Pesticides and Water Quality - Texas Center for Policy Studies

Water Body Year of Sample Pesticides* Above Detection Limit**1984 DDEAransas Bay 1982 DDE1983 Dibutyl Phthalate, DDE1984 DDENueces Bay 1980 DDE1982 DDE, Dibutyl Phthalate1983 DDE1984 NoneCorpus Christi Bay 1984 NoneBaffin Bay 1984 Chlordane, DDELaguna Madre 1980 DDE, DEHP, Dibutyl Phthalate1981 DDE, DDD, DDT, Chlordane, Toxaphene , DCPA1984 None1986 DDE1987 DDE, Chlordane, DDT, Dieldrin1989 DDE, Chlordane, Dieldrin, DacthalArroyo Colorado 1980 Chlordane, Trans-nonachlor, DDD, DDE, DDT,Dieldrin, Endrin, Dibutyl Phthalate, Toxaphene1981 DDE1989 DDE, Chlordane, Dacthal, Dieldrin, Dacthal1993 DDELlano Grande Lake 1980 Chlordane, DDD, DDT, DDE, Dieldrin, Endrin,Dibutyl Phthalate, Toxaphene, Trans Nonachlor1981 Chlordane, DDD, DDT, DDE, Dieldrin, Endrin,Dibutyl Phthalate, Toxaphene, Dacthal1983 Chlordane, DDE, Dieldrin, T-Nonachlor,Toxaphene, Endrin, DCPA1985 DDE, Chlordane, Toxaphene, Dacthal, Dieldrin,Endrin1987 DDE, Chlordane, Toxaphene, Dacthal, Dieldrin,Endrin1993 Endosulfan, Endosulfan Sulfate, Dacthal, DDT,DDD, DDE, Dieldrin, EndrinPort of Harlingen 1981 Toxaphene, DDE, Dacthal, Dieldrin, Endrin,Chlordane, DCPA, DDD1983 Dieldrin, DCPA, DDD, T-Nonachlor, DDE,Toxaphene, Endrin, Chlordane1984 DDE, Dieldrin1985 DDE, Chlordane, Toxaphene, Dacthal, DDT,Dieldrin, Endrin1986 DDE, Dacthal1987 DDE, Chlordane, Dieldrin, Endrin, Dacthal1989 Chlordane, DDE, Dieldrin, DacthalDonna Irrigation Canal 1993 DDE, Endosulfan Sulfate, Dacthal1994 DDD, DDE, Endosulfan I, Hexachlorobenzene,Alachlor, Malathion, Dacthal, AldrinMercedes Main Canal 1993 DDE, Endosulfan, Endosulfan Sulfateand Settling BasinHidalgo Settling Basin 1993 DDE, Endosulfan Sulfate, DacthalBrownsville Resacas 1996 Chlordane, DDD, DDE15