Old Mission Dam

Old Mission Dam
U.S. National Register of Historic Places
U.S. National Historic Landmark
California Historic Landmark #52
Old Mission Dam in 2008
Location:	Mission Trails Regional Park, San Diego, California
Coordinates:	32°50′24″N 117°2′32″W / 32.84°N 117.04222°W / 32.84; -117.04222Coordinates: 32°50′24″N 117°2′32″W / 32.84°N 117.04222°W / 32.84; -117.04222
Built:	1803
Governing body:	Local
NRHP Reference#:	66000225[1]
CHL #:	52
Significant dates
Added to NRHP:	October 15, 1966
Designated NHL:	May 21, 1963[3]
Designated CHL:	December 6, 1932[2]

The Old Mission Dam, located in San Diego, California was the first major irrigation project on the Pacific coast.^[3] The stone and cement dam is 220 ft long (67 m), 13 ft wide (4.0 m) at its base and 12 ft high (3.7 m)^[4]. Water was released for a sawmill and irrigation at the Mission San Diego de Alcalá, 5 miles (8.0 km) away.^[5]

It is now part of Mission Trails Regional Park, the largest municipal park in California.

Mission Dam & Flume, 4/2009

References

1. ^ "National Register Information System". National Register of Historic Places. National Park Service. 2008-04-15. http://nrhp.focus.nps.gov/natreg/docs/All_Data.html. 
2. ^ Historical Plaque at Dam
3. ^ ^{a b} NHL Summary
4. ^ NPS Red Book^{[dead link]}
5. ^ NHL Writeup^{[dead link]}