NCG551638_General Permit_08012013

GeneralPermit NCG550000
STATE ' OF NORTH .CARO.LINA
DEPARTMENT OF ENVIRONMENT:AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
GENERAL 'PERMIT.NCG550:000
DISCHARGE OF DOMESTIC WASTEWATER FROM -SINGLE FAMILY
RESIDENCES AND OTHER 100% DOMESTIC DISCIIARGGES WITH
SIMILAR CHARACTERISTICS UNDER THE
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM
:In compliance .with the provision of North Carolina General Statute 143-215..1, :other
lawful standards .and regulations promulgated and adopted by the North Carolina
Environmental Management Commission, and the .Federal Water Pollution.Control,
Act, . as amended, this permit is hereby issued to all owners or operators, hereafter
permittees,. which .are covered by this permit as evidenced by receipt of a 'Certificate
of Coverage by the Environmental Management Commission to allow the discharge -of
treated domestic wastewater in accordance with the effluent limitations, monitoring
requirements, and other conditions set forth in Parts I; II, III and IV hereof.
This permit shall become effective August 1, 2013.
This permit shall expire at midnight on July:31, .2018..
Thomas A. Reeder, P.E.; Acting Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page 1 of 16 Pages

General Permit NCG550000
PART I
MONITORING, CONTROLS, AND LIMITATIONS FOR PERMITTED DISCHARGES
A. EFFLUENT LIMITATIONS AND MONITORING REQUIREMENTS
Applicability of Coverage
This permit authorizes discharges (pursuant to the conditions described in this permit) to all waters
of the state unless otherwise excluded in this section. Discharges to the following waters are
excluded from permit coverage and will require an individual permit to discharge:
Waters classified as WSI (Water Supply I)
Waters classified as HQW (High Quality Waters, excluding WS II)
Waters classified as SA
Waters classified as ORW (Outstanding Resource Waters)
Waters located in the Randleman Lake Watershed .
Applicable, to Treatment Systems:
1) Single Pass Filter Systems discharging less than 1000 gallons per day (applicable to existing
facilities only)
2) Multi -Phase Filter Systems (Primary & Secondary Single Pass, Recirculating Sand Filters as well
as other alternative technologies that provide treatment equivalent to, or greater than,
recirculating sand filters) discharging less than 1000 gallons per day
Treatment systemrequirements for existing systems (built prior to August 1, 2007). systems:
• Septic Tank
• Sand or media filter component (Single Pass Filter Systems, Multi -Phase Filter Systems)
• Disinfection. (All facilities adding chlorination after the August 1, 2007 will also be required to
add dechlorination. If a system had chlorination before August 1, 2007, then the addition of
dechlorination is not required)
Treatment system requirements for new and existing systems (built after August 1, 2007):
• Septic tank (with riser)
• Filter media
• Recirculating pump tank(s) per approved design (Multi -Phase Filter Systems only)
• Primary & Secondary Single Pass Filter Systems (Multi -Phase Filter Systems only)
• Filter media component perapproveddesign
• Disinfection unit(Chlorination/dechlorination,.or equivalent means of disinfection);.
;Effluent pipe/outfall with aeration/erosion control (rip rap)
For purposes of this permit, failed or failing systems that require replacement will be subject to
requirements for new systems built after August 1, 2007.
For purposes of this permit, systems that were constructed prior to August 1, 2007 that did not have
a valid permit shall be required to get a valid permit Theywill not be required to replace or
upgradesystems installed prior to August 1, 2007 unless they are failing and require replacement.
Page 2 of 16 Pages