Water Resources, Department of
(California Department of Water Resources)
Pyramid Dam Spillways Investigations
NOE - Notice of Exemption
Department of Water Resource.
DWR will oversee the following activities on the existing Pyramid Lake Dam Spillways: concrete slab investigation, permeability testing of the foundation rock and underdrains, and drain maintenance. This project is being implemented to determine the emergency and lined spillway's foundation erodibility and address potentail failure mode scenarios. All work will be done within disturbed areas. All work is within DWR right of way.
The State Water Project provides significant and important services to many Californians. This project is exempt because it involves data collection
without major distrubance to an evnironmental resource. 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 6 will be used for CEQA compliance.