PERMIT RATIONALE FOR REISSUANCE
Yazoo County School District, Yazoo County High School
Yazoo County
Yazoo City, Mississippi
Water NPDES No. MS0050261
June 2024

I.	FACILITY INFORMATION

Facility Name:  Yazoo County School District, Yazoo County High School
Facility Address:  94 Panther Drive 
Yazoo City, MS  39194    
Yazoo City, 
Permit No.:  MS0050261
SIC:  8211
Permit Writer:  Christiana Boren
EPD Branch:  Municipal and Private Facilities

II.	CLASSIFICATION – NPDES Commercial

III.	DESCRIPTION OF WASTEWATER – Domestic

IV.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated via an aerated lagoon followed by chlorine disinfection prior to discharge. Only one discharge to surface waters is described within the application with no increase in treated effluent flow proposed. 

V.	RECEIVING WATERS – Unnamed tributary of Short Creek. The receiving waters are located in the Yazoo River drainage basin and are classified as Fish and Wildlife. At the point of discharge, the receiving stream does appear on the current State of Mississippi 303(d) List of Impaired Waterbodies. The discharge also appears on a completed Total Maximum Daily Load (TMDL) for Pathogens in the Yazoo River (June 2003). The facility utilizes chlorine disinfection, which complies with the TMDL.

VI.	APPLICABLE GUIDELINES – 11 Mississippi Admin Code pt. 6, Commercial Facility Guidelines (Technology)

VII.	SUMMARY OF DISCHARGE LIMITATIONS – 

Parameter		Value				Basis
Flow			0.015 MGD		Design
BOD			30 mg/l 				Technology
TSS 			60 mg/l 				Technology
	E. coli			126 Col./100mL 	Admin Code
pH			6.0 to 9.0 S.U.	Admin Code
Chlorine		0.1 to 1.0 mg/l	Admin Code

VIII.	CHANGES FROM PREVIOUS PERMIT – None.