Pollutant/ Potential Proposed TMDL Water Body Stressor Sources Completion Chino Creek-Reach 1 Nutrients Agriculture, dairies 2019 and Mill Creek (Prado Area) Mill Creek (Prado Area) TSS Dairies 2019 Prado Park Lake Nutrients Nonpoint source 2019 Lead Source Unknown 2021 SAR Reach 3 Copper Source Unknown 2021 Chino Creek Reach 2 pH Source Unknown 2021 Cadmium Source Unknown 2021 Copper Source Unknown 2021 Cucamonga Creek – Valley Reach Lead Source Unknown 2021 Zinc Source Unknown 2021 Cucamonga Creek – pH Source Unknown 2021 Mountain Reach COD Source Unknown 2021 Chino Creek Reach 1B Nutrients Agriculture 2019 Temescal Creek Reach pH Source Unknown 2021 1 Temescal Creek, Reach Indicator Source Unknown 2021 6 Bacteria Table 5.5-7 TMDL Projects-Santa Ana River Watershed, Reach 3 Pollutant(s) TMDL Project Status Impaired Water
Water Body Pollutant/ Stressor Potential Sources Proposed TMDL Completion Chino Creek-Reach 1 and Mill Creek (Prado Area) Nutrients Agriculture, dairies 2019 Mill Creek (Prado Area) TSS Dairies 2019 Prado Park Lake Nutrients Nonpoint source 2019 SAR Reach 3 Lead Source Unknown 2021 Copper Source Unknown 2021 Chino Creek Reach 2 pH Source Unknown 2021 Cucamonga Creek – Valley Reach Cadmium Source Unknown 2021 Copper Source Unknown 2021 Lead Source Unknown 2021 Zinc Source Unknown 2021 Cucamonga Creek – Mountain Reach pH Source Unknown 2021 Chino Creek Reach 1B COD Source Unknown 2021 Nutrients Agriculture 2019 Temescal Creek Reach 1 pH Source Unknown 2021 Temescal Creek, Reach 6 Indicator Bacteria Source Unknown 2021 Table 5.5-7 TMDL Projects-Santa Ana River Watershed, Reach 3 Impaired Water Pollutant(s) TMDL Project Status
5-5-Beneficial-Use-Assurance_tc_11-20-2013.docx