NC0025453_Wasteload Allocation_19840801

DIVISION OF ENVIRONMENTAL MANAGEMENT
August 1, 1984
MEMORANDUM
TO: Richard Rohrbaugh
FROM: J. Trevor Clements
SUBJECT: Tbwn of Clayton WLA
Johnston County
In response to your letter of July 25, 1984, I am sending you a
copy of the analysis results that were originally sent out May 5, 1983.
As you may note, the limits for the present discharge to Little Creek are:
Summer Winter
Wasteflow (MCD) 0.6 0.6
BOD5 (mg/1) 17 30
NH3-N (mg/1) 7 15
DO (mg/1) 5 5
TSS (mg/1) 30 30
pH (SU) 6-9 6-9
Fecal Cbliform (/100 ml) 1000 1000
These limits also apply to wasteflows of up to 1.5 MCM.
If you have any further questions, please feel free to contact
me.
JTC:cs
Enclosure

North Carolina Department of Natural
" =- Resources &Community Development
James B.Hunt,Jr.,Governor James A.Summers,Secretary
, . . DIVISION OF ENVIRONMENTAL MANAGEMENT
MEMORANDUM
TO; Trevor Clements
Modeling Group
Tech Services Unit
FROM; Richard Rohrbaugh
Acting Regional Engineer
Water Quality Section
DATE; July 25, 1984
SUBJECT: Wasteload Allocations
Town of Clayton
Johnston County
During a meeting with representatives of the Town of Clayton and Mr,
Gene Cobb of Ragsdale Consultants, we discussed the Townfs wastewater treatment
problems. On May 5, 1983, a letter was sent from Forrest Westall to Mr. Cobb
with a table showing effluent limits for several locations, The town currently
holds a permit and special order for their discharge, Each contains different
limits. Therefore, with receipt of this letter some confusion has arisen
regarding the actual effluent limits the town is required to meet. I intend
to clarify this for them and wish to find out if the limits shown in the
May 5 letter are still accurate. Additionally our file is somewhat weak in
supporting data for this letter, so any background information or discussion
you can provide will be helpful. The town has asked that I respond before
the August 6, 1984.
Thank you for your help and please call if you have any questions at
733-2314.
RRR/lbb
Raleigh Regional Office 3800 Barrett Drive,P.O.Box 27687,Raleigh,N.C.27611-7687 Telephone [phone]
An Equal Opportunity Affirmative Action Employer

Forte #00#
WASTE LOAD ALLOCATION APPROVAL FORM
Facility Name: Clayton
County: Johnston Sub-basin: 03-04-02
Regional Office: Raleigh Requestor:, Gene Cobb._ Ragsdale_Eng,
Type of Wastewater: Industrial
Domestic 100
If industrial, specify type(s) of industry:
Receiving stream: see below Class:
Other stream(s) affected: Class.* .
7Q10 flow at point of discharge: 5,0 for all 4 sites .
30Q2 flow at point of discharge:
Natural stream drainage area at discharge point:
Recommended Effluent Limitations
}u•4- << ALGiONAL OFFIC
Site A Site B Site C Site D
(Sam's Branch) (Gully's Mill Br. ) (UT Gullys (Gully's Mill
Mill Br. ) Branch)
Flow (mgd) 0..1, 0.2 0.10 0.2 0.2„ 0.3 0.3, 0.5
BOD5 (mg/1) 16 16 22 15
NH3N (mg/1) 6 13 14 13
DO (mg/1) 6 6 6 6
TSS (mg/1) 30 30 30 30
pH (S.U. ) 6-8.5 6-8.5 6-8 .5 6-8.5
Fecal Coliform 1000 1000 1000 1000
(#/100 ml)
This allocation is: /X/ for a proposed facility
for a new (existing) facility
a revision of existing limitations
a confirmation of existing limitations
Recommended and reviewed by: •
Date:
Head, Techncial Ser ces Branch Date:
Reviewed by:
Regional Supervisor Date: r PA 3
Permits Manager Date: !
Approved by:
Division Director Date:

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a1�6NT OF 1�
United States Department of the Interior
0
GEOLOGICAL SURVEY
P.O. Box 2857
3 g�4 Raleigh, NC 27602
June 6, 1983
Ragsdale Consultants, P.A.
310 E. Johnston Street
P.O. Box 1749
Smithfield, North Carolina 27577
Attention: Gene B. Cobb, Vice President
Dear. Mr. Cobb:
Estimates of streamflow statistics for sites requested by your office
are summarized in the attached table. These are the best estimates that
we can provide for the site(s) at this time. Unless otherwise noted,
these estimates reflect natural streamflow conditions and neglect the
effects of diversion or regulation.
These estimates are based on streamflow data collected at or near the
site(s) or on runoff observed on nearby streams. In instances where
there is considerable doubt as to accuracy of the flow estimate, a range
in which the estimate is believed to be is provided in lieu of the
actual estimate. Specific footnotes covering implied accuracy are
provided for each estimate listed in the attached table.
Please call if you have questions regarding this information or if we
can be of further assistance.
Very truly yours,
' C. E. Simmons
Hydrologist
RLM/kh
Enclosure
cc: Parks Low, NRCD

