Jump to main content.

TMDL Document for CALLEGUAS CREEK WATERSHED AND MUGU LAGOON TOXICITY, DIAZINON AND CHLORPYRIFOS TMDL

TMDL ID: 22794 TMDL Name: CALLEGUAS CREEK WATERSHED AND MUGU LAGOON TOXICITY, DIAZINON AND CHLORPYRIFOS TMDL
State/Tribe: California TMDL Date: 03/14/2006
EPA Action: EPA Approved

TMDL Documents

Click on the underlined Document Type to retrieve the actual document in PDF format.
Document Type Comments
TMDL Document  

TMDL Pollutant: Chlorpyrifos

Total Waste Load Allocation:      Total Load Allocation:
Explicit Margin Of Safety:      Implicit Margin Of Safety: Not Reported
Units for Total Waste Load Allocation and Total Load Allocation:      TMDL Pollutant Source Type: Point/Nonpoint Source
TMDL End Point: SEE P. 50-51 OF ATTACHED TMDL REPORT. CHLORPYRIFOS (UG/L) CHRONIC (FW): 0.014 (SW): 0.009 ACUTE (FW): 0.025 (SW): 0.02

NPDES Allocation for Pollutant: Chlorpyrifos
NPDES ID Other Non PCS Identification Waste Load Allocation Units
CA0056294


CA0055221


CA0063274


CA0059501


CA0053597



Listed Water Causes of Impairment for Chlorpyrifos
Click on the underlined Waterbody ID for a Waterbody Report. Click on the underlined "Waterbody Map" literal for a map of the Assessment Unit.
Waterbody ID Waterbody Name Map Cycles Listed Cause(s) of Impairment Addressed
CA404.0200R CALLEGUAS R1 CALLEGUAS CREEK REACH 1 (WAS MUGU LAGOON ON 1998 303(D) LIST) Data Unavailable 1998, 2002 Sediment Toxicity
CA404.0220R CALLEGUAS R2 CALLEGUAS CREEK REACH 2 (ESTUARY TO POTRERO RD- WAS CALLEGUAS CREEK REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0220R CALLEGUAS R2 CALLEGUAS CREEK REACH 2 (ESTUARY TO POTRERO RD- WAS CALLEGUAS CREEK REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable 1998, 2002 Sediment Toxicity
CA404.0260R CALLEGUAS R3 CALLEGUAS CREEK REACH 3 (POTRERO ROAD UPSTREAM TO CONFLUENCE WITH CONEJO CREEK ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R4 CALLEGUAS CREEK REACH 4 (WAS REVOLON SLOUGH MAIN BRANCH: MUGU LAGOON TO CENTRAL AVENUE ON 1998 303D LIST) Data Unavailable 2002 Toxicity, Chlorpyrifos
CA404.0260R CALLEGUAS R5 CALLEGUAS CREEK REACH 5 (WAS BEARDSLEY CHANNEL ON 1998 303D LIST) Data Unavailable 2002 Chlorpyrifos, Toxicity
