Castaic Underdrain Cleaning
Summary
- SCH Number
- 2020100237
- Lead Agency
- Water Resources, Department of (California Department of Water Resources)
- Document Title
- Castaic Underdrain Cleaning
- Document Type
- NOE - Notice of Exemption
- Received
- Posted
- 10/13/2020
- Project Applicant
- Division of Operations and Maintenance
- Document Description
- A contractor will clean and inspect the underdrain pipes in the Castaic Dam spillway. An onsite hydrant will be used as a water source. The waste (water and solids) produced from the cleaning process will be pumped out of the underdrain gallery into temporary onsite storage tanks before being pumped into a vac truck. The vac truck will filter out solids as small as 100 microns from the captured water. The remaining cleaned water will be discharged into a temporary settlement pond located at the downstream end of the spillway. The settlement pond will be an added precaution for the final discharge water that will percolate and evaporate from this settlement pond. The staging area will be the access area to the underdrains at the bottom of the spillway. All work is within DWR right of way.
- Contact Information
-
Todd Percival
Department of Water Resources
1416 Ninth Street
Sacramento, CA 95814
Phone : (916) 653-2908
todd.percival@water.ca.gov
Location
- Coordinates
- 34°31'17.98"N 118°36'55.57"W
- Cities
- Santa Clarita
- Counties
- Los Angeles
- Regions
- Southern California
- Cross Streets
- Lake Hughes Road and Ridge Rte. Road
Notice of Exemption
- Exempt Status
- Categorical Exemption
- Type, Section or Code
- Class 1, Existing Facilities, Section No. 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 for a safe water supply. 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.
Attachments
- Notice of Exemption
- NOE Castaic Underdrain Cleaning PDF 421 K
Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, 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. For more information, please visit OPR’s Accessibility Site.