NC0034959_Wasteload Allocation_19860721

NPDES DOCUHENT SCANNING COVER SHEET
NC0034959
West Rowan High School WWTP
NPDES Permit:
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Staff Report
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
July 21, 1986
'I'hita document is printed on reuse paper - ignore any
content on the re-srerse side

NPDES WASTE�LOAD ALLOCATION
Facility Name: , �il%4ES�- 4,&'a.'v 15 ems" d/
Existing
Proposed O
Permit No .: J6 / 9 024 /96- 9 Pipe No . :
thgineer Wu! tteL .
sT� .s- .-86" 3 v
Date 'S�2,F
m00%
County: 4Ce .to
Design Capacity (MGD) : CY. ©/ d Industrial (% of Flow) : /l/7: Ibmestic (% of Flow) : /eQV7j
Receiving Stream: ,,/�,f74/2/-Ote(/ 67,--e UG Class: . Sub-Ra.sin : 7 o 7
Reference USGS Quad: 6 cp /;' (Please attach) Requestor: / e6 Regional Office AWItfl//`�e.
(Guideline limitations, if applicable, are to be listed on the back of this form.)
Design 21emp.: ,
7Q10 (cfs) /. ?
Drainage Area (mi2): 1S, o Avg. Streamflow (cfs): 4%6,
Winter 7Q10 (cfs) I ? 30Q2 (cfs)
Location of D.O. minis (miles below outfall): d d a
Slope (fpm) 3,60
Velocity (fps) : D, J6 7 Kl (base e, per day) : 0, 37 K2 (base e. aer day) :
Effluent
Characteristics
Monthly
Average
Comments
s
30
lv?(�,
//gad
Jt/ 3 -
L)
N2
t
,
- ril,
30
(0
/ELbo
/Z 44
Na‹./
►]fin 0
location (�
Comments:
i± 464
Effluent
Characteristics
:•'z nthly
Lverage
Comments
wIs
30
by '�
A4G.
0 d
NR
T,�I
30
'min
PH
411/
Reviewed By:
Date:
7/e//4

Qequest No. �3242
-�
............ ................ ...................... .... .... .... .... .... .... .... .... WASTELOAD Al LOCAT,1.'('.)N APPPOVAL FOPM ... .................. .... .......... ..................... .................... ....
FacilitU Name
Type of Waste
Status
Peceiving Stream
Stream [�lass
Subbasin
CountV
Aegional Office
Aeques�or
Date of Aequest
Quad
WEST AOWAN HICH
D�MESTIC
EXISTINC
WITHAOW CAEEK
C
O30706
AOWAN
MO[]AESVILLE
WICCINS
5/27/86
E16NW
SCHOOL
Drainage Area
Summer 7g10
Winter 7�10
Average Flow
------------------------- QECOMMEN0ED EFFLUENT LIMITS ----------------
Wasteflow
5-Day BOD
Ammonia Ni�rogen
(]xygen
DM.ssolved
TSS
Fecal Coliform
pH
THI5 IS A AEVISION OF THE
Aeviewed by:
Tech. Suppor% Supervisor
Aegional Supervisor
Perm�ts & EnQineerinQ _
-------- COMMENTS ---------
ALLOCATION ISSUED 7/�/8� �� �w^
, -'_.,
,-
�1L�� -Do=D / *�+�
Pecommended by
��
~~` ~°=-�~��.
'
��
�
J& .1ni pr-
Date

^
Facility Name
Type of Waste
Status
Receiving Stream
Stream Class
Subbasin
County
Regional Office
Requestor
Date of Request
Quad
Request No. :3242
WASTELOAD ALLOCATION APPROVAL FORM
WEST ROWAN HIGH
DOMESTIC
EXISTING
C
030706
ROWAN
MOORESVILLP
WIGGINS
5/27/86
E16NW
SCHOOL
Drainage Area (sq mi) : 45.
Summer 7010 (cfs) : 9.9
Winter 7010 (cfs) : 14.9
Average Flow (cfs) : 46.4
------------------------- RECOMMENDED EFFLUENT LIMITS
I
Wasteflow
5-Day BOD
Ammonia Nitrogen
Dissolved Oxygen
TSS
Fecal Coliform
pH
:
(mgd):
(mg/l>:
(mg/l):
(mg/l>:
(mg/l):
(SU):
/2
140
�yuW--
��1��
/y�v~.
Reviewed by:
Tech. Support Supervisor
/
Regional Superviso
Permits & Engineering _
:
:
:
SUMMER WINTER
.010 .010
30 30
N
x, ,�*~
30 30
�
1-9
CA,
------- COMMENTS -----------------------------
/
�' ��� .
Recommended bv
Date
Date
Date
Date

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LE-AIGVf- ,= 02./ m 7 43
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- ,
1 .
9,4 leo - ,2./ mi. = 23 c4/4„.
.,
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54.7; e
79/1 :I( '2'9 7fr"//' z: f
y c5 31E1 t , M = tif 00

Discharger
Receiving Stream
---------- MODEL RESULTS
: WEST ROWAN HIGH SCHOOL
: WITHROW CREEK
The End D.O. is 0.00 mg/l.
The End CBOD is 0.00 mg/l'
The End NBOD is 0.00 mg/l'
WLA WLA WLA
DO Min CBOD NBOD DO Waste Flow
(mg/1) Milepoint Reach # (Mg/1) (Mg/1) (mg/1) (mgd)
______ _________ _______ ____ ------------
Segment 1 7.64 0'00 A.
Reach 1
0.00 0.00 0.01000

