The Santa Clara River Valley Study was sampled between 4/2/2007 and 6/7/2007; 54 wells were sampled.
The study unit consists of 1 study area:
• Santa Clara River Valley (consists of: Ojai Valley, Upper Ojai Valley, Ventura River Valley, Santa Clara River Valley, Pleasant Valley, Arroyo Santa Rosa Valley, Las Posas Valley, and Simi Valley ground-water basins)The study unit is within the Ventura and Los Angeles counties.