Potholing Activities Along the San Jacinto Pipeline
Summary
SCH Number
2008118177
Public Agency
Metropolitan Water District of Southern California
Document Title
Potholing Activities Along the San Jacinto Pipeline
Document Type
NOE - Notice of Exemption
Received
Posted
11/19/2008
Document Description
The Metropolitan Water District of Southern California (Metropolitan) proposes to conduct potholing activities in three locations (Stations 110+00, 120+00, and 130+00) along the San Jacinto Pipeline. The potholing activities are necessary to conduct soil sampling for corrosion analysis and to measure the pipeline corrosion potential on the surface of the pipeline. Soil will be excavated to the top of the pipeline (approximately seven feet) using a vacuum truck and sampling will be performed using hand-held instruments. Excavation pits will be approximately two feet in width by two feet in length. Once sampling is complete, the excavations will be backfilled using the same soil originally removed from the excavated area.
Contact Information
Name
Ms. Jennifer Harriger
Agency Name
Metropolitan Water District of Southern California
Contact Types
Lead/Public Agency
Phone
Location
Cities
San Jacinto
Counties
Riverside
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
Class 1,4,6, Sec 15301,15304,153
Reasons for Exemption
06
The proposed project consists of the 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. The project also consists of minor alterations in the condition of land, water, and/or vegetation which do not involve removal of healthy, mature, scenic trees. The project is also consists of basic data collection, research, experimental management, and resource evaluation activities which do not result in a serious or major disturbance to an environmental resource. These may be strictly for information gather purposes, or as part of a study leading to an action which a public agency has not yet approved, adopted, or funded.
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