South State Water Project Water Quality Certification Amendment

Summary

SCH Number
2020010206
Lead Agency
State Water Resources Control Board
Document Title
South State Water Project Water Quality Certification Amendment
Document Type
NOE - Notice of Exemption
Received
Posted
1/15/2020
Project Applicant
Department of Water Resources

Document Description
On December 6, 2019, DWR requested authorization from the State Water Resources Control Board (State Water Board) for a temporary variance from Condition No. 1 of the South State Water Project's (Project; Federal Energy Commission [FERC] Project No. 2426) water quality certification (certification) to temporarily increase the amount of water delivery from Pyramid Lake to United Water Conservation District (United) at Piru Lake, middle Piru Creek. Condition 1 of the Project's certification requires stream releases from Pyramid Lake match natural inflow, and has a limitation of 3,150 acre-feet. DWR requested to deliver an additional 5,837.5 acre-feet to United, for a total of 8,987.5 acre-feet. A variance to Condition 1 of the certification will allow for a one-time delivery total of 8,987.5 acre-feet of water from Pyramid Lake to Piru Lake by the end of February 2020. The release will mimic the natural hydrograph, include a gradual ramp up and ramp down of flows, and a peak flow similar to that of a typical storm event. The proposed increase of the Project's water delivery is to help replenish critically depleted groundwater conditions within United's service boundary.

Contact Information
Andrea Sellers
State Water Resources Control Board
P.O. Box 2000
Sacramento, CA 95812

Phone : (916) 327-8449

Location

Counties
Los Angeles
Cross Streets
Pyramid Lake on Middle Piru Creek.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1, §15301 and Class 7, §15307
Reasons for Exemption
The Class 1 exemption applies because the Project is a water management operation using only existing facilities with no construction, expansion of use, or change in land use. Temporary increase of the Project's water delivery will not have a significant adverse effect on the environment. The Class 7 exemption applies because the proposed release is intended to improve the conditions of the Oxnard Plain and Pleasant Valley groundwater basins, which are experiencing severely depleted groundwater conditions.

Attachments

Notice of Exemption
2020010206_South State Water Project   PDF 972 K

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