Add
[ ]. Request No.�%�• s'E&Q� Site No. � Change
[ ) Delete
USGS MASTER FILE - CODING SHEET
Cn
Station Number 9�2 i:� �0,6+7 d ,Q-G Type Station
Station Name 6, 1 T +
0
z
Latitude 3�S 3 �� -� : Longitude.�
0
Sequential Number - 0 • 0. Quadrangle Number
County Code / .0 ./. State Code .3 , 7- District Code
Hydrologic Unit Code r 0 L.O N'RCD Basin Code LO r3 0 `� •� - y
�1
Gaged High Flows • Computed High Flow • - ,�
Drainage Area f ep 97�6, 3�
1�
Percent Rock Type "A" - - "B" r "C" - IL I'D" ' 0
"E". "Fn ._, "G° Type
�U
Average Flow-. Range cfs to cfs + f [ ]
7Q2 Min Flow, Range cfs to cfs + % [ ]
30Q2 Min Flow- • Range cfs to ifs + % [ ]
7010 Min Flow Range cfs to cfs + % [ ]
(Summer)
700 Min Flow • Range cfs to cfs + % [ ]
(Winter)
Geographic Factor P• � • Cleared Land in Basin
Channel Factor - Tidal
Notes:
[a] Estimate is based on records collected at or near the site, and the range
indicates approximate interval in which the actual value may lie.
[b] Estimate is based entirely on runoff observed at nearby streams and
therefore no degree of reliability is attached.
[c] The error in this estimate probably exceeds accuracy of the method used
and therefore only a range is given.
[d] Approximately.
Location: p_ 77 1?7�1E r

] Add
Request No. Site No. [ ] Change
[ ] Delete
USGS BLASTER FILE - CODING SHEET
En
Station Number Type Station �- O
Station Name
tz
,3•� •� •o,g+ Longitu
Latitude de,7 �?L
Sequential Number • 0 . 0- Quadrangle number Z
County Code P e — State Code �Z. District Code , -
Hydrologic Unit Code ,d O N'RCD Basin Code 4 e 2-- �
Gaged High Flow • • Computed High Flow v
Drainage Area t •� �l
n
Percent Rock Type "Ail "B", 1 nC" , "D" ,
"E", "F" Type �.
�U
Average Flow, • •'0,0--, Range cfs to cfs + [ ]
702 Min Flow, • • • Range cfs to cfs + % [ ]
30Q2 Min Flow' - ! ,� Range cfs to cfs + [ ]
7010 Min Flow , ��•�• Range cfs to cfs + [ ]
r
(Summer)
7010 Min Flow Range cfs to cfs + [ ]
(Winter)
Geographic Factor 10 Cleared Land in Basin
Channel Factor Tidal
Notes:
[a] Estimate is based on records collected at or near the site, and the range
indicates approximate interval in which the actual value may lie.
[b] Estimate is based entirely on runoff observed at nearby streams and
therefore no degree of reliability is attached.
[c] The error in this estimate probably exceeds accuracy of the method used
and therefore only a range is given.
[d] Approximately. /
Location: p _ rov6Gc�7`�i ".�� 2f /!�
i
v

[ ] Add
[ ] Change
Request No. �i% Site No. C' [ ] Delete
USGS MASTER FILE - CODING SHEET
Z� � + +-5 P ),5.0 Type Station �iQ �
Station Number ► F
StationFj-
Name o
. z
Latitude f ;3 Longitude Z �?
Sequential Number . 0 . 0- C`uadrangle Number •
County Code J•G- State Code :3 • 7- District Code
2
Hydrologic Unit Code ^ 3 o NRCD Basin Code .O .- P •f C
Gaged High Flow 1 Computed High Flow •
. v 4
Drainage Area
Percent Rock Type "All _ "Bit. . I tic,+ t1D" L ,�
e
nEu "Fit , "Gt+l Type u
a
Average Flow _ ©•�' Range cfs to cfs + [ ]
'702 Min Flow. • Range cfs to cfs + m [ ]
3002 Min Flow • Range cfs to cfs + % [ ]
7E10 Min Flow •
•o�. Range cfs to cfs + `� [ ]
r
(Summer)
7C10 Min Flow , • Range cfs to-
(Winter)
+ [ ]
(Winter)
Geographic Factor to, Cleared Land in Basin
Channel Factor Tidal
Notes:
[a] Estimate is based on records collected at or near the site, and the range
indicates approximate interval in which the actual value may lie.
[b] Estimate is based entirely on runoff observed at nearby streams and
therefore no degree of reliability is attached.
[c] The error in this estimate probably exceeds accuracy of the method used
and therefore only a range is given.
[d] Approximately. G r j
Location: Cc�-7 �U vT 4�-,7 / / /f :, i�Y' ;L4-65 �"'9�

