PERMIT RATIONALE FOR REISSUANCE
Mississippi Department of Wildlife Fisheries and Parks, 
Wall Doxey State Park
Marshall County
Holly Springs, Mississippi
Water NPDES No. MS0028177
April 1, 2013

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 thence an activated sludge system.  

IV.	RECEIVING WATERS –  Little Spring Creek.  Little Spring Creek does not appear the current 303(d) List of Impaired Waterbodies.  This waterbody is in the Yazoo River drainage basin. Little Spring Creek is classified as Fish and Wildlife.  One discharge to surface waters is described within the application with no increase in flow proposed. The discharge from this facility should not further impair water quality.

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

VI.	SUMMARY OF DISCHARGE LIMITATIONS – 

Parameter		Value					Basis
Flow			0.05 MGD				Design
BOD			30 mg/l (Yearly Average)		Domestic Guidelines
TSS			30 mg/l (Yearly Average)		Domestic Guidelines
Fecal Coliform	200 Col./100mL (Yearly Average)	Domestic Guidelines
Effluent pH		6.0 to 9.0 S.U.				MS WQS
Chlorine		0.1 to 1.0 mg/l				MS WQS
	
The minimum and maximum values for Influent ph, Dissolved Oxygen in aeration unit, and 30-Minute Sludge Settleability in aeration unit must be reported