PERMIT RATIONALE FOR REISSUANCE
Great River Utility Operating Company, High Forest Subdivision
Lee County
Tupelo, Mississippi
Water NPDES No. MS0047830
February 2023

I.	CLASSIFICATION – NPDES Commercial

II.	DESCRIPTION OF WASTEWATER – Domestic

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

IV.	RECEIVING WATERS – Unnamed creek thence into Reed’s Branch.  The receiving waters are located within the Tombigbee 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.  The discharge does appear on a completed Total Maximum Daily Load (TMDL) for Fecal Coliform in Town Creek (June 2002). The facility utilizes chlorine disinfection, which complies with the conditions of the TMDL. 

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

VI.	SUMMARY OF LIMITATIONS – 

Parameter			Value		Basis
Flow				0.01 MGD		Design
BOD5				30 mg/l 		Technology
TSS				90 mg/l 		Technology
E. coli				126 Col./100 ml		Admin Code
Chlorine, Total Residual 	0.1 – 1.0 mg/l		Admin Code
pH 				6.0 – 9.0 SU		Admin Code