PERMIT RATIONALE FOR REISSUANCE
East Oxford Utilities LLC
Lafayette County
Oxford,, Mississippi
Water NPDES No. MS0060810
10/29/2025

I.	CLASSIFICATION – NPDES Commercial

II.	DESCRIPTION OF WASTEWATER – Domestic

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated via an activated sludge system 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. 

IV.	RECEIVING WATERS – Unnamed tributary of Yellow Leaf 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 not appear on the current State of Mississippi 303(d) List of Impaired Waterbodies, nor does the discharge appear on a completed Total Maximum Daily Load (TMDL).

V.	APPLICABLE GUIDELINES – 11 Mississippi Admin Code pt. 6, Commercial Facility Guidelines (Technology), State of Mississippi Water Quality Criteria (MSWQS), Wasteload Allocation (WLA)

VI.	SUMMARY OF DISCHARGE LIMITATIONS – 

Parameter		Value				Basis
Flow			0.075 MGD		Design
BOD			20 mg/l 			WLA
TSS 			30 mg/l 			Technology
E. coli			126 Col./100mL 	MSWQS
pH			6.0 to 9.0 S.U.	MSWQS
Chlorine		0.1 to 1.0 mg/l	Technology

Dissolved oxygen in the aeration basin, 30- minute sludge settleability in the aeration basin, and influent pH must also be reported.

VII.	CHANGES FROM PREVIOUS PERMIT – 

No changes from previous permit.