PERMIT RATIONALE FOR REISSUANCE
Hinds Community College
Hinds County
Utica, Mississippi
Water NPDES No. MS0056685
September 15, 2025

I.	CLASSIFICATION –Commercial NPDES Minor 

II.	DESCRIPTION OF WASTEWATER – Domestic Wastewater

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated via a conventional lagoon followed by disinfection.  No increase in flow is proposed within the application.  

IV.	RECEIVING WATERS – White Oak Creek.  The receiving water is located within the South Independent Streams Basin, and is classified as Fish and Wildlife.  White Oak Creek does appear on the current State of Mississippi 303(d) list of impaired waterbodies for aquatic life support due to biological impairment. This permit can be reopened and modified if a completed TMDL requires additional or more stringent monitoring based on the listed impairment. The discharge is listed in a pathogen TMDL. The permittee complies with the TMDL by disinfecting the effluent to comply with State criteria for pathogens.

V.	APPLICABLE GUIDELINES – 11 MS admin code part 6, Commercial Facility Guidelines (Technology)

VI.	SUMMARY OF LIMITATIONS –
Parameter			Value					Basis
Flow				0.055 MGD				Design
BOD5 				30 mg/l (Maximum Monthly Average)	WLA
BOD (Percent Removal)	65% Minimum				Previous Permit
Minimum DO			6 mg/l					Previous Permit
TSS				90 mg/l (Maximum Monthly Average)	Technology
NH3-N				2 mg/l	(Maximum Monthly Average)	WLA
E. Coli				126 Col./100 ml				Admin code
Chlorine			0.011mg/l / 0.19 mg/l			WLA
pH				6.0 – 9.0 SU				Admin code
Total Nitrogen			Report lbs/day				WLA
Total Phosphorus		Report lbs/day				WLA