State Water Resources Control Board 1,2,3-trichloropropane State Water Resources Control Board 1,2,3-TCP California State Water Resources Control Board 1, 2, 3-Trichloropropane 562 wells, reservoirs and other sources California State Water Resources Control Board State Water Resource Control Board contaminating the groundwater the most impacted County (Kern County) California State Water Resources Control Board 1,2,3-Trichloropropane 1,2,3-TCP 562 wells, reservoirs and other sources “1,2,3-TCP” California State Water Resources Control Board Earlier this month 562 wells, reservoirs and other sources 1,2,3 Trichloropropane, or 1,2,3 TCP. “1,2,3-TCP” found potentially harmful levels State Water Resources Control Board 1, 2, 3-Trichloropropane