Brown Barranca/Long Canyon / Nitrate and Nitrite / Nutrients / TMDL completed / 18-Mar-04
Castaic Lake / Mercury / Metals/Metalloids / TMDL required / 01-Jan-21
Elizabeth Lake / Eutrophic / Nutrients / TMDL required / 01-Jan-19
Elizabeth Lake / Organic Enrichment/Low Dissolved Oxygen / Nutrients / TMDL required / 01-Jan-19
Elizabeth Lake / pH / Miscellaneous / TMDL required / 01-Jan-19
Elizabeth Lake / Trash / Trash / TMDL completed / 27-Feb-08
Hopper Creek / Sulfates / Other Inorganics / TMDL required / 01-Jan-15
Hopper Creek / Total Dissolved Solids / Salinity / TMDL required / 01-Jan-19
Lake Hughes / Algae / Nutrients / TMDL required / 01-Jan-19
Lake Hughes / Eutrophic / Nutrients / TMDL required / 01-Jan-19
Lake Hughes / Fish Kills / Miscellaneous / TMDL required / 01-Jan-19
Lake Hughes / Odor / Nuisance / TMDL required / 01-Jan-19
Lake Hughes / Trash / Trash / TMDL completed / 27-Feb-08
Mint Canyon Creek Reach 1 (Confl to Rowler Cyn) / Nitrate and Nitrite / Nutrients / TMDL completed / 18-Mar-04
Munz Lake / Eutrophic / Nutrients / TMDL required / 01-Jan-19
Munz Lake / Trash / Trash / TMDL completed / 27-Feb-08
Piru Creek (from gaging station below Santa Felicia Dam to headwaters) / Chloride / Salinity / TMDL required / 01-Jan-19
Piru Creek (from gaging station below Santa Felicia Dam to headwaters) / pH / Miscellaneous / TMDL required / 01-Jan-19
Pole Creek (trib to Santa Clara River Reach 3 ) / Sulfates / Other Inorganics / TMDL required / 01-Jan-19
Pole Creek (trib to Santa Clara River Reach 3 ) / Total Dissolved Solids / Salinity / TMDL required / 01-Jan-19
Pyramid Lake / Mercury / Metals/Metalloids / TMDL required / 01-Jan-21
Santa Clara River Estuary / ChemA / Pesticides / TMDL required / 01-Jan-19
Santa Clara River Estuary / Coliform Bacteria / Pathogens / TMDL completed / 21-Mar-12
Santa Clara River Estuary / Nitrogen, Nitrate / Nutrients / TMDL required / 01-Jan-21
Santa Clara River Estuary / Toxaphene / Pesticides / TMDL required / 01-Jan-19
Santa Clara River Estuary / Toxicity / Toxicity / TMDL required / 01-Jan-19
Santa Clara River Reach 1 (Estuary to Hwy 101 Bridge) / Toxicity / Toxicity / TMDL required / 01-Jan-19
Santa Clara River Reach 3 (Freeman Diversion to A Street) / Ammonia / Nutrients / TMDL completed / 18-Mar-04
Santa Clara River Reach 3 (Freeman Diversion to A Street) / Chloride / Salinity / TMDL completed / 01-Jan-02
Santa Clara River Reach 3 (Freeman Diversion to A Street) / Total Dissolved Solids / Salinity / TMDL required / 01-Jan-15
Santa Clara River Reach 3 (Freeman Diversion to A Street) / Toxicity / Toxicity / TMDL required / 01-Jan-21
Santa Clara River Reach 5 (Blue Cut gaging station to West Pier Hwy 99 Bridge) (was named Santa Clara River Reach 7 on 2002 303(d) list) / Chloride / Salinity / TMDL completed / 28-Apr-05
Santa Clara River Reach 5 (Blue Cut gaging station to West Pier Hwy 99 Bridge) (was named Santa Clara River Reach 7 on 2002 303(d) list) / Coliform Bacteria / Pathogens / TMDL completed / 21-Mar-12
