Water and sewer revenues keep the state's utilities in business by covering the costs of daily expenses and providing funds for long-term system planning. Hughes examines fundamental principles behind water and sewer revenues and looks at high-priority decisions that water and sewer boards face. For example, in 2002, the approximately 500 government-owned water and sewer enterprises collected from their customers over $1.4 billion. Combined company assets were about $7.8 billion. However, over the next twenty years North Carolina will need over $11 billion in investments to meets infrastructure needs for water and sewer.