[ ] add
+ ��'� p�-l> [ ] Change
Request No. Site No.
[ ] Delete
USGS MASTER FILE - CODING SHEET
Station Number tl �., 8�7+r+�+G� _ Type Station er c
Station Name
r �
z
Latitude a� �+�� y,� Longitude
Sequential Number •0 • 0 Quadrangle Number Z��
Q
County Code d �. State Code .3 • 7- District Code
Hydrologic Unit Code r +s+y• + NRCD Basin Code 1' .� y
Gaged High Flows • + Computed High Flow , • a N
Drainage Area
Percent Rock Type "All YBII "C" + "D" t_ ,
I I E nF" , IIGII Type u
v
Average Flows Ranee cfs to cfs - % [ ]
r-"
7Q2 Min Flow * Range cfs to cfs = % [ ]
30Q2 Min Flow, • • Range cfs to ifs _ % [ ]
7010 Min Flow L •�:y Range cfs to_ _ cfs + % [ ]
(Summer)
r
70-10 Min Flow Range cfs to cfs + % [ ]
(Winter)
Geographic Factor �• � Cleared Land in Basin
Channel Factor Tidal
Notes:
[a] Estimate is based on records collected at or near the site, and the range
indicates approximate interval in which the actual value may lie.
[b] Estimate is based entirely on runoff observed at nearby streams and
therefore no degree of reliability is attached.
[c] The error in this estimate probably exceeds accuracy of the method used
and therefore only a range is given.
[d] Approximately.
Location: _ 7 7-/4 Ar

Mew a
- -
5-f7
RAGSOALE CONSULTANTS, R.As �'�
310 E. JOHNSTON STREET - P. O. BOX 1749 - SMITHRELO. N. C. 27577
TELEPHONE (919] S34-7154 / 934-0511
May 16, 1983
Mr. Forrest Westall , Head
Operations Branch
Division of Environmental Management
North Carolina Department of Natural Resources
and Community Development
P. 0. Box 27687
Raleigh, North Carolina 27611-7687
Re: Request for Effluent Units
Potential Neuse Tributaries Discharges
Clayton 201 Facilities Plan
Dear Mr. Westall ,
We received your latest revisions for the effluent limits for the Clayton
201 this past Monday. Thank you for this service.
As I discussed with Randy Williams today, the situation involving relaxation
in effluent limits versus high-head pumping requirements in the north side of the
Clayton sewer system suggests (at least) a cursory investigation is warrented into
feasibility of one or more "satellite" . treatment discharges into the Sam's Branch
and Gulley's Mill Branch tributaries. Enclosed is, a map showing the four loca-
tions we have in question. We would appreciate your giving effluent limits for
the following flows :
Point Flows
A 0. 1 , 0.2 MGD
B 0. 1 , 0.2 MGD
C 0.2, 0.3 MGD
D 0.3, 0.5 MGD
We are handcarrying a copy of this request to the USGS Raleigh office and re-
questing their expeditious calculation of the 7 Q 10's for your office.
If we can provide further information, please call on me.
Respectfully yours,
Gene B. Cobb, P. E.
RAGSDALE CONSULTANTS, P. A.
GBC/sp
cc: USGS, Raleigh
CIVIL, ENVIRONMENTAL, & STRUCTURAL ENGINEERING — ARCHITECTURE
LANDSCAPE ARCHITECTURE — LAND PLANNING — SURVEYING
RALEIGH, OFFICE: P. O. BOX 12534 RALEIGH, N. C. 27605 [9191 834-0733

e" � 4 DIVISION OF
y~ m '� North Carolina Department of Natural ENVIRONMENTAL
MANAGEMENT
Resources &Community Develo ment Robert F Directors
James B. Hunt, Jr., Governor Joseph W. Grimsley,Secretary, Telephone [phone]
DIVISION OF ENVIRONMENTAL MANAGEMENT
May 5, 1983
Gene Cobb
Ragsdale Engineers, P.A.
310 E. Johnston Street
Post Office Box 1749
Smithfield, North Carolina 27577
Dear Mr. Cobb:
In response to your request, we have attached a tabulation of
the effluent limits requested. The limits are maximum monthly mean
values unless otherwise noted. The limits reflect current policies
and methodologies in the State Continuing Planning Process and are
part of the Neuse River Basin Plan.
We have also attached a discussion and explanation of the effluent
limits. Please contact Randy Williams of my staff if you have any
questions concerning the limits.
Sincerely,
Av4c' kl'Ad—
Forrest Westall, Head
Operations Branch
FW:cs
Attachments
cc: R.W. VanTilburg
Randy Williams
Louis Eckley
Allen Wahab
Haywood Tissick, Town of Clayton
POLL UTION PRE VENTION PA YS
P.O. Box 27687 Raleigh,N, C.27611-7687
An Equal Opportunity Aff/rmat/ve Actlon Employer

