NC0083551_Permit Modification_19940513

State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
Bill Harvey
Onslow County Water System
P. O. Box 1415
Jacksonville, NC 28540
Dear Mr. Harvey:
IL
[DFEE HNR
May 13, 1994
Subject: NPDES No. NCO083551
Sneads Ferry WTP
Discharge point relocation
Onslow County
The Division has reviewed your request to move the proposed discharge point location to
an unnamed tributary to Stones Creek, and has approved that change. This change is subject to
revision in the future if problems arise with this site. Enclosed please find the modified permit
pages and map. These pages should be inserted into your permit and the old ones discarded. This
permit is issued pursuant to the requirements of North Carolina General Statute 143-215.1
and the Memorandum of Agreement between North Carolina and the U. S. Environmental
Protection Agency dated December 6, 1983,
If any parts, measurement frequencies or sampling requirements contained in this
permit modification are unacceptable to you, you have the right to an adjudicatory hearing upon
written request within thirty (30) days following receipt of this letter. This request must be
in the form of a written petition, conforming to Chapter 150E of the North Carolina General
Statutes, and filed with the Office of Administrative Hearings, Post Office Drawer 27447,
Raleigh, North Carolina 27611-7447. Unless such demand is made, this decision shall be final
and binding.
Please take notice that this permit is not transferable. Part II, EA. addresses the
requirements to be followed in case of change in ownership or control of this discharge. This
permit does not affect the legal requirement to obtain other permits which may be required by
the Division of Environmental Management or permits required by the Division of Land
Resources, Coastal Area Management Act or any other Federal or Local governmental permit that
may be required. If you have any questions concerning this permit, please contact Susan Robson
at telephone number 919/733-5083.
Sinca eY
Origins a fined By
David A. Goodrich
A. Preston Howard, Jr., P.E.
cc: Mr. Jim Patrick, EPA
Wilmington Regional Office
Compliance -Jeanne Phillips, ISB
Central Files
rBrantley
quatic Toxicology Unit
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
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Permit No. NCO083551
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT, HEALTH, AND NATURAL RESOURCES
DIVISION OF ENVIRONMENTAL MANAGEMENT
TO DISCHARGE WASTEWATER UNDER THE
In compliance with the provision of North Carolina General Statute 143-215.19
other lawful standards and regulations promulgated and adopted by the North Carolina Environmental
Management Commission, and the Federal Water Pollution Control Act, as amended,
Onslow County Water Department
is hereby authorized to discharge wastewater from a facility located at
Sneads Ferry Water Treatment Plant
US Highway 17
near Dixon School
Sneads Ferry
Onslow County
to receiving waters designated as an unnamed tributary to Stones Creek in the White Oak River Basin
in accordance with effluent limitations, monitoring requirements, and other conditions set forth in
Parts I, H, and III hereof.
This permit shall become effective January 1, 1994
This permit and the authorization to discharge shall expire at midnight on June 30, 1997
Signed this day May 13, 1994
Original Signed By
David A. Goodrich
A. Preston Howard, Jr., P.E., Director
Division of Environmental Management
By Authority of the Environmental Management Commission

Permit No. NC0083551
SUPPLEMENT TO PERMIT COVER SHEET
Onslow County Water Department
is hereby authorized to:
1. Enter into a contract for construction of a wastewater treatment facility, and
2. Make an outlet into an unnamed tributary to Stones Creek, and
3. After receiving an Authorization to Construct from the Division of Environmental
Management, construct and operate a filter backwash wastewater treatment facility
located at Sneads Ferry Water Treatment Plant, US Highway 17, near Dixon School
Sneads Ferry, Onslow County (See Part III of this Permit), and
4. Discharge from said treatment works at the location specified on the attached map into an
unnamed tributary to Stones Creek which is classified class SA waters in the White Oak
River Basin.

