PERMIT RATIONALE FOR REISSUANCE
Wayne County School District, Buckatunna Elementary
Wayne County
Buckatunna, Mississippi
Water NPDES No. MS0038784
March 7, 2023

I.	CLASSIFICATION – NPDES Commercial

II.	DESCRIPTION OF WASTEWATER – Domestic

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated biologically by means of an aerated lagoon followed by chlorine disinfection proper to discharge.  Only one discharge to surface waters is described in the application with no increase in treated effluent flow proposed.  

IV.	RECEIVING WATERS – Unnamed tributary of Buckatunna creek.   The receiving waters are located within the Pascagoula River Basin and are classified as Fish and Wildlife.  At the point of discharge, the receiving stream does not appear on the most recent State of Mississippi 303(d) list of evaluated or impaired waterbodies.  The discharge is listed in the Total Maximum Daily Load (TMDL) for Nutrients (Organic Enrichment, Total Phosphorus and Ammonia Toxicity) in the Chickasawhay River (June 2005). This TMDL does not require any reduction to the current permitted limitations or the addition of new monitoring parameters.  The discharge also appears on a TMDL for Fecal Coliform in the Chickasawhay River (December 1999). The facility utilizes chlorine disinfection, which complies with the conditions of the TMDL. 

V.	APPLICABLE GUIDELINES – 11 Mississippi Admin Code pt. 6, Commercial Facility Guidelines (Technology) 

VI.	SUMMARY OF LIMITATIONS –
Parameter				Value				Basis
Flow					0.0075 MGD 			Design
BOD5					30 mg/l			Technology
TSS					60 mg/l 			Technology
E. coli					126 Col./100 ml		Admin Code
Chlorine, Total Residual		0.1 – 1.0 mg/l			Technology
pH					6.0 – 9.0 SU			Admin Code

VII.	CHANGES FROM PREVIOUS PERMIT – 

None