PERMIT RATIONALE FOR ISSUANCE
JCUA POTW 5D
Jackson County
Big Point, Mississippi
Water NPDES No. MSU008011
March 20, 2019

I.	FACILITY INFORMATION

Facility Name: JCUA POTW 5D
Permit No.:  MSU008011
Permit Writer:  Sandeepa Gill
EPD Branch:  Municipal and Private Facilities Branch

II.	NATURE OF BUSINESS

The operation will consist of the collection, treatment, and on-site disposal of domestic wastewater.

III.	EFFLUENT AND RECEIVING STREAM FLOW DATA

The wastewater treatment system will have no effluent outfall(s) to any receiving stream.

IV.	303(d) ISSUES

None

V.	TYPE OF WASTEWATER TREATMENT:

Initial treatment will be provided by a solids separation tank (STEP unit) at each home. After solid separation the liquid effluent will be pumped from the home to the wastewater treatment plant. At the treatment plant wastewater will be applied to treatment pods containing filter media. After passing though the treatment pods the treated wastewater will be either recirculated back to treatment pods or pumped to the subsurface drip field for final disposal. The design capacity of the wastewater treatment system is 100,000 gallons per day.

VI.	PROPOSED MONITORING 

The Permittee will be required to monitor the wastewater after final treatment but prior to entering the on-site disposal area. The monitoring data must be submitted to the MDEQ once a quarter. The following parameters must be monitored:

Ammonia Nitrogen
E. Coli
Flow
Oil and Grease
Biological Oxygen Demand (5-day)
pH
Total Suspended Solids

The Permittee will be required to submit a quarterly report, which will include the following:

1) A written report describing the operation and condition of the soil absorption bed and its ability to absorb the volume of flow received.
2) A written report of all maintenance and repair activities performed on both the wastewater treatment system and the drip irrigation disposal field during the previous quarter.
3) Certification that all required inspections of the wastewater treatment system and the drip irrigation system have been performed for the previous quarter.

The Permittee will be required to submit a plan that describes the operation and maintenance procedures that are to be performed on the collection and treatment system during hurricane events and/or prolonged power outages.