is under the same ownership as the applicant. The project would result in the disturbance of 1.75 acres of a 310-acre site including 10,274-cubic-yards of cut and 10,220-cubic-yardsof fill material. The project is within the Agriculture land use category and is located at 1 Allende Road, approximately 1 mile north west of the community of San Miguel. The site is in the Salinas River Sub Area of the North County Planning Area. The proposed reservoir will be filled using water from the existing well, and will be emptied of well supplied water from November 1st through March 31st, maintained at full condition for April 1st through May 31st for frost protection, and at a quarter full condition from June 1st through October 31st . The proposed reservoir will be used to permit greater flexibility in the irrigation practices that are associated with the vineyard operation and to provide a water supply in the event that frost protection is needed.

Contact Information

Ian Landreth
Agency Name
County of San Luis Obispo
Contact Types
Lead/Public Agency

Tavo Acosta
Agency Name
Contact Types
Project Applicant


San Miguel
San Luis Obispo
Cross Streets
San Miguel Ave
Total Acres
Parcel #
State Highways
Highway 101
Southern Pacific Railroad
Lillian Larsen Elementary School
Salinas River

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Conservation (DOC), California Department of Fish and Wildlife, Central Region 4 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Transportation, District 5 (DOT), California Department of Water Resources (DWR), California Governor's Office of Emergency Services (OES), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Central Coast Region 3 (RWQCB), California State Lands Commission (SLC), Department of Food and Agriculture (CDFA), Department of Toxic Substances Control, Office of Historic Preservation, 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
Development Types
Water Facilities (Agricultural Reservoir for Frost Protection - Initial filling )(Type Reservoir, MGD 1.1538)
Local Actions
Major Grading Permit Issuance
Project Issues
Biological Resources, Cultural Resources


Notice of Completion [NOC] Transmittal form

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