Camp Pendleton's 125,547 acres host a self-sustaining water supply, sewage treatment plants, telephone and electrical systems. With a daytime population of more than 70,000 , Camp Pendleton must maintain its self-sustaining capabilities.
To help maintain the high demand on Pendleton's utilities, there are seven sewage treatment plants, 150 miles of sewer mainlines, 24 wells, 375 miles of water mainlines, 23 reservoirs, 145 miles of gas lines, 335 miles of electrical lines, 215 electric substations and two landfills.
Along with having its own utility distribution systems, Camp Pendleton also maintains 7,300 family housing units and is constructing additional units in conjunction with maintaining 18,000 permanent party billeting spaces. In addition, there are more than 2,600 buildings and structures. The largest structure on Base is the 6,000-foot runway at the Air Station.