CA404.0260R CALLEGUAS R6 CALLEGUAS CREEK REACH 6 ( WAS ARROYO LAS POSAS REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R7 CALLEGUAS CREEK REACH 7 (WAS ARROYO SIMI REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R7 CALLEGUAS CREEK REACH 7 (WAS ARROYO SIMI REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable 2002 Organophosphorus Pesticides
CA404.0260R CALLEGUAS R8 CALLEGUAS CREEK REACH 8 (WAS TAPO CANYON REACH 1) Data Unavailable Unlisted but Impaired
CA404.0010R DUCK PND OX D DUCK POND AGRICULTURAL DRAINS/MUGU DRAIN/OXNARD DRAIN NO 2 Data Unavailable Unlisted but Impaired
CA404.0010R DUCK PND OX D DUCK POND AGRICULTURAL DRAINS/MUGU DRAIN/OXNARD DRAIN NO 2 Data Unavailable 1996, 1998, 2002 Sediment Toxicity
CA404.0260R CALLEGUAS R10 CALLEGUAS CREEK REACH 10 (CONEJO CREEK (HILL CANYON)-WAS PART OF CONEJO CRK REACHES 2 & 3, AND LOWER CONEJO CRK/ARROYO CONEJO N FK ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R10 CALLEGUAS CREEK REACH 10 (CONEJO CREEK (HILL CANYON)-WAS PART OF CONEJO CRK REACHES 2 & 3, AND LOWER CONEJO CRK/ARROYO CONEJO N FK ON 1998 303D LIST) Data Unavailable 2002 Toxicity
CA404.0260R CALLEGUAS R11 CALLEGUAS CREEK REACH 11 (ARROYO SANTA ROSA, WAS PART OF CONEJO CREEK REACH 3 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R11 CALLEGUAS CREEK REACH 11 (ARROYO SANTA ROSA, WAS PART OF CONEJO CREEK REACH 3 ON 1998 303D LIST) Data Unavailable 2002 Toxicity
CA404.0260R CALLEGUAS R12 CALLEGUAS CREEK REACH 12 (WAS CONEJO CREEK/ARROYO CONEJO NORTH FORK ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R13 CALLEGUAS CREEK REACH 13 (CONEJO CREEK SOUTH FORK, WAS CONEJO CR REACH 4 AND PART OF REACH 3 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R13 CALLEGUAS CREEK REACH 13 (CONEJO CREEK SOUTH FORK, WAS CONEJO CR REACH 4 AND PART OF REACH 3 ON 1998 303D LIST) Data Unavailable 2002 Toxicity
CA404.0260R CALLEGUAS R9A CALLEGUAS CREEK REACH 9A (WAS LOWER PART OF CONEJO CREEK REACH 1 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R9B CALLEGUAS CREEK REACH 9B (WAS PART OF CONEJO CREEK REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R9B CALLEGUAS CREEK REACH 9B (WAS PART OF CONEJO CREEK REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable 2002 Toxicity

