Highway 86 Phases 3 and 4 Preliminary Engineering Report Project (geotechnical borings)

2 Documents in Project


SCH Number
Public Agency
Coachella Valley Water District (CVWD)
Document Title
Highway 86 Phases 3 and 4 Preliminary Engineering Report Project (geotechnical borings)
Document Type
NOE - Notice of Exemption
Document Description
CVWD operates and maintains its domestic water system to provide water supply to the residents and businesses of the Coachella Valley. CVWD is proposing to Phases 3 and 4 of the Highway 86 Transmission Main Project within its Cover Community System which would replace approximately 13 miles of the transmission main slightly north of the Riverside/Imperial County line south to Salton City. The pipeline that would be replaced in Phases 3 and 4 is aging, leaks, and is in need of replacement. Most of the pipeline was installed in the 1960's with a newer section of pipeline installed in 1989. CVWD plans to complete the Highway 86 Phases 3 and 4 Preliminary Engineering Report (PER) Project (a planning effort) in order to perform the preliminary planning needed to progress the phases into design and ultimately to construction. As part of the planning effort, CVWD proposes to conduct three geotechnical borings at IO to 20 foot depths along the existing Highway 86 Phases 3 and 4 alignment to collect soil samples, perform necessary laboratory testing, and evaluate the general nature of the anticipated site soils. The borings are for information collection only and will not result in any permanent impacts at the boring site such as traffic impacts, increased fuel consumption, changes in noise or vibration levels, increased emissions of dust, or changes in demand for municipal services.

Contact Information

Elizabeth Meyerhoff
Agency Name
Coachella Valley Water District
Contact Types
Lead/Public Agency


Unincorporated communities of Riverside and Imperial counties
Imperial, Riverside
Other Information
Three geotechnical borings are proposed along existing Highway 86 in Riverside and Imperial Counties associated with Coachella Valley Water District's (CVWD) existing Highway 86 Transmission Main - Phases 3 and 4 pipeline replacement project, which begins in Riverside County at the intersection of Lincoln Street and Highway 86 and extends south into Imperial County where it ends at the eastern end of Diamond Avenue. The proposed-borings are located approximately at the intersections of Highway 86 and 84th Avenue, 86th Avenue, and Coombs, respectively.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
State CEQA Guidelines Section 15306 Class 6 categorically exempts information collection projects that consist 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. Exempt studies may be strictly for information gathering purposes, or as part of a study leading to an action which a public agency has not yet approved, adopted, or funded. The project would consist of geotechnical borings for information gathering purposes only related to groundwater levels and soil characteristics such as corrosivity, and would not result in a serious or major disturbance to an environmental resource; therefore, the project qualifies as exempt under this CEQA Guidelines Section 15306.
County Clerks
Imperial, Riverside


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