Casa Loma Siphon No. 1 and San Jacinto Pipeline Protection Project
Summary
SCH Number
2025121062
Lead Agency
Metropolitan Water District of Southern California
Document Title
Casa Loma Siphon No. 1 and San Jacinto Pipeline Protection Project
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Open Space-Recreation, Open Space-Water (OS-R/OS-W); Zoning: Controlled Development Area (W-2-10)
Document Description
The proposed Project includes the encasement of approximately 320 feet of the CRA Casa Loma Siphon No. 1 Pipeline and approximately 295 feet of the San Jacinto Pipeline to protect the pipelines from flotation and exposure. The encasement would consist of concrete poured around the existing pipelines, and both encasements would be reinforced with steel rebar placed both horizontally and vertically to ensure structural integrity. The Project would not result in the addition of new aboveground components or appurtenances. The Project would not result in changes to Metropolitan’s existing operation and maintenance conditions at the Project site.
Contact Information
Name
Alfredo Aguirre
Agency Name
Metropolitan Water District of Southern California
Job Title
Environmental Specialist
Contact Types
Lead/Public Agency
Phone
Email
Name
Nicholas Carter
Agency Name
Rincon Consultants
Job Title
Environmental Planner
Contact Types
Consulting Firm
Phone
Location
Coordinates
Cities
San Jacinto
Counties
Riverside
Regions
Southern California, Unincorporated
Cross Streets
Soboba Road and State Street
Zip
92583
Total Acres
6.7
Parcel #
430-220-003, 430-220-008, 430-220-010, 430-220-011
State Highways
79
Railways
None
Airports
None
Schools
Clayton A. Record, Jr. Elementary School
Waterways
San Jacinto River, Potrero Creek, San Jacinto Reservoir, Other unnamed drainages and ponds
Township
4S
Range
1W
Section
15
Base
San Bern
Other Location Info
De Anza Elementary School, Rose Salgado Elementary School, Monte Vista Middle School, Mountain View High School, San Jacinto High School, San Jacinto Valley Academy, San Jacinto Technology Institute, Mt. San Jacinto College, Betty G. Gibbel Regional Learning Center Community School
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, Inland Deserts Region 6 (CDFW), California Department of Parks and Recreation, California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 8 (DOT), California Department of Water Resources (DWR), California Fish and Game Commission (CDFGC), California Governor's Office of Emergency Services (OES), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Regional Water Quality Control Board, Santa Ana Region 8 (RWQCB), California State Lands Commission (SLC), Colorado River Board, Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Water Quality
Development Types
Water Facilities (Protection of existing pipelines)(Type Pipeline, MGD 647)
Local Actions
Project approval
Project Issues
Aesthetics, Agriculture and Forestry Resources, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Energy, Flood Plain/Flooding, Geology/Soils, Greenhouse Gas Emissions, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mandatory Findings of Significance, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Septic System, Sewer Capacity, Solid Waste, Transportation, Tribal Cultural Resources, Utilities/Service Systems, Vegetation, Wetland/Riparian, Wildfire
Public Review Period Start
Public Review Period End
Attachments
Draft Environmental Document [Draft IS, NOI_NOA_Public notices, OPR Summary Form, Appx,]
Notice of Completion [NOC] Transmittal form
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