a �
w
DISCUSSION OF EFFLUENT LIMITATIONS
- Effluent Aimitat ions- for--BODE; N}#3 N;--and dissolved oxygen are estnblished In
the State..Water_:Quality Management Planning Process to attain water quality stream
standards for dissolved oxygen. The limits for BOD and NH3-N are usually specified
as maximum monthly mean values. Maximum weekly values, normally 1.5 times the monthly
values. are also specified in the affected discharge permits.
There are two basic levels of analysis ("B" and "C") used to establish the
effluent limits. In each case the analysis can conclude an infinite number of
combinations of effluent BODE, NH3-N, and D.O. that will attain water quality
standards. Obviously it would be impossible to list all combinations and since
_specif+c _values must be in the NPDES permits, the Division staff selects a likely
combination for specification of the waste load allocation. Becausd of the numerous
combinations which can be conceived, it is possible that some c6m'bination other than
the one selected by the Division of Environmental hanagement (DEM) will prove to be
the optimum. For this reason, DEM encourages the consideration of alternative
combinations in the 201 Planning Process which may be advantageous due to the
particular waste .or waste treatment being considered. Since the waste load
allocations and often the NPDES permits precede the development of 201 plans, it
will be necessary to update plans and modify permits in a continuing process.
The "B" and "C" levels of analysis differ primarily by tine amount of data
available. The "C" analysis is based on intensive water quality survey data while
the "B" analysis is an empirical analysis based largely on the slope and other
physical characteristics of the receiving stream. Additional explanation of the
"B" and "C" analyses is contained in Appendix E of the Basin Plans. Both analyses
use the basic Streeter-Phelps theory. In a "B" level analysis effluent ultimate
BUD (BODu) is set equal to BOD5 + 4 x N1­13-N. The combination of BOD5 and N113-N may
be modified as long as BON is not changed. In most level "C" analyses Carbonaceous
BODu (CBOD) is equal to 1.5 x BOD5 and Nitrogenous BODu (NBOD) is equal to 4.5 x Nii3-N.
Although tradeoffs between BOD5 and NH3-N are acceptable in the level "C" allocations,
the equation of BODu = 1.5 x BOD5 + 4.5 x NH3-N cannot be used in all cases. When a
large difference between Carbonaceous BOD and Nitrogenous BOD stream removal rates
exist. the trade-offs will be less in accordance with the equation. In any case,
modifications to the waste load allocations have to he approved by DEM before 201
plans or NPDES- permits are completed. Proposed allocation modifications should be
coordinated through the Local Programs or Technical. Services Sections.
As a result of regulation changes, the effluent limits on suspended solids may
be increased from the normal 30 mg/l to 90 mg/1 for lagoon waste treatment systems.
Since the attached table does not address the type of treatment system to be employed,
this consideration should be utilized in the design of the waste treatment system.
Even though higher suspended solids are allowable for lagoon systems, the systems
must be designed to -allow attainment of tine BOD, N113-N, and D.O. effluent limits.

REQUEST NO. : 245 �
********************* WASTELOAD ALLOCATION APPROVAL FORM *********************
FACILITY NAME : CLAYTON
COUNTY : JOHNSTON
NIAR 2
REGIONAL OFFICE : RALEIGH
REQUESTOR : RAGSDALE ENGRS.
RECEIVING STREAM : NEUSE RIVER SUBBASIN : 03-04-02
7010 : 254 * CFS W7010 : CFS 3002 : CFS
DRAINAGE AREA : 770.00 SQ*MI . STREAM CLASS :A-II
************************ RECOMMENDED EFFLUENT LIMITS
WASTEFLOW(S) (MGD) : 1 . 0 AND 1 .5 * This flow Athat augmented by
BOD-5 (MG/L) : 30 the Falls Reservoir and
NH3-N (MG/L) : NR measured at Smithfield.
D .O. (MG/L) : NR Note that these limits also
PH (SU) : 6-9 apply without flow augmen-
FECAL COLIFORM (/iO4ML ) : 1000 tation.
TSS (MG/L) : 30
********************************************************************************
FACILITY IS : PROPOSED ( I, ) EXISTING ( )
LIMITS ARE : REVISION ( ) CONFIRMATION ( ) OF THOSE PREVIOUSLY ISSUED
REVIEWED AND RECOMMENDER BY :
MODELER :_ ----DATE
HEADYTECHNICAL SERVICES BRANCH _ __J _ ___DATE
REGIONAL SUPERVISOR -------- __-- -_DATE
PERMITS MANAGER _DATE :t !LLs ..
APPROVED BY
DIVISION DIRECTOR :� -__�-___ _____ IATE : _�

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DIVISION OF ENVIRONMENTAL MANAGEMENT
Monitoring and Technical Services Branch
March 1, 1982
After obtaining new estimates of 7Q10 flow in Little Creek and
re-evaluating in-stream velocity, it was determined necessary to
revise effluent limits for the town of Clayton. The data does not
support the difference in assimilative capacity of Little Creek
that was previously thought to exist between the present site and
proposed site (see attached map) . The new (proposed) and previous
effluent limits for both sites are compared in the attached table.

