TMDL Document for TOTAL MAXIMUM DAILY LOADS FOR TOTAL NITROGEN, TOTAL PHOSPHORUS, AND ORGANIC ENRICHMENT/LOW DISSOLVED OXYGEN IN JOHNSON CREEK,YAZOO RIVER BASIN, MISSISSIPPI

TMDL ID:	35442	TMDL Name:	TOTAL MAXIMUM DAILY LOADS FOR TOTAL NITROGEN, TOTAL PHOSPHORUS, AND ORGANIC ENRICHMENT/LOW DISSOLVED OXYGEN IN JOHNSON CREEK,YAZOO RIVER BASIN, MISSISSIPPI
State/Tribe:	Mississippi	TMDL Date:	05/05/2008
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: Biochemical Oxygen Demand (BOD)

Total Waste Load Allocation:	225.06		Total Load Allocation:	7.66
Explicit Margin Of Safety:			Implicit Margin Of Safety:	Y
Units for Total Waste Load Allocation and Total Load Allocation:	LBS/DAY		TMDL Pollutant Source Type:	Point/Nonpoint Source
TMDL End Point:	BOD LOAD TO ACHIEVE THE 5.0 MG/L DAILY AVERAGE DISSOLVED OXYGEN WATER QUALITY STANDARD UNDER CRITICAL LOW FLOW CONDITIONS

NPDES Allocation for Pollutant: Biochemical Oxygen Demand (BOD)
NPDES ID	Other Non PCS Identification	Waste Load Allocation	Units
	MS0029467	31.5	LBS/DAY
	MS0034118	140.3	LBS/DAY
	MS0031925	1.26	LBS/DAY
	MS0046841	20.5	LBS/DAY
	MS0022543	31.5	LBS/DAY

Listed Water Causes of Impairment for Biochemical Oxygen Demand (Bod) 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
MS311E	JOHNSON CREEK	Data Unavailable	1996, 1998	Organic Enrichment/Low Dissolved Oxygen

Top of page

---

TMDL Pollutant: Nitrogen, Total

Total Waste Load Allocation:	135.4		Total Load Allocation:	186
Explicit Margin Of Safety:			Implicit Margin Of Safety:	Y
Units for Total Waste Load Allocation and Total Load Allocation:	LBS/DAY		TMDL Pollutant Source Type:	Point/Nonpoint Source
TMDL End Point:	INTERPRETATION OF A NARRATIVE WATER QUALITY STANDARD USING AN ECOREGION BASED WATERSHED ANNUAL AVERAGE INSTREAM CONCENTRATION VALUE OF 1.05 MG/L TN

NPDES Allocation for Pollutant: Nitrogen, Total
NPDES ID	Other Non PCS Identification	Waste Load Allocation	Units
	MS0022543	15.3	LBS/DAY
	MS0029467	15.3	LBS/DAY
	MS0034118	67.9	LBS/DAY
	MS0031925	2.2	LBS/DAY
	MS0046841	34.7	LBS/DAY

Listed Water Causes of Impairment for Nitrogen, Total 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
MS311E	JOHNSON CREEK	Data Unavailable	1996, 1998	Nutrients

Top of page

---

TMDL Pollutant: Phosphorus, Total

Total Waste Load Allocation:	13.8		Total Load Allocation:	32.1
Explicit Margin Of Safety:			Implicit Margin Of Safety:	Y
Units for Total Waste Load Allocation and Total Load Allocation:	LBS/DAY		TMDL Pollutant Source Type:	Point/Nonpoint Source
TMDL End Point:	INTERPRETATION OF A NARRATIVE WATER QUALITY STANDARD USING AN ECOREGION BASED WATERSHED AN ANNUAL AVERAGE INSTREAM CONCENTRATION VALUE OF 0.16 MG/L TP

NPDES Allocation for Pollutant: Phosphorus, Total
NPDES ID	Other Non PCS Identification	Waste Load Allocation	Units
	MS0022543	1.5	LBS/DAY
	MS0029467	1.5	LBS/DAY
	MS0034118	6.8	LBS/DAY
	MS0031925	.2	LBS/DAY
	MS0046841	3.7	LBS/DAY

Listed Water Causes of Impairment for Phosphorus, Total 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
MS311E	JOHNSON CREEK	Data Unavailable	1996, 1998	Nutrients

Top of page

---