The Project is limited to stream impacts associated with the one-time dewatering event and shutdown of the Box Spring Feeder Pipeline to perform inspections of the pipeline under Metropolitan's pre-stressed concree cylinder pipe (PCCP) rehabilitation program. Project activities in the stream areas include the placement of erosion control measures, and dewatering from 4 discharge locations. This will occur within
unnamed tributaries to Sycamore Canyon Creek and Sycamore Canyon Creek. Dewatering methods include diverting through a filtration system or dewatering hoses and discharging to the stream areas.
The project is located at Sycamore Canyon Wilderness Park, adjacent to Sycamore Canyon Creek.
Notice of Exemption
Type, Section or Code
15301, Class 1
Reasons for Exemption
Operation, repair, maintenance, permitting, leasing, licensing, or minor alteration of existing public or private structures, facilities, mechanical equipment, or topographical features, involving negligible or no expansion of use beyond that existing at the time of the lead agency's determination.