March 1, 1982
Forrest Westall N. C. DEM 733-2930
Haywood Phthisic, III Town of Clayton
Gene B. Cobb Ragsdale Consultants
Ralph Clark Town of Clayton
Charles R. Stewart Mayor, Town of Clayton
L. P. Benton, Jr. N. C. DEM 733-5181
Randy Williams N. C. DEM 733-2930
Bob Panella N. C. DEM LPMU 733-6900
Paul Wilm N. C. DEM Assistant Director
Chuck Wakild N. C. DEM
Coy Batten N. C. DEM LPMU
Allen Wahab N. C. DEM LPMU

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201 WASTEWATER FACILITIES PLAN
FIGURE 4
JA
TOPOGRAPHY
RAGSDALE ENGINEERS P.A.
�7

Site 1 - Present Location
Summer Winter
Flow (MGD) 1.0 1.5 1.0 1.5
BOD5 (mg/1) 9 11 16 14
NH3N (mg/1) 3 3 5 4
D.O. (mg/1) 5 5 5 5
PH (S.U.) 6-9 6-9 6-9 6-9
Fecal Coliform 1000/,Ovm/ 1000 1000 1000
TSS (mg/1) 30 30 30 30
Site 2 - 0.8 mi below SR 1560
(below dam)
Summer Winter
Flow (MGD) 1.0 1.5 1.0 1.5
BOD5 (mg/1) 11 10 22 20
NH3N (mg/1) 4 4 8 8
D.O. (mg/1) 5 5 5 5
PH (S.U.) 6-9 6-9 6-9 6-9
Fecal Coliform 1000/100 ml 1000 1000 1000
TSS (mg/1) 30 30 30 30

t .1 c
d ' •'� RIVER
1
1 IT
� ' t •
., l
� 4
"TO �' ��y`J �� Point Description
---...... 1. Existing WWTP,
Little Creek
1 / 2. Little Creek, below
1 �, ,-•� Barnes Pond
3. Alternate Sites,
70 Neuse River
1
%
-- 4. Swift Creek/S.R. 1555
2 ��• M.� C`abiv. Rr..
CLAYTON
201 FACILITIES PLAN
FIGURE 3- 1
EFFLUENT LIMIT DISCHARGE
POINT LOCATIONS
1 I/2 0 1 ELLISA
WNW
Stole Iz 1 n+ile
RAGSDALE ENGINEERS. P.A, r��',

Form #001 # 245
WASTE LOAD ALLOCATION APPROVAL FORM
Facility Name: Clayton 201 - Site 1 (Present Discharge Location)
County: Johnston Sub-basin: 03-04-02
Regional Office: Raleigh Requestor: Gene Cobb, Ragsdale Engineers
Type of Wastewater: Industrial
Domestic 100
If industrial, specify type(s) of industry:
Receiving stream: Little Creek Class: C
Other stream(s) affected: Clasga
7Q10 flow at point of discharge: 0.2 cfs winter 7 10 5a`cf
30Q2 flow at point of discharge: 0.8 cfs
Natural stream drainage area at discharge point: 5.96 S'All mi.
Recommended Effluent Limitations
Monthly Average I" ��GvAIFM��
Parameter Summer Winter
(April 1-Oct. 31) (Nov. 1-Mar. 31)
Flow (MGD 1.0 1.5 1.0 1.5
BODS5(mg/1 9 11 16 14
NH33N (mg/1) 3 3 5 4
D.O. 5 5 5 5
pH (S.U.) 6-9 6-9 6-9 6-9
Fecal Coliform (#/100 ml) 1000 1000 1000 1000
TSS (mg/1) 30 30 30 30
This allocation is: /?C( for a proposed facility
for a new (existing) facility
a revision of existing limitations
a confirmation of existing limitations
Recommended and reviewed by:
Date:
Head, Techncial Ser ices Branch -� Date: ! S
Reviewed by:
Regional Supervisor Date:
Permits Manager w • �••� Date:
Approved by:
Division Director Date: I S �

