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California Aqueduct Milepost 230.6 to 231.4 Investigation, Design, and Repair

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State & Local

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The California Aqueduct Milepost 230.6 to 231.4 Investigation, Design, and Repair project is led by the California Department of Water Resources to address unstable soils and secure infrastructure within the State Water Project. Located in Kern County, California, approximately four miles south of Buttonwillow, the scope of work includes geotechnical investigations, embankment reinforcement and restoration, liner repair and raising, and the installation of monitoring well stations. The project is categorized under NAICS code 237990 and is managed through a collaboration between the Department of Water Resources and the California Department of Fish and Wildlife. Due to the project's location, it requires compliance with the California Endangered Species Act through Incidental Take Permit No. 2081-2024-013-04. The project will impact 14.79 acres of habitat for covered species, including the endangered giant kangaroo rat and Tipton kangaroo rat, as well as the threatened San Joaquin antelope squirrel and San Joaquin kit fox. These impacts consist of 0.13 acre of permanent impact and 14.66 acres of temporary impact. The project has been officially filed and approved in accordance with the California Environmental Quality Act.

General Info

DWR project for California Aqueduct infrastructure repair and habitat mitigation in Kern County.

Agency

California Water Resources, Department of

NAICS

237990 - Other Heavy and Civil Engineering ConstructionView NAICS

Place of Performance

CA

Set-Aside

NONE

Documents

(1)

Notice of Determination for California Aqueduct Milepost 230.6-231.4 Repair Project

PDFnotice-of-determination

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Organization & Contact Information

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AgencyCalifornia Water Resources, Department of
Contacts2 people available
OfficeN/A
Organization / Agency
California Water Resources, Department of
Office AddressN/A
Contacts
Sarah BahmSenior Environmental Scientist (Specialist)
Shelly AmrheinSection Manager Habitat Conservation Planning

Full Description

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DWR’s proposed project involves modifications to State Water Project infrastructure to investigate, design, and repair the California Aqueduct between Milepost 230.6 and 231.44 to address the unstable soils in the area and secure the surrounding infrastructure. The Project includes the following components: geotechnical investigations, embankment reinforcement and restoration, liner repair and raise, and monitoring well station installation. The project is expected to result in incidental take of giant kangaroo rat (Dipodomys ingens) and Tipton kangaroo rat (Dipodomys nitratoides nitratoides) which are designated as endangered under CESA, and San Joaquin antelope squirrel (Ammospermophilus nelsoni) and San Joaquin kit fox (Vulpes macrotis mutica), which are designated as threatened under CESA. Collectively, these are the Covered Species for this ITP. The Project will result in impacts to 14.79 acres of Covered Species habitat, including permanent impacts to 0.13 acre and temporary impacts to 14.66 acres. The ITP referenced above as issued by CDFW authorizes incidental take of species listed under CESA that may occur as a result of Project implementation.

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