San Gabriel River Inlet Replacement Structure and Replacement Flow Control Structure at Water Treatment Plant.

Summary

SCH Number
2010018132
Lead Agency
Azusa, City of (City of Azusa)
Document Title
San Gabriel River Inlet Replacement Structure and Replacement Flow Control Structure at Water Treatment Plant.
Document Type
NOE - Notice of Exemption
Received

Document Description
The San Gabriel River Water Committee (Committee of 0 or C9) is a court-formed management agency created in 1889 to manage the surface water rights of its member agencies on the San Gabriel River. The C9 diverts water from the river through the Azusa-Duarte Tunnel for conveyance to surface water treatment plants, irrigation fields, and spreading grounds. The C9 proposes to reconstruct the existing inlet structure of the Azusa-Duarte Tunnel at the San Gabriel River and the flow control structure in a ditch at the Azusa Water Treatment Plant site to upgrade these aged facilities and improve system operations and safety.

Contact Information
Chet F. Anderson
City of Azusa
213 E. Foothill Boulevard
Azusa, CA 91702

626-812-509

Location

Cities
Azusa
Counties
Los Angeles

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 2 Sec. 15302 (d)
Reasons for Exemption
- The project involves a replacement and reconstruction of the aged inlet structure at the San Gabriel River and the aged flow control structure at a ditch at the Azusa Water Treatment Plant site. - The project would replace wooden weir boards with mechanical weirs to allow for the motorized control of flows, instead of the current manual operations. -The replacement structures will be constructed within the same location and footprint as the existing structures. -No increase in capacity will occur at the inlet, tunnel, ditch or flow control structures, and water flows will continue to be regulated by the surface water rights of the C9. -The project would facilitate access and work by, as well as improve the safety of, operations and maintenance personnel. nel.
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