Calleguas Creek Reach 1 (was Mugu Lagoon on 1998 303(d) list) Chlordane (tissue)¹ Copper² DDT (tissue and sediment)¹ Endosulfan (tissue)¹ Mercury² Nickel² Nitrogen³ PCBs (tissue)¹ Sediment Toxicity¹ Sedimentation/Siltation¹ Calleguas Creek Reach 2 (estuary to Potrero Rd- was Calleguas Creek Reaches 1 and 2 on 1998 303d list) Ammonia³ ChemA (tissue)¹* Chlordane (tissue)¹ Copper, Dissolved² DDT (tissue and sediment)¹ DDT± Endosulfan (tissue)¹ Fecal Coliform Nitrogen³ PCBs (tissue)¹ Sediment Toxicity¹ Sedimentation/Siltation¹ Toxaphene (tissue and sediment)¹ Calleguas Creek Reach 3 (Potrero Road upstream to confluence with Conejo Creek on 1998 303d list) Chlordane Chloride DDT± Dieldrin¹ Nitrate and Nitrite³ Sedimentation/Siltation¹ Total Dissolved Solids Toxaphene1 Calleguas Creek Reach 4 (was Revolon Slough Main Branch: Mugu Lagoon to Central Avenue on 1998 303d list) Boron ChemA (tissue)¹* Chlordane (tissue and sediment)¹ Chlorpyrifos (tissue)¹ DDT (tissue and sediment)¹ Dieldrin (tissue)¹ Endosulfan (tissue and sediment)¹ Fecal Coliform Nitrate as Nitrate (NO3)³ Nitrogen³ PCBs (tissue)¹ Sedimentation/Siltation¹ Selenium² Sulfates Total Dissolved Solids Toxaphene (tissue and sediment)¹ Toxicity⁴ Trash Calleguas Creek Reach 5 (was Beardsley Channel on 1998 303d list) ChemA (tissue)¹* Chlordane (tissue and sediment) Chlorpyrifos (tissue)¹ Dacthal (sediment)¹ DDT (tissue and sediment)¹ Dieldrin (tissue)¹ Endosulfan (tissue and sediment)¹ Nitrogen³ PCBs (tissue)¹ Sedimentation/Siltation¹ Toxaphene (tissue and sediment)¹ Toxicity⁴ Trash Calleguas Creek Reach 6 ( was Arroyo Las Posas Reaches 1 and 2 on 1998 303d list) Ammonia³ Chloride DDT (sediment)¹ Fecal Coliform Nitrate and Nitrite³ Nitrate as Nitrate (NO3)³ Sedimentation/Siltation¹ Sulfates Total Dissolved Solids Calleguas Creek Reach 7 (was Arroyo Simi Reaches 1 and 2 on 1998 303d list) Ammonia³ Boron Chloride Fecal Coliform Organophosphorus Pesticides⁴ Sedimentation/Siltation¹ Sulfates Total Dissolved Solids Calleguas Creek Reach 8 (was Tapo Canyon Reach 1) Boron Chloride Sedimentation/Siltation¹ Sulfates Total Dissolved Solids Calleguas Creek Reach 9A (was lower part of Conejo Creek Reach 1 on 1998 303d list) ChemA (tissue)¹* Chlordane (tissue)¹ DDT (tissue)¹ Dieldrin (tissue)¹ Endosulfan (tissue)¹ Fecal Coliform Lindane/HCH (tissue)¹ Nitrate as Nitrate (NO3)³ Nitrogen, Nitrate³ PCBs (tissue)¹ Sulfates Total Dissolved Solids Toxaphene (tissue and sediment)¹ Calleguas Creek Reach 9B (was part of Conejo Creek Reaches 1 and 2 on 1998 303d list) Ammonia³ ChemA (tissue)¹* Chloride DDT (tissue)¹ Endosulfan (tissue)¹ Fecal Coliform Sulfates Total Dissolved Solids Toxaphene (tissue and sediment)¹ Toxicity⁴ Calleguas Creek Reach 10 (Conejo Creek (Hill Canyon)-was part of Conejo Ck Reaches 2 and 3, and lower Conejo Ck/Arroyo Conejo N Fk on 1998 303d list) Ammonia³ ChemA (tissue)¹* Chloride DDT (tissue)¹ Endosulfan (tissue)¹ Fecal Coliform Nitrogen, Nitrite³ Sulfates Total Dissolved Solids Toxaphene (tissue and sediment)¹ Toxicity⁴ Calleguas Creek Reach 11 (Arroyo Santa Rosa, was part of Conejo Creek Reach 3 on 1998 303d list) Ammonia³ ChemA (tissue)¹* DDT (tissue)¹ Endosulfan (tissue)¹ Fecal Coliform Sedimentation/Siltation¹ Sulfates Total Dissolved Solids Toxaphene (tissue and sediment)¹ Toxicity⁴ Calleguas Creek Reach 12 (was Conejo Creek/Arroyo Conejo North Fork on 1998 303d list) Ammonia³ Chlordane (tissue)¹ DDT (tissue)¹ Sulfates Total Dissolved Solids Ammonia³ ChemA (tissue)¹* Chloride DDT (tissue)¹ Endosulfan (tissue)¹ Sulfates Total Dissolved Solids Toxaphene (tissue and sediment)¹ Toxicity⁴ Calleguas Creek Reach 13 (Conejo Creek South Fork, was Conejo Cr Reach 4 and part of Reach 3 on 1998 303d list) Duck Pond Agricultural Drains/Mugu Drain/Oxnard Drain No 2 ChemA (tissue)¹* Chlordane (tissue)¹ DDT (tissue and sediment)¹ Nitrogen³ Sediment Toxicity¹ Toxaphene (tissue)¹ Toxicity⁴ Fox Barranca (tributary to Calleguas Creek Reach 6) Boron Sulfates Total Dissolved Solids Rio De Santa Clara/Oxnard Drain No. 3 ChemA (tissue)* Chlordane (tissue) DDT (tissue) Nitrogen PCBs (tissue) Sediment Toxicity Toxaphene (tissue)