david smith Flashcards
what is an acre foot?
325,852 gallons
and acres area 1 foot tall
texas water supply
53% ground water
43% surface water
4% re use
total 16.2milllion
longest river in texas?
Brazos river (840 miles)
how many major basins/watershed?
23
only natural lake in tx
caddo lake
how many major resivours
208 major water reservoirs
(>5,000 acre-feet)
how many aquafors?
9 Major Aquifers
22 minor
water use in texas percentage (surface and ground)
surface: 47 municipal
29 irrigation
ground: 73 irrigation
19 municipal
who owns surface water?
who owns the most
first in time first in rights
The Dow Chemical Company
who owns ground water?
rule of the biggest pump
hydroilogical cycle
rain
apathy
drought
awarness
concern
panic
Water Supply increasing or decreasing?
Texas’ existing water supplies are projected to decline by
approximately 18 percent
between 2020 and 2070
interbasin transfer
transport of water from a
water-rich basin to another river
basin
vista ridge project
142-mile pipeline
transfer ~50,000 acre-feet per
cost of ~3 billion dollars
Bois d’Arc Lake
First major reservoir built in Texas in nearly 30 years