PERMIT RATIONALE FOR REISSUANCE
Homestead Sewer LLC, Homestead Subdivision
Forrest County
Hattiesburg,, Mississippi
Water NPDES No. MS0051233
May 2023

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 a conventional lagoon.  No increase in treatment capacity is proposed within the application.  

IV.	RECEIVING WATERS – Unnamed creek thence into Priests Bayou.  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. However, the discharge appears on the Leaf River TMDL for biological impairment due to organic enrichment/low dissolved oxygen and nutrients. The TMDL does not propose any more stringent limitations on the facility. The discharge also appears on the Pathogens TMDL for the Leaf River, which the facility complies with via disinfection. Only one discharge to surface waters is described within the application with no increase in flow proposed.  The existing discharge from this facility should not further impair water quality.  

V.	APPLICABLE GUIDELINES – 11 MS Admin Code pt. 6, Commercial Guidelines

VI.	SUMMARY OF LIMITATIONS – 
	Parameter						Value			Basis
	Flow						0.08 MGD			Design
	BOD5						30 mg/l 			Domestic Guidelines
	TSS						30 mg/l 			Domestic Guidelines
	E. Coli						126 Col./100 ml			Admin Code
	Chlorine, Total Residual			0.1 – 1.0 mg/l 			Admin Code
	pH						6.0 – 9.0 SU			Admin Code