PERMIT RATIONALE FOR REISSUANCE
Mississippi Department of Wildlife Fisheries and Parks, Hugh White State Park, Carver Point
Grenada County
Grenada, Mississippi
Water NPDES No. MS0034061
January 12, 2018

I.	CLASSIFICATION – Domestic NPDES

II.	DESCRIPTION OF WASTEWATER – Minor Domestic

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

IV.	RECEIVING WATERS – Grenada Lake. The receiving stream is located in the Yazoo River drainage basin and is classified as Recreation.  Grenada Lake does not appear on the current 303(d) List of Impaired Waterbodies. Grenada Lake also does not appear with any TMDL. This discharge is and existing source with no proposed increase in discharge flow, therefore the facility will not impair water quality.  

V.	APPLICABLE GUIDELINES – State of Mississippi Wastewater Regulations (WPC-1),  State of Mississippi Water Quality Criteria (WPC-2), Commercial Facility Guidelines

VI.	SUMMARY OF DISCHARGE LIMITATIONS – 

Parameter		Value					Basis
Flow			0.004 MGD				Design
BOD			30 mg/l (Yearly Average)		Domestic Guidelines
TSS			60 mg/l (Yearly Average)		Domestic Guidelines
E. Coli			126 Col./100mL (Yearly Average)	Domestic Guidelines
pH			6.0 to 9.0 S.U.				MS WQC
Chlorine		0.1 to 1.0 mg/l				Domestic Guidelines

E. Coli will now be the bacterial indicator used for all freshwaters in MS designated as Recreation, Fish and Wildlife Support, and /or Public Water supply (replacing the use of fecal coliform).