PERMIT RATIONALE FOR REISSUANCE
Greys Mobile Home Park LLC
Warren County
Vicksburg, Mississippi
Water NPDES No. MS0041599
5/15/23

I.	CLASSIFICATION – NPDES Commercial

II.	DESCRIPTION OF WASTEWATER – Domestic

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated via a conventional lagoon followed by chlorine disinfection prior to discharge. Only one discharge is described in the application with no increase in treated effluent flow proposed.

IV.	RECEIVING WATERS – Unnamed creek thence into Cooks Bayou. The receiving waters are located within the Big Black River 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, and the discharge does not appear on a completed Total Maximum Daily Load (TMDL).

V.	APPLICABLE GUIDELINES – 11 Mississippi Admin Code pt. 6, Commercial Facility Guidelines (Technology)

VI.	SUMMRAY OF DISCHARGE LIMITATIONS - 

Parameter		Value					Basis
Flow			0.005 MGD			Design
BOD			30 mg/l 				Technology
TSS			90 mg/l 				Technology
E. coli			126 Col./100ml		Admin Code
pH	6.0 to 9.0 S.U.				Admin Code
Chlorine	0.1 to 1.0 mg/l				Technology

VII.	CHANGES FROM PREVIOUS PERMIT – 

None