PERMIT RATIONALE FOR REISSUANCE
Jerry A King, King Rental Properties Inc.
Rankin County
Florence, Mississippi
Water NPDES No. MS0058220
May 2023

I.	CLASSIFICATION –NPDES Commercial

II.	DESCRIPTION OF WASTEWATER – Minor Domestic

III.	DESCRIPTION OF WASTEWATER TREATMENT – Domestic wastewater from 5 rental mobile homes is to be collected and treated through a 1500 gpd ATU.  Domestic wastewater from 1 other rental mobile home is to be collected and treated through a 500 gpd ATU.  Both treated wastestreams are to be disinfected by tablet chlorination, separately.  The chlorinated, treated wastestreams will then be combined in a 500 gallon per day holding tank for detention time prior to discharge.  

IV.	RECEIVING WATERS – Unnamed Creek thence to Steen Creek. Neither waterbody appears on the current 303(d) list of impaired waterbodies.  These waterbodies are in the Pearl River drainage basin, and is classified as Fish and Wildlife.  This discharge is included in a Fecal Coliform TMDL. The facility utilizes chlorine disinfection, and complies with the TMDL.

V.	APPLICABLE GUIDELINES –  11 Mississippi Admin Code pt. 6, Commercial Facility Guidelines (Technology), State of Mississippi Water Quality Criteria (MSWQS)

VI.	SUMMARY OF DISCHARGE LIMITATIONS – 

Parameter		Value					Basis
Flow			0.002 MGD				Design
BOD			30 mg/l 				Admin. Code
TSS			30 mg/l 				Technology
E. Coli			126 Col./100mL 			TMDL 
pH			6.0 to 9.0 S.U.				Admin. Code
Chlorine		0.1 to 1.0 mg/l				Admin. Code

VII.	CHANGES FROM PREVIOUS PERMIT– 

No Change