St. Francis Dam disaster
E1038932
The St. Francis Dam disaster was a catastrophic 1928 dam failure in California that unleashed a deadly flood, killing hundreds and prompting major reforms in American dam engineering and water management.
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
dam failure
ⓘ
flood disaster ⓘ historical event ⓘ industrial disaster ⓘ |
| affectedArea |
San Francisquito Canyon
NERFINISHED
ⓘ
Santa Clara River Valley NERFINISHED ⓘ Santa Clarita Valley NERFINISHED ⓘ Ventura County, California NERFINISHED ⓘ |
| alsoKnownAs | St. Francis Dam failure NERFINISHED ⓘ |
| category |
1928 disasters in the United States
ⓘ
dam failures in the United States ⓘ engineering disasters ⓘ floods in California ⓘ |
| cause |
design flaws
ⓘ
geological instability of dam foundation ⓘ inadequate engineering oversight ⓘ structural failure of St. Francis Dam ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| damage | widespread destruction along Santa Clara River Valley ⓘ |
| date |
1928-03-12
ⓘ
1928-03-13 ⓘ |
| deadliestFloodIn | history of California ⓘ |
| designedBy | William Mulholland NERFINISHED ⓘ |
| distanceFloodTraveled | about 54 miles GENERATED ⓘ |
| fatalities |
approximately 431
ⓘ
over 400 ⓘ |
| floodWaveReached | Pacific Ocean NERFINISHED ⓘ |
| flowVolumeReleased | approximately 12.4 billion gallons of water ⓘ |
| historicalSignificance | turning point in U.S. dam safety policy ⓘ |
| immediateConsequence | resignation of William Mulholland from public service ⓘ |
| ledTo |
greater attention to geologic site investigations for dams
ⓘ
increased professionalization of civil engineering oversight ⓘ |
| location |
Los Angeles County, California
NERFINISHED
ⓘ
San Francisquito Canyon NERFINISHED ⓘ |
| mainSubject | St. Francis Dam NERFINISHED ⓘ |
| memorial | St. Francis Dam Disaster National Memorial NERFINISHED ⓘ |
| oneOfDeadliest | 20th-century U.S. civil engineering failures ⓘ |
| operatorOfFailedDam | Los Angeles Department of Water and Power NERFINISHED ⓘ |
| partOf | history of Los Angeles water supply system ⓘ |
| precededBy | construction of St. Francis Dam (1924–1926) ⓘ |
| prompted |
changes in American dam engineering standards
ⓘ
creation of more rigorous state dam safety programs ⓘ reforms in dam safety regulation in California ⓘ |
| recognizedBy | United States Congress NERFINISHED ⓘ |
| relatedTo | Los Angeles Aqueduct NERFINISHED ⓘ |
| river | Santa Clara River NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| timeOfDamFailure | 1928-03-12T23:57 ⓘ |
| timeToEmptyReservoir | about 70 minutes ⓘ |
| year | 1928 ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.