PERMIT RATIONALE FOR REISSUANCE
Marshall County School District, Galena Attendance Center
Marshall County
Holly Springs, Mississippi
Water NPDES No. MS0034584
August 2023

I.	CLASSIFICATION – Commercial NPDES

II.	DESCRIPTION OF WASTEWATER – Minor Domestic

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater from Galena Attendance Center is collected and treated by septic tanks, sand filters, and a tablet chlorinator prior to discharge. 

IV.	RECEIVING WATERS – An Unnamed Tributary of Cuffawa Creek. The tributary and Cuffawa Creek are in the Yazoo River drainage basin, and are classified as Fish & Wildlife. Neither waterbody appears on the current State of Mississippi 303(d) List of Impaired Waterbodies. The discharge is included in a completed TMDL for Pathogens. The facility disinfects, which complies with the TMDL. 

V.	APPLICABLE GUIDELINES – 11 MS Admin Code pt. 6, Domestic Guidelines

VI.	SUMMARY OF DISCHARGE LIMITATIONS – 
Parameter		Value					Basis
Flow			0.005 MGD			Design
BOD5			30 mg/l (Monthly Average)		Domestic Guidelines
TSS			30 mg/l (Monthly Average)		Domestic Guidelines
E. Coli 		126 col/100ml		Domestic Guidelines
pH			6.0 – 9.0 S.U.		MSWQS
Chlorine, Total 	0.1 – 1.0 mg/l		Domestic Guidelines