St. Francis Dam was a 1924 project that was supposed to provide water to the people of California. It was designed by William Mulholland. The project, however, turned out to be a disaster as it killed 600 people. The dam collapsed due to poor engineering. From this incidence we learn that we should give competent individuals the responsibility to execute projects. We also learn that we should not take any slight sign of imminent danger for granted. Introduction The San Francesco Dam was a concrete gravity dam. It had a curved shape. It was erected to provide storage and regulate water. The dam was located along the San Francis Quito Canyon, 64 kilometers northwest of Los Angeles, California and 16 kilometers north of Santa Clarita. The dam was built from 1924 to 1926 by the Bureau of Water Works and Supply, now known as the Los Angeles Department of Water and Power. William Mulholland was the general manager and chief engineer of the entire project. On March 12, 1928 the dam gave way. It flooded and killed 600 people. The catastrophe was remembered as one of America's tragic civil engineering disasters. It marked the end of William Mulholland's career as an engineer. This research will provide an in-depth look at the possible causes of dam failure. Data Collection In this research, I used both primary and secondary data as sources of information. For primary data, I interviewed some relatives of people who, at one time, resided somewhere near San Francisquito Canyon, which is close to the site. I wanted to find out if they knew any stories about the catastrophic collapse of the St. Francis Dam. I wrote down some of their theories and opinions in a notebook as a data collection method. I also visited the site in a flash... middle of paper... would never be taken for granted. Just as cracks and leaks in the walls of the St. Francis Dam have been speculated to have caused a catastrophic collapse, small signs can be signs of great impending danger. Bottom line, the St. Francis Dam was a water storage project that turned out to be a disaster. It was designed by William Mulholland who many people say was a great man with exceptional vision and drive. Unfortunately, in my opinion, he only worked on his own and did not have enough trust in his fellow engineers. I also think he took lightly the signs that showed the dam was not strong enough to support the water pressure. This led to the collapse of the dam walls killing 600 people. From this incidence, we learn that we should take others' opinions into consideration when executing projects. We also learn that we should not take any slight sign of imminent danger for granted.