Flooding & Dams

Flooding & Dams (HM28QB)

Location: San Antonio, TX 78215 Bexar County
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Country: United States of America
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N 29° 26.008', W 98° 29.072'

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Inscription
The San Antonio River and surrounding creeks have experienced devastating floods throughout the city's history. Major flooding in 1819, 1868, 1913, and 1921 caused extensive property damage and loss of life. An engineering study after the 1868 flood recommended construction of a dam in the San Antonio River basin north of the city. Over fifty years passed before this structure was completed and a flood bypass channel was built to protect the downtown area.

Vegetation removal, channel straightening, and small dams were also used to control flooding on the river and creeks. In the 1990s deep underground tunnels were built to carry floodwaters from the San Antonio River and San Pedro Creek past the downtown area. At this site the gate to the right of the locks controls the river's upper pool level, as well as river flow in times of flooding. This type of dam is called a crest gate dam.
Details
HM NumberHM28QB
Tags
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Marker ConditionNo reports yet
Date Added Sunday, June 24th, 2018 at 7:01pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)14R E 549995 N 3256122
Decimal Degrees29.43346667, -98.48453333
Degrees and Decimal MinutesN 29° 26.008', W 98° 29.072'
Degrees, Minutes and Seconds29° 26' 0.47999999999995" N, 98° 29' 4.32" W
Driving DirectionsGoogle Maps
Area Code(s)210
Which side of the road?Marker is on the right when traveling North
Closest Postal AddressAt or near Brooklyn Locks, San Antonio TX 78215, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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