Salt and Nutrient Management Plan Monitoring Well Project – Phase 1


SCH Number
Public Agency
Coachella Valley Water District (CVWD)
Document Title
Salt and Nutrient Management Plan Monitoring Well Project – Phase 1
Document Type
NOE - Notice of Exemption
Document Description
The Coachella Valley Water District (CVWD) proposes to construct six perched aquifer groundwater monitoring wells within the Coachella Valley’s Indio Sub-basin at various previously developed well site locations. The proposed monitoring wells will be used to monitor groundwater in the perched and shallow aquifers to address gaps and provide improved overall understanding of water quality. The locations of the proposed monitoring well sites are: 1. Gap Well 17 – APN 696-180-067 (City of Indio well site; Ave. 44, Indio) 2. Gap Well 18 – APN 757-250-021 (CVWD Well Site 6807, Ave. 60, Coachella) 3. Gap Well 19 – APN 759-020-029 (CVWD Well Site 6805, Airport Ave., La Quinta) 4. Gap Well 20 – APN 737-200-023 (CVWD parcel at Ave. 83 Drain, Oasis) 5. Gap Well 21 – APN 751-340-018 (CVWD parcel at Ave. 74 and Polk St., Oasis) 6. Gap Well 22 – APN 729-120-020 (CVWD Booster/Reservoir Site 7990, Mecca) Construction is anticipated for the duration of one week at each site, and will be contained within each site. The wells will be installed using hollow-stem auger, sonic drilling, direct circulation, or mud rotary methods. Initially, the drilling process will require setting a conductor casing and drilling a 4-inch bore hole to a varying depth of 50- to 350-feet for each well. Samples of the drill cuttings will be obtained and logged at 10-foot intervals. Upon completion of drilling, geophysical logging of the test bores will be performed. The wells will be designed based on the information obtained from each borehole. Monitoring will occur at each site as needed and conducted by CVWD staff. The project site is not located within or adjacent to a conservation area associated with the Coachella Valley Multiple Species Habitat Conservation Plan. The project is not subject to the Coachella Valley Association of Governments Local Development Mitigation Fee because the project location is on existing developed parcels

Contact Information

William Patterson
Agency Name
Coachella Valley Water District
Contact Types
Lead/Public Agency


Coachella, Indio, La Quinta, Oasis, Mecca
Other Location Info
The project sites are located on developed, CVWD-owned parcels, and existing wells sites, in eastern Coachella Valley, Riverside County, CA.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
15301, 15303, 15306
Reasons for Exemption
State CEQA Guidelines §15301 (Existing Facilities). This class 1 exemption allows for 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 consists on minor alteration on an existing domestic well site, and does not involve a significant expansion of use. State CEQA Guidelines § 15303 (New Construction and Conversion of Small Structures) consists of construction and location oflimited numbers of new, small facilities or structures; installation of small new equipment and facilities in small structures; and the conversion of existing small structures from one use to another where only minor modifications are made in the exterior of the structure. State CEQA Guidelines § 15306 (Information Collection). This class 6 exemption 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.
County Clerk


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