The Mammoth Community Water District is committed to carefully and effectively managing and maintaining our local water resources. The District provides water and wastewater services to meet the health and safety needs of the community. All work is conducted in a safe, financially sound, and high quality manner. We are committed to our customers and the environment in which we live.Mammoth Community Water District is a California Special District governed by a five-member Board of Directors. District staff provides water, wastewater and recycled water services to a resident population of 8,200 and up to as many as 35,000 people during holiday periods. There are seven departments comprised of 42 full-time staff.