Crown Hill Pump - Tank System

2 Documents in Project


SCH Number
Lead Agency
Ventura County Waterworks District 8
Document Title
Crown Hill Pump - Tank System
Document Type
NEG - Negative Declaration
Present Land Use
Vacant / RE-10,000 sf / Existing Community
Document Description
The Ventura County Waterworks District No. 8 (District) is proposing the Crown Hill Pump-Tank System Project to provide a higher elevation tank and increase water storage serving the Santa Susana Knolls neighborhood (Knolls). The proposed facilities are: Crown Hill Pump Station - Two pump units, each rated at 300 gpm, 110 feet lift, and 10 horsepower; Crown Hill Tank - One welded-steel tank with a diameter of 72 feet, a height of approximately 36 feet, a storage capacity of 1 million gallons, a high-water elevation (HWE) of 1490 feet, and a pad elevation of 1458 feet; Water Line - 1,100 feet of 8-inch water line; Pressure Reducing Station - An interconnection between the proposed Crown Hill Tank (HWE 1490 feet) and the existing Alta Vista Tanks (HWE 1404 feet) allowing hydraulic interoperability.

Contact Information

Ernest Wong
Agency Name
Ventura County Waterworks District #8
Contact Types
Lead/Public Agency


Simi Valley
Cross Streets
Crown Hill Drive, Lyon Place
Total Acres
Parcel #
646-0-161-060; 646-0-161-070
State Highways
Hwy 118
Arroyo Simi
Other Location Info
Santa Susana Knolls

Notice of Completion

Review Period Start
Review Period End
Development Types
Other (1 water tank with associated equipment)
Local Actions
Project Issues
Aesthetics, Air Quality, Biological Resources, Cultural Resources, Cumulative Effects, Drainage/Absorption, Flood Plain/Flooding, Geology/Soils, Growth Inducement, Hazards & Hazardous Materials, Hydrology/Water Quality, Land Use/Planning, Mineral Resources, Noise, Population/Housing, Public Services, Recreation, Schools/Universities, Septic System, Sewer Capacity, Solid Waste, Transportation, Vegetation, Wetland/Riparian, Wildfire
Reviewing Agencies
Cal Fire, California Air Resources Board (ARB), California Department of Fish and Wildlife, South Coast Region 5 (CDFW), California Department of Parks and Recreation, California Department of Transportation, District 7 (DOT), California Native American Heritage Commission (NAHC), California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, Los Angeles Region 4 (RWQCB), California Santa Monica Mountains Conservancy (SMMC), Department of Water Resources, Resources Agency, State Water Resources Control Board, Division of Drinking Water

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613.

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