San Pablo Clearwell
Key Takeaway
San Pablo Clearwell is classified as low hazard in California. It was completed in 1922 and is 104 years old. Its primary use is water supply.
Physical Details
| Dam Height | 42 ft (taller than 50.1% in CA) |
| Dam Length | 627 ft |
| Dam Type | Earth |
| Max Storage | 17 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Year Completed | 1922 (104 years old) |
| NID ID | CA00185 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
East Bay Municipal Utility District
Public Utility
Nearby Dams
C.L. Tilden Park
Contra Costa, CA
High Hazard 88 ftSan Pablo
Contra Costa, CA
High Hazard 170 ftSobrante Clearwell
Contra Costa, CA
High Hazard 28 ftBriones
Contra Costa, CA
High Hazard 273 ftLake Temescal
Alameda, CA
High Hazard 116 ftArgyle No. 2
Contra Costa, CA
High Hazard 27 ftNorth
Contra Costa, CA
High Hazard 82 ftMaloney
Contra Costa, CA
High Hazard 107 ftFrequently Asked Questions
What is the hazard classification of San Pablo Clearwell?
San Pablo Clearwell is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates San Pablo Clearwell?
San Pablo Clearwell is owned by East Bay Municipal Utility District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was San Pablo Clearwell built?
San Pablo Clearwell was completed in 1922, making it 104 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of San Pablo Clearwell?
San Pablo Clearwell serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is San Pablo Clearwell?
San Pablo Clearwell has a dam height of 42 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was San Pablo Clearwell last inspected?
San Pablo Clearwell was last inspected on March 16, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.