- #245
Form #00i
WASTE LOAD ALLOCATION APPROVAL FORM
Facility Name: Clayton 201 - Site 2 (0.8 mi. below SR1560- below dam)
County: Johnston Sub-basin: 03-04-02
Regional Office: Raleigh Requestor: Gene Cobb, Ragsdale Engineers
Type of Wastewater: Industrial
Domestic 100
If industrial, specify type(s) of industry:
Receiving stream: Little Creek Class., C
Other stream(s) affected: Class:
7Q10 flow at point of discharge: 0.6 cfs w 700 = 1.4 e°fs
30Q2 flow at point of discharge: 2.2 cfs
Natural stream drainage area at discharge point: 12.1 s . mi
.40 FFFICE
Recommended Effluent Limitations
Monthly Average
Parameter Summer Winter
(Apr. 1 - Oct. 31) (Nov. 1-Mar. 31)
Flow (MGD) 1.0 1.5 1.0 1.5
BOD (mg/1) 11 10 22 20
NH � (mg/l) 4 4 8 8
D03(mg/1) 5 5 5 5
pH (S.U.) 6-9 6-9 6-9 6-9
Fecal Coliform (#/100 ml) 1000 1000 1000 1000
TSS (mg/1) 30 30 30 30
This allocation is: / / for a proposed facility
/ / for a new (existing) facility
RJ a revision of existing limitations
/ / a confirmation of existing limitations
Recommended and reviewed by: ,/�
��(/, . Date:
Head, Techncial Services ranch Date: �eZ
Reviewed by:
Regional Supervisor Date: a zv gl
Permits Manager Date:
Approved by:
Division Director Date:

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#245
Form #001
WASTE LOAD ALLOCATION APPROVAL FORM
Facility Name: Clayton 201 - Site 3 (0.5 mi above SR 1560)
County: Johnston Sub-basin: 03-04-02
Regional Office: Raleigh Requestor: Gene Cobb - Ragsdale_ Engineers
Type of Wastewater: Industrial % r
Domestic 100
If industrial, specify type(s) of industry:
Receiving stream: Little Creek Class:
Other stream(s) affected: Class!
7Q10 flow at point of discharge: 0.4 cfs W ZQ10 =
30Q2 flow at point of discharge: 1.5 cfs
1!\i
Natural stream drainage area at discharge point:
Recommended Effluent Limitations
Monthly Average
Parameter Summer Winter
(Apr. 1-Oct. 31) (Nov. 1-Mar. 31)
Flow (MGD 1.0 1.5 1.0 1.5
BODS5 (mg/1) 8 9 1`l t&10
NH 31 (mg/1) 4 4 -&
DO (mg/1) 5 5 5 5
pH (SU) 6-9 6-9 6-9 6-9
Fecal Coliform (#/100 ml) 1000 1000 1000 1000
TSS (mg/1) 30 30 30 30
This allocation is: /�/ for a proposed facility
for a new (existing) facility
a revision of existing limitations
a confirmation of existing limitations
Recommended and reviewed by: _
Date: f/-
Head, Techncial Servi es Branch Date:
Reviewed by:
Regional Supervisor Dat s
Permits Manager 7 Date.
Approved by:
f
Division Director / -GCS- Date:�

TOE//N O�: C L.AYTO N
CLAYTON, NORTH CAROLINA
December 15, 1981 .,EC 'VED
DEC 18 1981
Mr. Robert F. Helms, Director
Division of Environmental Management. [)IV. o; :.�v:ronn;en a1 Mgt.
P. 0. Box 276$7 Ka;eigh, N. C.
Raleigh, North Carolina 27611
Re: Revisions to Effluent Limits
for the Town of Clayton
Dear Mr. Helms:
This letter is to request a meeting with you at your earliest con-
venience concerning revisions to our effluent limits as a part of the
201 program.
understand through conversation with our consultant engineer that.
your department has recently given us new seasonal effluent limits for
our 201 study, resulting however in the old summertime limits being revised
downward considerably. This situation threatens to obsolete several years
of study work if unaltered. We understand that these limits require your
approval before being finalized. We would therefore appreciate the opportunity
of a personal meeting with you before your execution of the new limits.
We very much appreciate your consideration in this matter. ( I may be
reached at 553-5002. ) Please feel free to contact. our engineer if you need
further background on the technical aspects (Mr. Gene B. Cobb, Ragsdale
Consultants, P. A. , 828-2788-) .
Very truly yours,
Ralph A. Clark
Town Manager .
RAC/sg
cc: Mr. Gene B. Cobb
'CATER QUALITY"

