PERMIT RATIONALE FOR REISSUANCE
Great River Utility Operating Company LLC, Trace Subdivision, The
Warren County
Vicksburg,, Mississippi
Water NPDES No. MS0057428
October 2025

I.	CLASSIFICATION – Commercial NPDES

II.	DESCRIPTION OF WASTEWATER – Domestic wastewater

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated by means of a conventional lagoon prior to discharge. No increase in permitted flow is proposed within the application. 

IV.	RECEIVING WATERS – Hatcher Bayou. At the point of discharge the receiving stream does not appear on the current State of Mississippi 303(d) List of Impaired Waterbodies. The facility is not mentioned in any completed TMDL’s. This receiving stream is located in the Big Black River drainage basin, and is classified as Fish & Wildlife.

V.	APPLICABLE GUIDELINES – 11 Mississippi Admin Code Pt. 6 Ch. 1, State of Mississippi Water Quality Criteria (MSWQS), Commercial Facility Guidelines (Technology)

VI.	SUMMARY OF DISCHARGE LIMITATIONS - 
Parameter			Value			Basis
Flow				0.028 MGD			Design
BOD5				30 mg/l (Monthly Average)		Technology
TSS				90 mg/l (Monthly Average)		Technology
E. Coli				126 Col./100ml			MSWQS
pH				6.0 – 9.0 S.U.			MSWQS
Chlorine			0.1 – 1.0 mg/l			MSWQS