Long-Term Routine Maintenance Activities for Waterways in Inyo and Mono Counties

4 Documents in Project


SCH Number
Lead Agency
City of Los Angeles
Document Title
Long-Term Routine Maintenance Activities for Waterways in Inyo and Mono Counties
Document Type
MND - Mitigated Negative Declaration
Present Land Use
routine maintenance activities are conducted on lands owned by LADWP that are undeveloped or used for ag purposes. ag uses includes irrigated land for crops and livestock grazing.

Document Description
Note: Review Per Lead The city of LADWP proposes to continue ongoing routine maintenance activities on man-made and natural waterways and associated facilities located in Inyo and Mono Counties in order to maintain such waterways and facilities essential to the continued delivery of water for irrigation and domestic use in Inyo and Mono Counties and the city of LA. The waterway network maintained by LADWP includes 1,300 mi of unpaved roads, 450 mi of natural waterways, 84 mi of aqueducts, and 111 miles of man-made ditches and canals with several hundred water diversion. LADWP's ongoing activities include water gathering, water distribution, hydroelectric power production, and continuation of other land uses. For water gathering and distribution, LADWP performs routine maintenance and operations of facilities in Mono and Inyo Counties including about 187 flumes and measuring stations, 190 water intake and diversion structures, more than 60 sand traps or sediment basins, and 30 spillgates.

Contact Information
Charles Holloway
City of Los Angeles
Lead/Public Agency
111 North Hope St
Los Angeles, CA 90012

Phone : (213) 367-0285


Inyo Mono
State Highways
Other Location Info
Lee Vining, Bishop, Big Pine, Independence, Lone Pine

Notice of Completion

Review Period Start
Review Period End
Development Type
Other (waterway maintenance)
Project Issues
Aesthetics Agriculture and Forestry Resources Air Quality Biological Resources Cultural Resources Cumulative Effects Drainage/Absorption Flood Plain/Flooding Geology/Soils Hazards & Hazardous Materials Hydrology/Water Quality Land Use/Planning Mineral Resources Noise Population/Housing Public Services Recreation Solid Waste Transportation Tribal Cultural Resources Vegetation Wetland/Riparian Wildfire Other
Reviewing Agencies
Cal Fire California Air Resources Board (ARB) California Department of Parks and Recreation California Highway Patrol California Native American Heritage Commission (NAHC) California Public Utilities Commission (CPUC) California State Lands Commission (SLC) Office of Emergency Services, California Office of Historic Preservation Resources Agency State Water Resources Control Board, Division of Drinking Water State Water Resources Control Board, Division of Drinking Water, District 13 California Department of Transportation, District 7 (DOT) California Department of Fish and Wildlife, South Coast Region 5 (CDFW) California Regional Water Quality Control Board, Lahontan Victorville Region 6 (RWQCB)

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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