Biology Reference
In-Depth Information
Above sea level
Sea level to 10 feet below sea level
10 to 15 feet below sea level
15 feet or more below sea level
Suisun Marsh
Sacramento
Freeport
Clarksburg
Hood
Courtland
Barker Slough
Pumping Plant
Fairfield
Ryde
Walnut
Grove
v
Rio Vista
Suisun Marsh
Salinity Control
Gate
Isleton
Lodi
Grizzly
Bay
Suisun
Marsh
Pittsburg
Antioch
Oakley
Concord
Stockton
Discovery
Bay
Los Vaqueros
Reser voir
Lathrop
Manteca
Jones
Pumping
Plant
Harvey O. Banks
Delta Pumping Plant
South Bay
Pumping Plant
N
Tracy
2
0
2
4
6 miles
Map 12. Land subsidence in the delta. (Department of Water Resources, redrawn
from Ellen Hanak et al., 2010)
larly abundant. As such, the state requires enough fresh water to be
released in certain seasons to keep this low-salinity habitat in the most
nurturing place in the estuary.
In a second landmark dedication of water to fish, Congress redefined
the purpose of the federal Central Valley Project (CVP) in 1992, allocat-
ing 800,000 acre-feet per year of water specifically for salmon recovery.
