PERMIT RATIONALE FOR REISSUANCE
Massengill and Turner LLC, Crestview Subdivision
Lee County
Saltillo, Mississippi
Water NPDES No. MS0058408
June 2018

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 prior to discharge.  Only one discharge to surface waters is described within the application with no increase in treated effluent flow proposed.  

IV.	RECEIVING WATERS – Unnamed creek thence into Euclatubba Creek.  The receiving waters are located within the Tombigbee River Basin and are classified as Fish and Wildlife.  At the point of discharge, the receiving stream does not appear on the current State of Mississippi 303(d) List of Evaluated or Impaired Waterbodies, nor does the discharge appear on a completed Total Maximum Daily Load (TMDL). 

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

VI.	SUMMARY OF LIMITATIONS –
	Parameter				Value	 	Basis
	Flow					0.05 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 		Admin Code
	pH					6.0 – 9.0 		Admin Code

VII.	CHANGES FROM PREVIOUS PERMIT –

E. coli has replaced fecal coliform as the bacterial indicator for all freshwaters in Mississippi designated as Recreation, Fish and Wildlife Support, and/or Public Water supply.