PERMIT RATIONALE FOR REISSUANCE
South Meridian Apartments
Lauderdale County
Meridian, Mississippi
Water NPDES No. MS0035611
November 14, 2023

I.	CLASSIFICATION – Domestic NPDES

II.	DESCRIPTION OF WASTEWATER – Minor Domestic

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated via a conventional lagoon.  

IV.	RECEIVING WATERS –  Unnamed creek thence into Dry Creek.  Dry Creek does appear on the updated current 303(d) List of Impaired Waterbodies.  The discharge is also included in a completed TMDL for Pathogens. The facility utilizes chlorine disinfection, and complies with the TMDL. 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.  This waterbody is in the Pascagoula River drainage basin.  Dry Creek is classified as Fish and Wildlife.

V.	APPLICABLE GUIDELINES – 11 Mississippi Admin. Code pt. 6 (Admin. Code), Total Maximum Daily Load (TMDL), and Municipal Facility Guidelines (Technology).

V.	SUMMARY OF DISCHARGE LIMITATIONS – 

Parameter		Value					Basis
Flow			0.01 MGD				Design
BOD			30 mg/l (Yearly Average)		Admin. Code
TSS			90 mg/l (Yearly Average)		Admin. Code
E. Coli 		126 Col./100mL (Yearly Average)	TMDL
Effluent pH		6.0 to 9.0 S.U.				Admin. Code
Chlorine		0.1 to 1.0 mg/l				Admin. Code