Haiwee Creek Arizona Crossing (Lake or Streambed Alteration Agreement No. 1600-2019-0228- R6)


SCH Number
Public Agency
California Department of Fish and Wildlife, Inland Deserts Region 6 (CDFW)
Document Title
Haiwee Creek Arizona Crossing (Lake or Streambed Alteration Agreement No. 1600-2019-0228- R6)
Document Type
NOE - Notice of Exemption
Document Description
The amendment includes 1) using Articulated Concrete Blocks (ACB) instead of concrete and rip-rap to construct the Arizona low-water crossing and 2) the addition of a 91’ X 61’ ACB area to protect an existing penstock during large run-off events. The amendment will result in an additional 0.12 acres of permanent impacts, totaling 0.15 acres, to areas subject to Fish and Game Code 1602 resources.

Contact Information

Alyssa Marquez
Agency Name
Department of Fish and Wildlife
Contact Types
Lead/Public Agency

Agency Name
Los Angeles Department of Water and Power
Contact Types
Project Applicant


Inyo, Riverside
Southern California
Other Information
The Project is located on Haiwee Creek, a tributary to Rose Valley Playa, eight miles wouth of the unincorporated community of Olancha, Inyo County, California. The Project is located in Township 21 South, Range 37 East, Section 14 of the U.S. Geological Survey Coso Junction 7.5-minute Quadrangle Map: 413906 E 39996628 N UTM Zone 11.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1 15301 (b), Class IV 15304
Reasons for Exemption
Class 1, § 15301 (b) Existing facilities: the Project will include installation of ACB to protect and existing Penstock structure that serves to deliver water to a hydroelectric plant; Class 4, §15304, Minor Alterations to Land: the Project will result in minimal impacts to the condition of the land will not result in the removal of any woody vegetation.


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