PERMIT RATIONALE FOR REISSUANCE
Lauderdale County School District, Northeast High School
Lauderdale County
Meridian,, Mississippi
Water NPDES No. MS0049689
October 30, 2023

I.	CLASSIFICATION – Domestic NPDES

II.	DESCRIPTION OF WASTEWATER – Minor Domestic

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is treated via a 1-cell lagoon. 

IV.	RECEIVING WATERS – Tributary of Chickasawhay River. Neither waterbody appears on the updated State of Mississippi 303(d) List of Impaired Waterbodies. The discharge is listed in a completed TMDL, but the facility disinfects which complies with the TMDL. This waterbody is in the Pascagoula River drainage basin, and is classified as Fish & Wildlife. The discharge from this facility should not further impair water quality.  

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

VI.	SUMMARY OF DISCHARGE LIMITATIONS – 
Parameter		Value					Basis
Flow			0.028 MGD				Design
BOD			30 mg/l (Monthly Average)		Domestic Guidelines
TSS			90 mg/l (Monthly Average)		Domestic Guidelines
E. Coli			126 Col./100mL			TMDL
Effluent pH		6.0 to 9.0 S.U.				Admin. Code
Chlorine		0.1 to 1.0 mg/l				Admin. Code