Farms, industries and municipalities in Ventura County could see a severe reduction in the amount of water they receive from the Santa Clara River watershed and sharply higher prices if a pair of environmental challenges are successful, a top groundwater manager said Nov. 16. Tony Morgan, groundwater department manager for the United Water Conservation District, said at a symposium in Santa Paula that the district is unlikely to be able to supply anywhere near the water this year that it has in the past because of prolonged dry weather.