Delta Field Division (DFD) will perform maintenance at Patterson Reservoir. DFD staff will pump sediment laden water from Patterson Reservoir into the engineered, asphalt lined retention pond to allow for inspection of the Patterson Reservoir liner. The sediment will be allowed to dry in the basin before removal. Once dry, DFD staff will load the sediment using a water truck for dust control, then transported offsite to the nearest waste disposal site. Total area of the sediment basin is approximately 0.67 acre. Equipment staging will be on the paved roadway surface. All work is within DWR right of way.
Patterson Reservoir, South Bay Aqueduct Mile Marker 9.36.
Notice of Exemption
Type, Section or Code
Class 1-S: 15301(b)
Reasons for Exemption
The State Water Project provides significant and important services to many Californians. This project is exempt because it involves routine maintenance activities. This project will not result in impacts to special status species or habitat. Because this activity can be implemented without any significant environmental impacts, the Categorical Exemption Class 1 will be used for CEQA compliance.
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