Related by context. Frequent words. (Click for all words.) 58 San Bernardino Counties 58 Temecula Murrieta 57 groundwater basin 56 Wildfire threatens 55 perchlorate contamination 55 groundwater basins 55 San Timoteo 54 shallow aquifer 54 Ballona Creek 54 groundwater aquifer 54 By Catherine Elsworth 54 brackish groundwater 54 Placer El Dorado 54 Whittier Narrows 53 Prado Dam 53 groundwater 52 Suisun Marsh 52 Visalia Tulare 52 Palo Alto Menlo Park 52 groundwater recharge 51 Yolo counties 51 supervisorial district 51 polluted groundwater 51 Sanitation Districts 51 unincorporated San Mateo 51 Hetch Hetchy Reservoir 51 Vallecitos 51 Wildfire burns 51 groundwater withdrawals 50 underground aquifer 50 Santa Ana Mountains 50 Nipomo Mesa 50 Freight train derails 50 aquifer 50 Mokelumne 50 Nacimiento Lake 50 Del Norte Humboldt 50 Sewage spill 50 Ocotillo Wells 50 CVWD 50 San Ardo 49 Yolo Bypass 49 Thousand Oaks Westlake Village 49 Cutler Orosi 49 unincorporated Alameda 49 Los Carneros 49 groundwater pumping 49 Lake Nacimiento 49 Diablo Range 49 seawater intrusion 49 groundwater aquifers 49 CLWA 49 hydrogeologic 49 Casmalia 49 Vallejo Fairfield 49 Lake Kaweah 49 Floridan aquifer 48 El Dorado Irrigation 48 Sierra foothill 48 aquifer recharge 48 Fresno Madera 48 groundwater plume 48 wastewater effluent 48 Sausalito Marin City 48 hydrologic 48 Carlsbad Oceanside 48 San Francisquito Creek 48 Teachers Assn 48 Lower Magdalena 48 Calif. Distributed 48 Newport Inglewood 47 Wildfire Burns 47 Prescribed burn 47 Agua Fria River 47 Muscoy 47 naturally occurring arsenic 47 Stockton Lodi 47 Fry Ark 47 aquifers 47 BioTime headquartered 47 CALIF 47 basin 47 IRWD 47 Sewage Spill 47 watersheds 47 San Buenaventura 47 perchlorate 47 sq. mi 47 nitrate contamination 47 Water Reclamation Facility 47 Colonies Partners 47 San Bernardino counties 47 Casey Knaupp covers 46 trichloroethene 46 By JOE SEELIG 46 contaminated groundwater 46 watermaster 46 Nacimiento 46 Pajaro River 46 San Gabriel 46 Polk Hardee