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Lake Conroe Facts
Construction:
Started January , 1970 - completed January 1973
Cost:
$30,000,000
Filled:
October 31, 1973
Normal Pool:
Elevation 201.00 feet above mean sea
level
Surface Area:
22,000 acres (5,000 acres in Sam
Houston National Forest)
Capacity:
430,260 acre feet (140,200,651,000
gallons)
Average Depth:
20.5 feet
Yield:
100,000 acre feet per year (90 million
gallons per day)
Water Use:
San Jacinto River Authority - one
third for industrialand irrigation; two thirds City of Houston
Water Releases:
Floodwater - by raising gates (5 gates
40' wide). Water for downstream - through service outlet structure using one or
two of three gates at different elevations.
Evaporation:
Average annual - 48 inches (71 million
gallons per day). Summer (115 million gallons per day). Winter (30 million
gallons per day). Maximum (180 million gallons per day).
Pollution Control:
Texas Water Commission - controls
discharges from sewage treatment plants. San Jacinto River Authority - inspects
and licenses on-site sewage facilities (septic tanks) within 2,075 feet of the
lake.
Flowage Easement:
Elevation 201 to elevation 207.
Permits Required:
All construction on the reservoir.
Fish Stocked:
Texas Parks and Wildlife - Bass,
Hybrid Bass, Crappie. LCMA restock Bass & Crappie.
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Lake Conroe
& April Sound Info