41
RELOC AT=ply OF
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Refer : Basinwide / Streamline WLA File
Completed By Permits & Engineering
At Front Of Subbasin
SOC PRIORITY PROJECT: YES NO X
If Yes, SOC No.
To: Permits and Engineering Unit
Water Quality Section
Attention: Susan Robson
(Review Engineer)
Date: July 26, 1993
NPDES STAFF REPORT AND RECOMMENDATION
County: Onslow
Permit No. NCO083551
03- Os- OZ
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PART I - GENERAL INFORMATION
1. Facility and Address: Sneads Ferry Water Treaa m�System
Onslow County Water Department
Post Office Box 1415
Jacksonville, North Carolina 28540
2. Date of Investigation: July 13, 1993
3. Report Prepared by: Edward Beck
4. Persons Contacted and Telephone Number: Bill Harvey
[phone]
5. Directions to Site: The discharge point is located in the
Dixon community south of Jacksonville at the N.C. Highway
crossing of Stones Creek.
6. Discharge Point(s), List for all discharge points:
Latitude: 340 35' 07" Longitude: 771 27' 46"
Attach a USGS map extract and indicate treatment facility site
and discharge point on map.
U.S.G.S. Quad No: U.S.G.S. Quad Name: Sneads Ferry
7. Site size and expansion area consistent with application ?
X Yes No If No, explain:
PU4

D
9.
10
Topography (relationship to flood plain included): The
treatment facility is to be located at elevation 40 to 50 feet
msl.
Location of nearest dwelling: No dwellings within 400 feet.
Receiving stream or affected surface waters: Stones Creek
a. Classification: Class SA
b. River Basin and Subbasin No.: 03-05-02
C. Describe receiving stream features and pertinent
downstream uses: Tidal stream tributary to Stones
Bay. The stream and the head of the bay are closed
for the taking of shellfish.
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1. a. Volume of Wastewater to be permitted: 0.2 MGD (Ultimate
Design Capacity).
b. What is the current permitted flow limit? Proposed
C. Actual treatment capacity of the current facility
(current design capacity)? Proposed
d. Date(s) and construction activities allowed by previous
Authorizations to Construct issued in the previous two
years: NA
e. Please provide a description of existing or substantially
constructed wastewater treatment facilities: NA
f. Please provide a description of proposed wastewater
treatment facilities: The treatment system is to consist
of two settling lagoons approximately 75 X 300 feet each.
g. Possible toxic impacts to surface waters: Toxic impacts
are not expected since the brine solution is to be
discharged to saline waters.
h. Pretreatment Program (POTWs only):
in development approved
should be required not needed X
2. Residuals handling and utilization/disposal scheme: Residuals
are to be removed from the settling basins occasionally. The
County will employ a contractor to either land apply the
residuals on a permitted site or dewater and haul it to a
landfill.

a. If residuals are being land applied, please specify DEM
Residuals Contractor: Environmental Waste Recycling has
been contacted.
b. Residuals stabilization: PSRP PFRP Other
NA
C. Landfill:
3. Treatment plant classification (attach completed rating
sheet) : Class I
4. SIC Code (s) : 4941
Wastewater Code Primary: 22
Main Treatment Unit Code: 50
PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction Grant
Funds or are any public monies involved? County Funding
2. Special monitoring or limitations (including toxicity)
requests: See comments
3. Important SOC, JOC or Compliance Schedule dates: (Please
indicate) NA
Date:
Submission of Plans and Specifications:
Begin Construction:
Complete Construction:
4. Alternative Analysis Evaluation: Has the facility evaluated
all of the non -discharge options available? Please provide
regional perspective for each option evaluated.
Spray Irrigation: Not desirable due to potential impact on
groundwater.
Connection to Regional Sewer System: Not available
Subsurface: Not desirable due to potential impact on
groundwater

PART IV - EVALUATION AND RECOMIENDATIONS
The County proposes to construct a water treatment system
consisting of iron removal filters and a zeolite softening
system with brine recharge for the treatment of groundwater.
The receiving stream, which is classified Class SA, appears to
be tidal and saline at the proposed point of discharge. The
stream is also designated by the Division of Marine Fisheries
as a Primary Nursery Area. The salinity of the stream at the
proposed point of discharge is not supplied in the application
package. Anticipated chloride concentration levels in the
discharge are also not supplied.
It is recommended that the applicant be requested to supply
chloride concentration data for Stones Creek at the proposed
point of discharge and at the mid point between the discharge
point and the mouth of the stream at Stones Bay. It is further
recommended that the applicant be requested to supply
anticipated chloride concentration data for the discharge.
Upon receipt of this data, it should be submitted to The
Division of Marine Fisheries for their review and comments. If
favorable recommendations are received from DMF, it is
recommended that a permit be drafted containing standard
limits and conditions for the discharge of water treatment
system backwash water.
i
Signature of report preparer
ality Regional Supervisor
EB:NC83551.073
cc: Wilmington Regional Files
Technical Support Branch
Central Files
7,,)- 6 -93
Date
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