PERMIT RATIONALE FOR REISSUANCE
Lynn Hewlett, Taylor Grocery
Lafayette County
Taylor, Mississippi
Water NPDES No. MS0055450
September 18, 2018

I.	FACILITY INFORMATION

Facility Name:  Lynn Hewlett, Taylor Grocery
Facility Address:  4A First Street, Taylor, Mississippi 38673    
Permit No.:  MS0055450 (NPDES Minor Industrial)
SIC:  5812 (Eating Places)
Permit Writer:  Sherryl Couch
EPD Branch:  Water II

II.	NATURE OF BUSINESS

Lynn Hewlett, Taylor Grocery’s operations include restaurant services.  The wastewater effluent will contain domestic sanitary effluent from on-site building.

III.	EFFLUENT AND RECEIVING STREAM FLOW DATA

Effluent from domestic sanitary is treated and through Outfall 001 is discharged to an unnamed tributary of Taylor Creek.  (Located in the Yazoo River drainage basin.)  (Not specifically listed/designated; therefore, classified as Fish and Wildlife.)

IV.	TOTAL MAXIMUM DAILY LOAD AND 303(d) ISSUES

None, per the 2016 Section 303(d) list of impaired water bodies.

V.	TYPE OF WASTEWATER TREATMENT:

Domestic wastewater is collected and treated biologically by means of a 1000 gallon capacity aerobic treatment unit.  No increase in treatment capacity is proposed within the application.

VI.	EPA APPLICABLE CATEGORICAL GUIDELINES

Not applicable.

VII.	DATA FROM APPLICATION SHORT FORM D

A Short Form D was utilized; thus, no detailed data is provided.

VIII.	WATER QUALITY LIMITATIONS BASED ON WASTELOAD ALLOCATION 

Not applicable.

IX.	CATEGORICAL GUIDELINE LIMITATIONS CALCULATIONS

Not applicable.

X.	TOXICITY SCREENING

Not applicable.

XI.	PROPOSED FINAL LIMITATIONS

1.	Average Permit Limitations:  Outfall 001

Parameter	Categorical Limitation	Water Quality Limitation	Present Permit Limitation	Proposed Permit Limitation	Basis	
BOD5 (mg/l)	-----	-----	30	30	Domestic Guidelines	
TSS (mg/l)	-----	-----	30	30	Domestic Guidelines	
E.coli (# of colonies per 100 ml)	-----	126	-----	126	WQC	
Chlorine, Total Residual (mg/l) (min)	-----	-----	0.1	0.1	Domestic Guidelines	
pH (S.U.) (min)	-----	6.0	6.0	6.0	WQC	
Flow (MGD)	-----	-----	0.001	0.001	BTJ	

2.	Maximum Permit Limitations:  Outfall 001

Parameter	Categorical Limitation	Water Quality Limitation	Present Permit Limitation	Proposed Permit Limitation	Basis	
BOD5 (mg/l)	-----	-----	45	45	Domestic Guidelines	
TSS (mg/l)	-----	-----	45	45	Domestic Guidelines	
E.coli (# of colonies per 100 ml)	-----	410	-----	410	WQC	
Chlorine, Total Residual (mg/l)	-----	-----	1.0	1.0	Domestic Guidelines	
pH (S.U.)	-----	9.0	9.0	9.0	WQC	
Flow (MGD)	-----	-----	-----	-----	BTJ	
WQC: Water Quality Criteria; BTJ: Best Technical Judgement

Annual monitoring for the outfall is required.

XII.	BTJ STATEMENT

It is our judgement that the foregoing limitations represent best technical judgement.