PERMIT RATIONALE FOR REISSUANCE
Thurman Trailer Park
Jefferson Davis County
Carson, Mississippi
Water NPDES No. MS0044334
5/16/23

I.	CLASSIFICATION – Commercial NPDES 

II.	DESCRIPTION OF WASTEWATER – Domestic Wastewater

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated by means of a conventional lagoon.  No increase in treatment capacity is proposed within the application for the existing discharge.  

IV.	RECEIVING WATER – Unnamed tributary of Holiday Creek.  The receiving waters are located within the Pearl River Basin and are classified as Fish and Wildlife.  The receiving stream does appear on the current State of Mississippi 303(d) list of evaluated or impaired waterbodies. A future TMDL based on the impairment may result in new or a reduction in limitations. 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, 11 Admin Code Part 6 Chapter 1 

VI.	SUMMARY OF LIMITATIONS – 

Parameter 				Value		Basis
Flow					0.006 MGD		Design
BOD5					30 mg/l (Yearly Average)	Domestic Guidelines
TSS					90 mg/l (Yearly Average)	Technology
E. Coli					126 Col./100 ml		MSWQS
Chlorine, Total Residual	0.1 – 1.0 mg/l 		Domestic Guidelines
pH					6.0 – 9.0 Su		MSWQS

VII.	CHANGES FROM PREVIOUS PERMIT

None