PERMIT RATIONALE FOR REISSUANCE
University Of Mississippi, University of Mississippi Field Station
Lafayette County
Abbeville, Mississippi
Water NPDES No. MS0052205
April 23, 2013

I.	CLASSIFICATION – Commercial NPDES

II.	DESCRIPTION OF WASTEWATER – Domestic Wastewater

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated by via a rock/reed system.  No increase in treatment capacity is proposed within the application.

IV.	RECEIVING WATERS – Bay Springs Branch thence into Puskus Creek. The receiving waters are located within the Yazoo 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. Only one discharge to surface waters is described within the application with no increase in flow proposed.

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

VI.	SUMMARY OF LIMITATIONS – 

Parameter				Value		Basis
Flow					0.02 MGD		Design
BOD5					30 mg/l (Monthly Avg)	Domestic Guidelines
TSS					30 mg/l (Monthly Avg)	Technology
Fecal Coliform			200 Col./100ml		MSWQS
Chlorine				0.1 – 1.0 mg/l		Domestic Guidelines
 pH					6.0 – 9.0 SU		MSWQS