Public utilities provide electric, gas, water or telephone service to customers in a specified area. Utilities have a duty to provide safe and adequate service on reasonable terms to anyone who lives within the service area on without discriminating between customers. Because most utilities operate in near monopolistic conditions, they can be heavily regulated by local, state, and federal authorities. Generally, the local and state agencies are called Public Service Commissions (PSC) or Public Utility Commissions (PUC). Municipal Utilities and Rural Electric Cooperatives may be unregulated though.
Three Rivers is a city in Live Oak County, Texas, United States. The population was 1,878 at the 2000 census. The city is named for its proximity to three rivers, the Atascosa River, the Frio River, and the Nueces River (the Atascosa joins the Frio north of the city, while the Frio joins the Nueces south of the city). Originally named Hamiltonburg, the city name was changed when mail meant for the city was accidentally delivered to Hamilton, Texas instead.