PERMIT RATIONALE FOR REISSUANCE
Tate County School District, East Tate Elementary School
Tate County
Coldwater, Mississippi
Water NPDES No. MS0051217
March 2023

I.	CLASSIFICATION – Commercial NPDES Minor

II.	DESCRIPTION OF WASTEWATER – Domestic Wastewater

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated by septic tank and sand bed filter.  No increase in effluent flow is proposed within the application.  	

IV.	RECEIVING WATERS – Unnamed tributary of Hickahala Creek.  The receiving stream is located within the Yazoo River Basin and is classified as Fish and Wildlife.  At the point of discharge, the receiving stream does not appear on the updated State of Mississippi 303(d) list of evaluated or impaired waterbodies.  Only one discharge to surface waters is described within the application with no increase in flow proposed.  

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

VI.	SUMMARY OF LIMITATIONS –
	Parameter				Value		Basis
	Flow					0.012 MGD		Design
	BOD5					30 mg/l 		Domestic Guidelines
	TSS					30 mg/l 		Technology Based
	E. Coli					126 Col./100 ml		MSWQS
	Chlorine, Total Residual	0.1 – 1.0 mg/l 		Domestic Guidelines
	pH					6.0 – 9.0 SU		MSWQS

All previously permitted parameters have remained the same in the reissuance.