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On
January 14, 2005, after days of heavy rain, water began seeping through an earthen extension. Authorities released water in order to relieve pressure and sent a flood warning to areas downriver of the dam. Over 3,000 residents were evacuated from their homes for nearly twenty-four hours for fear
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control and it is the downstream element of the Santa Ana River's flood control system, which is a natural constriction about 30.5 mi (49.1 km) upstream from the ocean. The area upstream from the dam contains 2,255 sq mi (5,840 km) of the
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2,650 sq mi (6,900 km). The dam's construction was authorized in 1936 and the flood of 1938 demonstrated its necessity. Construction was completed in 1941. Prado Flood
Control Basin also provides water storage for
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As of 2005 work to increase the downstream channel's capacity from 5,000 to 30,000 cu ft (140 to 850 m) per second is ongoing. The total costs of the improvements is estimated at $ 400 million.
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Please help update this article to reflect recent events or newly available information.
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U.S. Geological Survey
Geographic Names Information System: Prado Flood Control Basin
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built the dam in Lower Santa Ana River Canyon. Its primary purpose is
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U.S. Geological Survey
Geographic Names Information System: Prado Dam
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U.S. Geological Survey
Geographic Names Information System: Prado Dam
435:"Corona dam's bicentennial mural too degraded for historic listing"
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Buildings and structures in
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494:U.S. Army Corps of Engineers– Seven Oaks Dam
313:with the resulting impounded water creating
225:3,389,000 cu yd (2,591,000 m)
546:", 2 photos, 1 photo caption page
587:United States Army Corps of Engineers dams
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383:List of dams and reservoirs in California
489:U.S. Army Corps of Engineers – Prado Dam
388:List of largest reservoirs of California
29:Parts of this article (those related to
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461:Department of Water Resources (2010).
266:2,230 sq mi (5,800 km)
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509:Historic American Engineering Record
463:"Station Meta Data: Prado Dam (PRA)"
60:Dam in Riverside County, California
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544:Prado Dam, Service Vehicle Garage
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467:California Data Exchange Center
344:of flooding. The gymnasium at
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319:U.S. Army Corps of Engineers
165:U.S. Army Corps of Engineers
95:Riverside County, California
79:Chino Valley Freeway (SR 71)
274:6,600 acres (2,700 ha)
143:; 83 years ago
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352:into a temporary shelter.
209:2,280 ft (690 m)
542:HAER No. CA-178-D, "
535:HAER No. CA-178-C, "
528:HAER No. CA-178-B, "
521:HAER No. CA-178-A, "
368:Prado Dam Spillway, with
315:Prado Flood Control Basin
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239:Prado Flood Control Basin
83:Riverside Freeway (SR 91)
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530:Prado Dam, Outlet Works
514:HAER No. CA-178, "
217:30 ft (9.1 m)
201:162 ft (49 m)
592:Dams completed in 1941
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523:Prado Dam, Embankment
469:. State of California
370:American Bicentennial
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348:was converted by the
177:Type of dam
333:groundwater recharge
122:33.8902°N 117.6408°W
77:Prado Dam above the
37:section) need to be
537:Prado Dam, Spillway
262:Catchment area
245:Total capacity
118: /
562:Dams in California
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350:American Red Cross
346:Corona High School
307:Corona, California
214:Width (crest)
127:33.8902; -117.6408
582:Earth-filled dams
440:Los Angeles Times
414:Los Angeles Times
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271:Surface area
171:Dam and spillways
138:Opening date
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33:section and
328:watershed's
303:Chino Hills
297:across the
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113:117°38′27″W
101:Coordinates
85:interchange
556:Categories
420:2019-05-17
394:References
292:earth-fill
110:33°53′25″N
516:Prado Dam
473:9 October
288:Prado Dam
230:Reservoir
66:Prado Dam
377:See also
356:Upgrades
188:Impounds
156:Owner(s)
91:Location
49:May 2019
35:Upgrades
447:6 March
301:at the
295:dry dam
250:acre⋅ft
235:Creates
148:1941-04
146: (
39:updated
372:mural.
290:is an
206:Length
198:Height
323:flood
305:near
475:2010
449:2018
309:in
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