Top of page

TMDL Pollutant: Diazinon

Total Waste Load Allocation:      Total Load Allocation:
Explicit Margin Of Safety:      Implicit Margin Of Safety: Not Reported
Units for Total Waste Load Allocation and Total Load Allocation:      TMDL Pollutant Source Type: Point/Nonpoint Source
TMDL End Point: SEE P. 50-51 OF ATTACHED TMDL REPORT. DIAZINON (UG/L) CHRONIC (FW) 0.10 (SW): 0.40 ACUTE (FW): 0.10 (SW): 0.82

NPDES Allocation for Pollutant: Diazinon
NPDES ID Other Non PCS Identification Waste Load Allocation Units
CA0056294


CA0055221


CA0063274


CA0059501


CA0053597



Listed Water Causes of Impairment for Diazinon
Click on the underlined Waterbody ID for a Waterbody Report. Click on the underlined "Waterbody Map" literal for a map of the Assessment Unit.
Waterbody ID Waterbody Name Map Cycles Listed Cause(s) of Impairment Addressed
CA404.0200R CALLEGUAS R1 CALLEGUAS CREEK REACH 1 (WAS MUGU LAGOON ON 1998 303(D) LIST) Data Unavailable 1998, 2002 Sediment Toxicity
CA404.0220R CALLEGUAS R2 CALLEGUAS CREEK REACH 2 (ESTUARY TO POTRERO RD- WAS CALLEGUAS CREEK REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0220R CALLEGUAS R2 CALLEGUAS CREEK REACH 2 (ESTUARY TO POTRERO RD- WAS CALLEGUAS CREEK REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable 1998, 2002 Sediment Toxicity
CA404.0260R CALLEGUAS R3 CALLEGUAS CREEK REACH 3 (POTRERO ROAD UPSTREAM TO CONFLUENCE WITH CONEJO CREEK ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R4 CALLEGUAS CREEK REACH 4 (WAS REVOLON SLOUGH MAIN BRANCH: MUGU LAGOON TO CENTRAL AVENUE ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R4 CALLEGUAS CREEK REACH 4 (WAS REVOLON SLOUGH MAIN BRANCH: MUGU LAGOON TO CENTRAL AVENUE ON 1998 303D LIST) Data Unavailable 2002 Toxicity
CA404.0260R CALLEGUAS R5 CALLEGUAS CREEK REACH 5 (WAS BEARDSLEY CHANNEL ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R5 CALLEGUAS CREEK REACH 5 (WAS BEARDSLEY CHANNEL ON 1998 303D LIST) Data Unavailable 2002 Toxicity
CA404.0260R CALLEGUAS R6 CALLEGUAS CREEK REACH 6 ( WAS ARROYO LAS POSAS REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R7 CALLEGUAS CREEK REACH 7 (WAS ARROYO SIMI REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R7 CALLEGUAS CREEK REACH 7 (WAS ARROYO SIMI REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable 2002 Organophosphorus Pesticides
CA404.0260R CALLEGUAS R8 CALLEGUAS CREEK REACH 8 (WAS TAPO CANYON REACH 1) Data Unavailable Unlisted but Impaired
CA404.0010R DUCK PND OX D DUCK POND AGRICULTURAL DRAINS/MUGU DRAIN/OXNARD DRAIN NO 2 Data Unavailable Unlisted but Impaired
CA404.0010R DUCK PND OX D DUCK POND AGRICULTURAL DRAINS/MUGU DRAIN/OXNARD DRAIN NO 2 Data Unavailable 1996, 1998, 2002 Sediment Toxicity
CA404.0260R CALLEGUAS R10 CALLEGUAS CREEK REACH 10 (CONEJO CREEK (HILL CANYON)-WAS PART OF CONEJO CRK REACHES 2 & 3, AND LOWER CONEJO CRK/ARROYO CONEJO N FK ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R10 CALLEGUAS CREEK REACH 10 (CONEJO CREEK (HILL CANYON)-WAS PART OF CONEJO CRK REACHES 2 & 3, AND LOWER CONEJO CRK/ARROYO CONEJO N FK ON 1998 303D LIST) Data Unavailable 2002 Toxicity
CA404.0260R CALLEGUAS R11 CALLEGUAS CREEK REACH 11 (ARROYO SANTA ROSA, WAS PART OF CONEJO CREEK REACH 3 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R11 CALLEGUAS CREEK REACH 11 (ARROYO SANTA ROSA, WAS PART OF CONEJO CREEK REACH 3 ON 1998 303D LIST) Data Unavailable 2002 Toxicity
CA404.0260R CALLEGUAS R12 CALLEGUAS CREEK REACH 12 (WAS CONEJO CREEK/ARROYO CONEJO NORTH FORK ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R13 CALLEGUAS CREEK REACH 13 (CONEJO CREEK SOUTH FORK, WAS CONEJO CR REACH 4 AND PART OF REACH 3 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R13 CALLEGUAS CREEK REACH 13 (CONEJO CREEK SOUTH FORK, WAS CONEJO CR REACH 4 AND PART OF REACH 3 ON 1998 303D LIST) Data Unavailable 2002 Toxicity
CA404.0260R CALLEGUAS R9A CALLEGUAS CREEK REACH 9A (WAS LOWER PART OF CONEJO CREEK REACH 1 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R9B CALLEGUAS CREEK REACH 9B (WAS PART OF CONEJO CREEK REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable Unlisted but Impaired
CA404.0260R CALLEGUAS R9B CALLEGUAS CREEK REACH 9B (WAS PART OF CONEJO CREEK REACHES 1 AND 2 ON 1998 303D LIST) Data Unavailable 2002 Toxicity

Top of page


Top of page

Jump to main content.