Santa Clara River Reach 5 (Blue Cut gaging station to West Pier Hwy 99 Bridge) (was named Santa Clara River Reach 7 on 2002 303(d) list) / Iron / Metals/Metalloids / TMDL required / 01-Jan-21
Santa Clara River Reach 6 (W Pier Hwy 99 to Bouquet Cyn Rd) (was named Santa Clara River Reach 8 on 2002 303(d) list) / Chloride / Salinity / TMDL completed / 28-Apr-05
Santa Clara River Reach 6 (W Pier Hwy 99 to Bouquet Cyn Rd) (was named Santa Clara River Reach 8 on 2002 303(d) list) / Chlorpyrifos / Pesticides / TMDL required / 01-Jan-19
Santa Clara River Reach 6 (W Pier Hwy 99 to Bouquet Cyn Rd) (was named Santa Clara River Reach 8 on 2002 303(d) list) / Coliform Bacteria / Pathogens / TMDL completed / 21-Mar-12
Santa Clara River Reach 6 (W Pier Hwy 99 to Bouquet Cyn Rd) (was named Santa Clara River Reach 8 on 2002 303(d) list) / Copper / Metals/Metalloids / TMDL required / 01-Jan-21
Santa Clara River Reach 6 (W Pier Hwy 99 to Bouquet Cyn Rd) (was named Santa Clara River Reach 8 on 2002 303(d) list) / Diazinon / Pesticides / TMDL required / 01-Jan-19
Santa Clara River Reach 6 (W Pier Hwy 99 to Bouquet Cyn Rd) (was named Santa Clara River Reach 8 on 2002 303(d) list) / Iron / Metals/Metalloids / TMDL required / 01-Jan-21
Santa Clara River Reach 6 (W Pier Hwy 99 to Bouquet Cyn Rd) (was named Santa Clara River Reach 8 on 2002 303(d) list) / Toxicity / Toxicity / TMDL required / 01-Jan-19
Santa Clara River Reach 7 ( Bouquet Canyon Rd to above Lang Gaging Station) (was named Santa Clara River Reach 9 on 2002 303(d) list) / Coliform Bacteria / Pathogens / TMDL completed / 21-Mar-12
Santa Clara River Reach 11 (Piru Creek, from confluence with Santa Clara River Reach 4 to gaging station below Santa Felicia Dam) / Boron / Metals/Metalloids / TMDL required / 01-Jan-19
Santa Clara River Reach 11 (Piru Creek, from confluence with Santa Clara River Reach 4 to gaging station below Santa Felicia Dam) / Specific Conductance / Salinity / TMDL required / 01-Jan-21
Santa Clara River Reach 11 (Piru Creek, from confluence with Santa Clara River Reach 4 to gaging station below Santa Felicia Dam) / Sulfates / Other Inorganics / TMDL required / 01-Jan-19
Santa Clara River Reach 11 (Piru Creek, from confluence with Santa Clara River Reach 4 to gaging station below Santa Felicia Dam) / Total Dissolved Solids / Salinity / TMDL required / 01-Jan-21
Sespe Creek (from 500 ft below confluence with Little Sespe Cr to headwaters) / Chloride / Salinity / TMDL required / 01-Jan-19
Sespe Creek (from 500 ft below confluence with Little Sespe Cr to headwaters) / pH / Miscellaneous / TMDL required / 01-Jan-19
Torrey Canyon Creek / Nitrate and Nitrite / Nutrients / TMDL completed / 18-Mar-04
Wheeler Canyon/Todd Barranca / Nitrate and Nitrite / Nutrients / TMDL completed / 18-Mar-04
Wheeler Canyon/Todd Barranca / Sulfates / Other Inorganics / TMDL required / 01-Jan-19
Wheeler Canyon/Todd Barranca / Total Dissolved Solids / Salinity / TMDL required / 01-Jan-19
*ChemA refers to the sum of the chemicals aldrin, dieldrin. Chlordane, endrin, heptachlor, heptachlor epoxide, HCH (including lindane), endosulfan, and toxaphene