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Mulholland presided over the creation of a water system that forever changed the course of Southern California's history. In the first full-length biography of the water and civil engineer, his granddaughter provides insights into the triumphant completion of the Owens Valley Aqueduct and the San Francisquito Dam tragedy that ended his career. Archival photos. 7 maps.

Minutes before midnight on March 12, 1928, the St. Francis Dam collapsed, sending more than twelve billion gallons of water surging through Southern California’s Santa Clara Valley, killing some four hundred people and causing the greatest civil engineering disaster in twentieth-century American history. In this carefully researched work, Norris Hundley jr. and Donald C. Jackson provide a riveting narrative exploring the history of the ill-fated dam and the person directly responsible for its flawed design—William Mulholland, a self-taught engineer of the Los Angeles municipal water system. Employing copious illustrations and intensive research, Heavy Ground traces the interwoven roles of politics and engineering in explaining how the St. Francis Dam came to be built and the reasons for its collapse. Hundley and Jackson also detail the terror and heartbreak brought by the flood, legal claims against the City of Los Angeles, efforts to restore the Santa Clara Valley, political factors influencing investigations of the failure, and the effect of the disaster on congressional approval of the future Hoover Dam. Underlying it all is a consideration of how the dam—and the disaster—were inextricably intertwined with the life and career of William Mulholland. Ultimately, this thoughtful and nuanced account of the dam’s failure reveals how individual and bureaucratic conceit fed Los Angeles’s desire to control vital water supplies in the booming metropolis of Southern California.

It is not the purpose of this work to propose a specific format for the settlement of the city's current difficulties with the valley, to resolve the environmental questions associated with Los Angeles's proposed groundwater pumping program, or to promote any cause associated with the developing situation in the Owens Valley. But by performing the essential historical task of separating what happened from what did not, and by distinguishing in this way the choices which have been made from those which have yet to be decided, it is my hope that this effort will help to establish that common basis for understanding which is essential for the debate over specific issues to proceed most effectively. This book, then, is scarcely the last word on the Owens Valley conflict: the final chapter, after all, has yet to be written. The story that has emerged here is at once very different and more troubling than the conventional treatments of the conflict as a simplistic political morality play. Any attempt to deal with so controversial a subject, however, is almost certain to spark controversy itself. For that reason, with the exception of a small collection of private letters, this work is constructed entirely from the published documents and other materials available to the general public, anchoring the narrative in sources the reader can consult to trace the line of my argument on any point with which he or she may disagree. In addition, the work as a whole has been reviewed for technical accuracy by officials of the Los Angeles Department of Water and Power, although the department is in no way responsible for the content of this study or the conclusions drawn from it.

The story of "the great thirst" is brought up to date in this revised edition of Norris Hundley's outstanding history, with additional photographs and incisive descriptions of the major water-policy issues facing California now: accelerating urbanization of farmland and open spaces, persisting despoliation of water supplies, and demands for equity in water allocation for an exploding population. People the world over confront these problems, and Hundley examines them with clarity and eloquence in the unruly laboratory of California. The obsession with water has shaped California to a remarkable extent, literally as well as politically and culturally. Hundley tells how aboriginal Americans and then early Spanish and Mexican immigrants contrived to use and share the available water and how American settlers, arriving in ever-increasing numbers after the Gold Rush, transformed California into the home of the nation's preeminent water seekers. The desire to use, profit from, manipulate, and control water drives the people and events in this fascinating narrative until, by the end of the twentieth century, a large, colorful cast of characters and communities has wheeled and dealed, built, diverted, and connived its way to an entirely different statewide waterscape. The story of "the great thirst" is brought up to date in this revised edition of Norris Hundley's outstanding history, with additional photographs and incisive descriptions of the major water-policy issues facing California now: accelerating urbanization