PERMIT RATIONALE FOR REISSUANCE
R D Mobile Home Park
Forrest County
Barrontown, Mississippi
Water NPDES No. MS0040070
November 2023

I.	CLASSIFICATION – Domestic NPDES Minor

II.	DESCRIPTION OF WASTEWATER – Domestic Wastewater 

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater is collected and treated by means of a conventional lagoon. No increase in flow is proposed within the application. 

IV.	RECEIVING WATERS – Unnamed Tributary of Third Creek. The receiving waters are located within the Pascagoula River Basin and are classified as Fish & Wildlife. At the point of discharge the receiving stream does not appear on the current State of Mississippi 303(d) List of Impaired Waterbodies. The discharge is listed on a Fecal Coliform TMDL for Tallahala Creek, which the facility complies with via disinfection. 

V.	APPLICABLE GUIDELINES – 11 MS Admin Code pt. 6

VI.	SUMMARY OF DISCHARGE LIMITATIONS – 
Parameter			Value			Basis
Flow 				0.01 MGD			Design
BOD5				30 mg/l (Monthly Average)		Domestic Guidelines
TSS				90 mg/l (Monthly Average)		Domestic Guidelines
E. Coli				126 Col./100ml (Monthly Average)	Domestic Guidelines
Chlorine, Total Residual	0.1 – 1.0 mg/l			MSWQS
pH				6.0 – 9.0 S.U.			MSWQS