Title: PERMIT RATIONALE
Author: Preferred Customer
Last saved by: Sandeepa Gill
Company: Dell Computer Corporation

PERMIT RATIONALE FOR REISSUANCE
Brooksville POTW
Noxubee County
Brooksville, Mississippi
Water NPDES No. MS0033596
April 23, 2024

I.	CLASSIFICATION – Municipal NPDES Minor

II.	DESCRIPTION OF WASTEWATER – Domestic Wastewater

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated biologically by means of an aerated lagoon followed by rock/reed filter.  No increase in treatment capacity is proposed within the application.  

IV.	RECEIVING WATERS – Joe’s Creek.  The receiving stream is located within the Tombigbee River Basin and is classified as Fish and Wildlife.  At the point of discharge the receiving stream does not appear on the current State of Mississippi 303(d) list of evaluated or impaired waterbodies.  A TMDL has been conducted for this receiving stream and the new limitations have been phased to this reissuance. Only one discharge to surface waters is described within the application with no increase in flow proposed.  

V.	APPLICABLE GUIDELINES – State of Mississippi Wastewater Regulations, 11 MS admin code part 6

VI.	SUMMARY OF LIMITATIONS –
Parameter			Value				Basis
Flow				0.24 MGD			Design
BOD_5				5 mg/l				Modeled
NH_3-N			    	  1 mg/l			WLA
TSS				30 mg/l (Yearly Avg.)		Technology
Dissolved Oxygen		> 6.0 mg/l 			MSWQS
E. Coli				126 Col./100 ml		MSWQS
Chlorine, Total Residual 	0.011 mg/l			MSWQS
pH				6.0 – 9.0 SU			MSWQS
Total Nitrogen			Report (lbs/day)		WLA
Total Phosphorus		Report (lbs/day)		WLA

13039 PER20240001