PERMIT RATIONALE FOR REISSUANCE
Kathy Whitehead, dba Cowboy Jim’s 
Covington County
Prentiss, Mississippi
Water NPDES No. MS0043788
March 5, 2019

I.	CLASSIFICATION

Commercial NPDES Minor

II.	DESCRIPTION OF WASTEWATER

Domestic Wastewater

III.	DESCRIPTION OF WASTEWATER TREATMENT

Domestic Wastewater is collected and treated via an aerobic treatment unit. No increase in flow is proposed within the application. 

IV.	RECEIVING WATERS

Bouie/Bowie River. At the point of discharge the receiving stream does not appear on the updated 2018 State of Mississippi 303(d) List of Impaired Waterbodies. The facility is identified in a completed Fecal Coliform TMDL for Bowie Creek and the Leaf River, but the TMDLs do not require permit limits as long as the effluent is disinfected to meet water quality standards for fecal coliform bacteria. The facility disinfects and has MS water quality permit limits for bacteria in the form of E. Coli., which complies with the TMDL. The receiving water is located in the Pascagoula River Basin, and is classified as Fish & Wildlife. 

V.	APPLICABLE GUIDELINES

State of Mississippi Wastewater Regulations (11 Miss. Admin. Code Pt. 6, Ch. 1.), State of Mississippi Water Quality Criteria (11 Miss. Admin. Code Pt. 6, Ch. 2.), Commercial Facility Guidelines (Technology)

VI.	SUMMARY OF DISCHARGE LIMITATIONS 

Parameter			Limitation				Basis
Flow				0.0006 MGD (Max. Monthly Avg.)		Design
BOD5				30 mg/l (Max. Monthly Avg.)			Technology
TSS				30 mg/l (Max. Monthly Avg.)			Technology
E. Coli				126 Col./100ml (Max. Monthly Avg.)		11 Miss. Admin. Code Pt. 6, Ch. 2.
Dissolved Oxygen		6.0 mg/l (Min.)				11 Miss. Admin. Code Pt. 6, Ch. 2. Chlorine, Total Residual		0.1 – 1.0 mg/l (Min. – Max.)			Technology
pH				6.0 – 9.0 SU (Min. – Max.)				11 Miss. Admin. Code Pt. 6, Ch. 2.