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NPDES WASTE LOAD ALLOCATION °1i4��►
Facility Name: _ ! �..A JTp �1'4d&&&�f _., Date: Z.0'1146041
v Existing Q permit No. : .t/
Q C'2Q 5 Pipe No. _ / _ County:
CD Proposed
iE Design Capacity (MGD) : - 69 Industrial (% of Flow) : Domestic (% of Flow) : .10
o
Receiving Stream:- , : / Class: Sub-Basin: - 2
.o Reference USGS Quad: (Please attach) Requestor: Regional Office
(Guideline limitations, if applicable, are to be listed on the back of this form.)
Design Temp. :�� Drainage Area: + to Avg. Streamflow•
7Q10: 02 Winter 7Q10: 05 30Q2:
a� -
Location of D.O.minimum (miles below outfall) : h�_ Slope:
Velocity (fps) 0, t Kl (base e, per day, 200C) : K
0 2 (base e, per day, 200C) : It 77
C�
0
Effluent Monthly Effluent Monthly
Characteristics Average Comments Characteristics Average Comments
a�
cn
; 00
t�
W ,� V+
as
Original Allocation
Revised Allocation Date(s) of Revision(s)
(Please attach previous allocation)
Prepared By: Jf�
Reviewed By: Date: tea?

.� 181
Fogm #001
WASTE LOAD ALLOCATION APPROVAL FORM
Facility Name: Town of Clayton Existing site
County: Johnston Sub-basin: 03-04-02
Regional Office: Raleigh _ Requestor: Lars Godwin
Type of Wastewater: Industrial
Domestic 100
If industrial, specify type(s) of industry:
Receiving stream: Little Creek Class: .
Other stream(s) affected: Class"
7Q10,flow at point of discharge: 0 .2 cfs
30Q2 flow at point of discharge: 0 .8 cf s
Natural stream drainage area at discharge point:_ 5 .9'6i�sq_! mi
Recommended Effluent Limitations
Monthly Avg .
Flow = 0 .6 MGD
BOD5 = 10 mg/l
NH3-N = 3 mg/1
DO = 5 mg/1
Fecal Coliform = 1000/100 ml
TSS = 30 mg/l
pH = 6-9 SU
This allocation is: / / for a proposed facility
/ / for a new (existing) facility
a revision of existing limitations , new USGS flow.
/ / a confirmation of existing limitations
Recommended and reviewed by:
Date:
Head, Techncial Se ices Branch Date:
Reviewed by:
Regional Supervisor Date: 1! q
Permits Manager Date: / ?O
Approved by: �rr
Date:
Division Director

RAGSDALE ENGINEERS, P.A.
310 E. JOHNSTON STREET - PO. BOX 1749 - SMITHFIELO. N.C. 27577
TELEPHONE C9193 934-7154 i 934-0511
gag-R7'd$
October 2, 1981
Mr. Forrest Westall , Head
Monitoring & Technical Services Branch
Division of Environmental Management
North Carolina Department of Natural Resources
and Community Development
P. 0. Box 27687
Raleigh, North Carolina 27611
Re: Request for Additional Effluent Limits
Clayton 201 Facilities Plan
Dear Mr. Westall :
I wrote to you on this past September lOth regarding seasonal limits
for two points of discharge for the referenced 201 Plan. Our recent work
into selecting a tentative plant site has pointed out the necessity for
evaluating an intermediate point of discharge. I am enclosing a map show-
ing a third point of discharge for which we would appreciate your calcula-
tion of effluent limits. I would assume that limits for this point would
also prevail for any downstream point down to and including Barnes Pond.
Thank you for this additional information. Please let me know if
further discussion is needed in any way.
Respectfully yours,
Gene B. Cobb, P. E.
RAGSDALE ENGINEERS, P. A.
GBC/sg
Enclosure
CIVIL & ENVIRONMENTAL ENGINEERING — LANDSCAPE ARCHITECTURE — SURVEYING

RIVER
c'
V
CLAY TO Point Description
C), 1 . Existing WWTP,
Little Creek
2. Little Creek, below
Barnes Pond
3. Alternate Sites,
70 Neuse River
4. Swift Creek/S.R. 1555
nhw
arm 19esf
CLAYTON cr
201 FACILITIES PLAN
FIGURE 3 - 1
EFFLUENT LIMIT DISCHARGE
POINT LOCATIONS
1/2 0
RAGSDALE ENGINEERS, P.A.
14

RAGSDALE ENGINEERS, P.A.
310 E. JOHNSTON STREET - PO. BOX 1749 - SMITHFIELD, N.C. 27577
TELEPHONE [phone] i 934-0511
September 10, 1981
Mr. Forrest Westall , Head
Monitoring Technical Services Branch.
Division of Environmental Management
North Carolina Department of Natural Resources
and Community Development
P. 0. Box 27687
Raleigh, North Carolina 27611
Re: Request for Seasonal Effluent Limits
Clayton 201 Facilities Plan
Dear Mr. Westall ,
In conversation with Mr. Allen Wayhab last week regarding the Clayton
201 Facilities Plan, he recommended that we write to you regarding seasonal
effluent limits .
I would appreciate your calculation of seasonal limits at Q's of 1 .0
and 1 .5 MGD .into Little Creek at the present point of discharge and at a
point below Old Barnes Pond which is approximately 22 miles downstream. I
am enclosing a map showing these approximate locations and also copies of
your previous wasteload allocations for these same conditions.
Thank you for this service. Please let me know if you need further
information or if discussion is needed in any way.
Respectfully yours,
�c- - A fie.-,
Gene B. Cobb, P. E.
RAGSDALE ENGINEERS, P. A.
GBC/sg
Enclosure
CIVIL 6 ENVIRONMENTAL ENGINEERING — LANDSCAPE ARCHITECTURE — SURVEYING

