Imperial Dam LTVAYou can get here from either SR 24 in California or highway 95 in Yuma. Follow the signs to the Imperial Dam LTVA, then north on Senator Wash Road and pick an LTVA. We found Coyote Ridge to be the least crowded. Dump, garbage and water at South Mesa LTVA State: Arizona City: Yuma AZ Nearest Town: Bard CA Status; Official Cost: 10 or less Nearest Road: Dirt Scenery Rating: 4 Months Opened: Year Round Extras: Water Dump Station Number of Camp Sites: 30 or more Max -