PERMIT RATIONALE FOR REISSUANCE
Great River Utility Operating Company LLC, Carters Plantation Subdivision
Desoto County
Olive Branch, Mississippi
Water NPDES No. MS0055280
August 21, 2025

I.	CLASSIFICATION – NPDES Commercial

II.	DESCRIPTION OF WASTEWATER – Domestic

III.	   DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated via aerated lagoon prior to discharge.

IV.	RECEIVING WATERS – unnamed creek thence into Camp Creek. The receiving waters are located in the Yazoo River drainage basin and are classified as Fish and Wildlife. The receiving stream does not appear on the current State of Mississippi 303(d) List of Impaired Waterbodies. The permit complies with the following applicable Total Daily Maximum Load (TMDLs):

•	Biological Impairment due to Ammonia Toxicity, Total Nitrogen, Total Phosphorous and Organic Enrichment/Low Dissolved Oxygen in Camp Creek in DeSoto county (ID# 908063009; June 2008).
•	Total Nitrogen and Total Phosphorus for Selected Large Rivers in the (ID# 908063054; June 2008).

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

VI.	SUMMARY OF DISCHARGE LIMITATIONS – 

	Parameter				Value		Basis
	Flow					0.02 MGD		Design
	BOD					30 mg/l 		Technology
	TSS 					60 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		6.0 mg/l		MSWQS
	Ammonia Nitrogen		2 mg/l		TMDL
	Total Nitrogen			1.92 lbs/day		TMDL
	Total Phosphorus		0.29 lbs/day		TMDL