PERMIT RATIONALE FOR REISSUANCE
Dennis Pierce Inc, Crossland Road Subdivision
Lamar County
Sumrall, Mississippi
Water NPDES No. MS0056413
June 9, 2025

I.	CLASSIFICATION – Commercial NPDES 

II.	DESCRIPTION OF WASTEWATER – Domestic Wastewater

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated biologically by means of an aerated lagoon followed by disinfection.  No increase in treated effluent flow is proposed within the application.  

IV.	RECEIVING WATERS – Unnamed tributary of Tick 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 current State of Mississippi 303(d) list of evaluated or impaired waterbodies.  Only one discharge to surface waters is described within the application with no increase in treated effluent flow proposed.  

V.	APPLICABLE GUIDELINES – 11 Miss. Admin Code pt. 6, Commercial (Domestic) Guidelines

VI.	SUMMARY OF LIMITATIONS –
Parameter			Value					Basis
Flow				0.0432 MGD				Design
BOD5				30 mg/l (Yearly Avg.)			Domestic Guidelines
	TSS					60 mg/l (Yearly Avg.)			Technology
	E. Coli					126 Col./100 ml			MSWQS
	Chlorine, Total Residual	0.1 – 1.0 mg/l 			Domestic Guidelines
	pH					6.0 – 9.0 SU			MSWQS