PERMIT RATIONALE FOR REISSUANCE
Pearl River County Utility Authority, North Hill, Phase V, 31 Big Sky
Pearl River County
Carriere, Mississippi
Water NPDES No. MSU080006
May 7, 2013

I.	CLASSIFICATION – Domestic SOP

II.	DESCRIPTION OF WASTEWATER – Domestic

III.	DESCRIPTION OF WASTEWATER TREATMENT – The wastewater treatment system has been designed to accommodate Phase 1 of Big Sky Subdivision, which will consist of 71 residential lots. Design of the system is for 28,400 gallons per day.  A grinder pump will be installed at each residence.  Sewage is then pumped to an Orenco Systems, Inc., AX100 AdvanTex Treatment System, which utilizes a packed bed media filter for treatment.   The effluent is then disinfected using an Ultraviolet Disinfection System. Treated wastewater is then pumped to the land application area, where the wastewater is filter and ultimately disposed of by means of a drip irrigation system.

IV.	RECEIVING WATERS – None. No Discharge System

V.	APPLICABLE GUIDELINES – State of Mississippi Wastewater Regulations (WPC-1)