Form #001
WASTE LOAD ALLOCATION APPROVAL FORM
Facility Name: Clayton 201 - Site 1 (Present Discharge Location)
County: Johnston Sub-basin: 03-04-02
Regional Office: Raleigh Requestor:_ Gene Cobb, Ragsdale Engineers
Type of Wastewater: Industrial % � - , --
Domestic 100 %
If industrial, specify type(s) of industry:
Receiving stream: Little Creek Class: C
Other stream(s) affected: Class'
7Q10 flow at point of discharge: c s
30Q2 flow at point of discharge: 0.8 c s
Natural stream drainage area at discharge point: 5.96 sq. mi.
Recommended Effluent Limitations .
MONTHLY AVERAGES
Flow 1.0 mgd 1.5 mgd zj
BOD5 9 mg/1 11 mg/1 4,
NH3N 3 mg/1 3 mg/1
DO 5 mg/1 5 mg/l
pH 6-9 SU 6-9 SU
Fecal Coliform 1000/100 ml 1000/100 ml
TSS 30 mg/l 30 mg/1
This allocation is: / YI for a proposed facility
for a new (existing) facility
a revision of existing limitations
/ / a confirmation of existing limitations
Recommended and reviewed by:
RW Date:
Head, Techncial S vices Branch Date:
Reviewed by:
Regional Supervisor Date: i
Permits Manager Date:
Approved by:
Division Director
a Date: 11 ��' �

Form #001
WASTE LOAD ALLOCATION APPROVAL FORM
Facility Name: Clayton 201 - Site 2 (0.8 mi below SR 1560)
County: Johnston Sub-basin: 03-04-02
Regional Office: Raleigh Requestor: Gene Cobb Ragsdale Engineers
Type of Wastewater: Industrial
Domestic 1
If industrial, specify type(s) of industry:
Receiving stream:• Little Creek Class: C
Other stream(s) .affected: Class:
7Q10 flow at point of discharge: 0.6 cfs
30Q2 flow at point of discharge: 2.2 cfs
Natural stream drainage area at discharge point: 12.1 s . mi.
Recommended Effluent Limitations
Monthly Averages
Flow .0 mgd .5 mgd
BODS 1 rng/1�`J 1 rg/
NH3N 9 g/ 7
DO 5 /1 5 pH 6-9 SU 6-Fecal Coliform - 1000 100 ml 100TSS 30 mgll 30
This allocation is: /x/ for a proposed facility
/ / for a new (existing) facility
/ / a revision of existing limitations
/ / a confirmation of existing limitations
Recommended and reviewed/�b/�y::�'
&A (/ Ltlf_ RW Date:
Head, Techncial Services Branch Date:
Reviewed by:
Regional Supervisor ` Date:
Permits Manager LJ •- Date:
Approved by:
Division Director Date:

Form #061
WASTE LOAD ALLOCATION APPROVAL FORM
Facility Name: Clayton 201 - Site 3 (0.5 mi. above 1560)
County: Tnhnc1-0_ Sub-basin: 03-04-02
Regional Office: Requestor: Gene Cobb, Ragsdale Engineers
Type of Wastewater: Industrial
Domestic 100
If industrial, specify type(s) of industry:
Receiving stream: Little Creek Class: C
Other stream(s) affected: Class:
7Q10 flow at point of discharge: 0.4 cfs
30Q2 flow at point of discharge: 1.5 cfs
Natural stream drainage area at discharge point: 9 sq. mi.
Recommended Effluent Limitations
Monthly Averages
Flow 1.0 mgd 1.5 mgd
BODS 8 mg/1 9 mg/l
NH3-N 4 mg/l 4 mg/1
DO 5 mg/1 5 mg/l
PH 6-9 SU 6-9 SU
Fecal Coliform 1000/100 ml 1000/100 ml
TSS 30 mg/l 30 mg/l
This allocation is: E/ for a proposed facility
for a new (existing) facility
/ / a revision of existing limitations
/_/ a confirmation of existing limitations
Recommended and reviewed by:
RW Date: --
Head, Techncial Sery ces Branch Date:
Reviewed by:
Regional Supervisor Date: ';'
Permits Manager �... `� Date:
Approved by:
Division Director Date: L