PERMIT RATIONALE FOR REISSUANCE
Short Coleman Surface Water Treatment Plant
Tishomingo County
Iuka, Mississippi
Water NPDES No. MS0062502
October 30, 2025

I.	CLASSIFICATION – NPDES Industrial

II.	DESCRIPTION OF WASTEWATER – Treated, filtered, industrial backwash water

III.	DESCRIPTION OF WASTEWATER TREATMENT – The wastewater is filter backwash from a coagulation/filtration system used to treat raw surface water.

IV.	RECEIVING WATERS – An unnamed tributary of Yellow Creek.  Neither waterbody appears on the updated 303(d) List of Impaired Waterbodies.  These waterbodies are located in the Tennessee River basin, and are both classified as Fish and Wildlife.  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.

V.	APPLICABLE GUIDELINES – 11 MS Admin Code Pt 6, Industrial Facility Guidelines (Technology), MS Water Quality Standards

VI.	CHANGES FROM PREVIOUS PERMIT – None

VII.	SUMMARY OF LIMITATIONS –

Parameter			Flow				Basis
Chlorine, Total Residual	0.011 mg/L			Technology 
Flow				Report, MGD			Design
Iron				1.0 mg/L			MS WQS
TSS				30 mg/L			Technology
pH				6.0 – 9.0 SU			MS WQS