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NorthLake Specific Plan
Draft Supplemental EIR

above mean sea level (msl) along the ridge lines to approximately 1,250 feet above msl in
Grasshopper Canyon in the southern portion of the site.

A mix of sage scrub and grassland vegetation types dominate the Project site. Cattle grazing
generally occurs east of Grasshopper Canyon and, as a result, this part of the Project site is
dominated by non-native grassland. Additionally, much of the southern portion of the Project site
burned in 2013. Violin Canyon in the south end of the Project site holds nuisance water from
irrigation run-off most of the year, but only contains flowing water for brief periods during storm
events.

1.3 PROJECT DESCRIPTION

The proposed Project is detailed in Section 4.0, Project Description, of this Draft SEIR. The Project
site comprises approximately 1,330 acres of undeveloped land in unincorporated Los Angeles
County. The proposed Project involves implementation of the previously approved Specific Plan;
specifically, the proposed Project would involve development of up to 3,150 residential units,
9.2 acres of commercial uses, 13.9 acres of industrial uses, 791.6 acres of parks and open space,
a 23-acre school site in the Phase 2 area, and a 1.4-acre pad for a future fire station.

As part of the project, External Map Improvements, including connection to existing utilities and
relocation of existing utility lines, drainage facilities, and other infrastructure would occur outside
of area specified as the proposed Project site.

To implement the project, the project Applicant has requested approval of: (1) VTTM
No. TR073336 to subdivide 737 acres into a total of 407 lots; and (2) Conditional Use Permit
No. 201500019 to authorize: (a) Northlake Specific Plan site plan review: (b) grading exceeding
100,000 cubic yards; and (c) construction of water tanks and water supply infrastructure.

Collectively, the Project is defined as the entire 1,330-acre Specific Plan site including the
737-acre VTTM No. TR073336 area and associated External Map Improvements (Phase 1), and
the remaining property for Phase 2 to be developed at a future time.

The proposed Project has been designed to remediate potential geologic and flood hazards, and
the residential and non-residential uses are separated from each other in order to protect the
residential nature of each neighborhood. The proposed development provides for the
establishment of an interconnecting internal roadway system. The Project will involve the
establishment of the necessary trunk lines and connections to provide water, sewer, gas, electric,
cable, and telephone service to the proposed development. Consistent with prior approval, project
implementation would involve site grading that would fill in a portion of Grasshopper Creek
Canyon to enable development in this area.

Project grading would require the relocation of some existing on-site easements, pipelines, and
utilities to accommodate the proposed cut depths and site plan configuration. Extension of all
utilities and some services to the project site will also be necessary to accommodate project
implementation. To facilitate the provision of utilities and services, annexation to the Santa Clarita
Valley Sanitation District, the Consolidated Sewer Maintenance District, and Newhall County
Water District will be required. Other incidental approvals have been issued (i.e., 404 Permit, 1602
Streambed Alteration Agreement, and 401 Certification) to authorize development that will affect
resources under regulatory agency control; however, these approvals have expired and would
need to be reissued based on updated analysis.

R:\Projects\OC\WCP_Woodrid\J0001\Draft EIR\1.0 Exec Summary-042617.docx 1-2 Executive Summary