From the Maven’s Notebook

In California, 80% of the usable fresh water is located far from where it’s actually used, so water conveyance infrastructure is vital to the state’s existence.  Spanning 444 miles, the California Aqueduct is a vital component of the State Water Project, serving as a crucial source of water for 27 million Californians, providing water for agriculture and municipalities. Unfortunately, land subsidence in the San Joaquin Valley has drastically diminished its capacity to deliver water, with reductions reaching up to 46% in some places.  Addressing this problem will require a substantial investment of billions over the next 20 years. (more)