Pasadena, California Airport in Orange County, California, is slightly more than an hour's drive away from Pasadena. Four freeways run through Pasadena, and Pasadena is a control city for all of them. The most important is the Foothill Freeway (I-210) which enters the northwestern portion of the city from La Cañada Flintridge. The Foothill Freeway initially runs due south, passing the Rose Bowl before its junction with the Ventura Freeway. At this interchange, the Foothill Freeway shifts its alignment and direction, becoming an east-west freeway, exiting the city on its eastern boundary before entering Arcadia. The Foothill Freeway connects Pasadena with San
Pasadena, California on both the Arroyo Seco and Eaton Canyon capture considerable volumes of water, a little over per year. A number of wells on the west side of the service area had become contaminated with volatile organic chemicals and perchlorate and had to be shut down several years. A treatment plant was built to remove these chemicals which began operation in July 2011. In the United States Senate, Pasadena is represented by California's Senators Dianne Feinstein and Kamala Harris. In the United States House of Representatives, Pasadena is split between , and . In the state legislature, Pasadena is in ,