*** MODEL, SUMMARY DATA ***
Discharger
w WEST ROWAN HIGH SCHOOL.
Receiving Stream „ W I THROW CREEK
Summer 7010 w 9.9
Design Temperature: '24.
Sub b ass i n : 030706
Stream Class:. C
Winter 7010 : 14.9
!LENGTH! SLOPE! VELOCITY ! DEPTH; K1 ! I.1 : K2 ! K2 1 KN 1 KN 1 KNR ! KNR 1
1 mile 1 ft/mil fps : ft !design! 320° !design! 320° !design! 320° :design; 320° 1
1
t t 3 t
Segment 1 ! 2.10: 3.6f1 0.267 1.61 1 0.44 0.37 4.66 1 1.251 0.00 1 0.00 ! 0.00 1 0.00 1
Reach 1 1
t Flow
1 cfs
Segment I Reach 1
Wr s 'tie 1 0.016
Hc.adtgaterss 1 9.900
Tributary 1 c_�.t34:0
'"�unc1 •f f 1 0.480
*
1 CBOD
1 mg/1
1129.000
2.000
0.000
2.000
Runoff flow is in cfs/mile
NBOD 1 D.O.
mg/1 1 mg/1
0„s0c01 0„000
0.000 1 7.650
0.000 1 0.000
0.000 7.650

.... .... --.... ... ........ '-.MO�EL PIE. -35 ----~-----
,Di eohar@mr �.C)WAN'H%�H SCHDOL
Aeceiving WITHAOW CQEEK
The End D.O. .s 7.7.el mQ/l.
The End CABOD .s 1.70 mg/1.
The End NBOD «s 0.00 mg/l.
Segment 1
Peach 1
WLA WLA WLA
D� Min [�B�D NB�D �� Wamte Flow
<mg/l> Mi1epoint Peach # (in g/1> (mg/I(mg (mQd)
------ ----~---- ................... .......
7.6-el 0.00 J.
0.00 0.01000

*** . Ml0DE(... SUMMARY DATA ***
•
Discharger WEST ROWAN HIGH S'iC:l••1t:If71... Sul: b t :i. n 030706
Receiving Gi•s,s•• :: .m . W:I:THROW CREEK Stream Class: C
Summer 7Q 1.0 . 9.9 Winter 7Q10 : :L11.9
Design Tinlaer'i:s.tas~ : 2A .
ILENGTHI SIrOPEI VELOCITY 1 DEPTH! K1 I K1 1 K2 1 K2 1 KN I KN I KNR 1 KNR 1
1 aile 1 f Tail fps 1 ft !design! 320° !design! @200 Idesignl @20° !design! @20° I
5egnent 1 1 2.101
Reach 1 I
601 0.267 1 1.61 1 0.45 1 0.37 1 1.37 1 1.251 0.00 10.00 10.00 10.00 1
Flow 1 CI3OD I NBOD I D.O.
cf<s 1 mg/:I. 1 mcj/.L 1 mg/:I.
Segment :L Reach :1
Ws to 0.016 1129.000 1 0.000 I 0.000
1•• rdwat r•s 1 9.900 1 2.000 1 0.000 1 7.650
Tt :i.tautary 1 0.000 1 0.000 t 0.000 1 0.000
* Runoff 1 0.4180 I 2.000 I 0.000 1 7.650
Runoff flow is in c •f sss / m :i.:l. G

`
,
Discharger
Receiving 8tre
MODEL RESULTS
: WEST ROWAN HIGH SCHOOL
m : WITHROW CREEK
The End D.O. i ' 7.75 mg/l.
The End CBOD i 1.78 mg/l.
The End NBOD id 0.00 mg/l.
Segment 1
Reach 1
DO Min
(mg/l) Milepoint Reach #
~-----
7.65 0.00 1
WLA WLA WLA
CBOD NBOD DO Waste Flow
(mg/l) (mg/l) (mg/l) ((Tigd)
129 0.00 5.00 0.01000

*** MODEL SEMINARY DATA ***
Discharger 4 WEST ROWAN HIGH SCHOOL Subs) ash i. n : 030706
Receiving Stream u WITHROW CREEK Stream Class: C
Summer 7Q 10 a 9.9 Winter 7010 „ 14.9
Design Tempe a lure: 24.
ELEN6THE'SLOPEE VELOCITY E DEPTHE K1 E K1 K2 E K2 KN ! KN KNR KNR
1 rile E ft/rail fps ft Edesignl H20° ;designl 220° ;design: 32O° Edesignl 320°
Segment 1 E 2.10E 3.6E 0.267 1.61 1 0.45E 0.37 1.37E 1.251 0.00E 0.00 0.00E 0.00
Reach l E E E E $ E E E
Flow CBOD 1 NBOD D.O.
I c f s E mg/1 I mg/1 E mg/1
Secment" 1 Reach 1
Waste I 0.016 1129.000 E 0.000 E 5.000
i-EetOL'J tter { E 9.900 .)#") 1 2.000 1 0.000
i 7.650
Tributary E �)#�)t_) E 0.000 I 0.000 E 0.000
* tnc�sff E )„49i} E S�,000 1 0„000 E 7,.650
unc=ff flaw is in cfsx/mile

,
~ .
~
�
,
MODEL RESULTS
Discharger n WEST ROWAN HIGH SCHOOL
Receiving Gtredm : WITHROW CREEK
The End D.O. is 9.44 mg/l.
The End CBOD i 1^ mg 92 /l ^
The End NBOD i� 0.00 mg/l.
_ ] _
Segment 1
Reach 1
DO Min
mg/I)
9.20
WLA WLA WLA
CBOD NBOD DO Waste Flow
Milepoint Reach # (Mg/1) (Mg/1) (mg/l> (mgd)
0.00 1
129 0.00 5.00 0.01000

,
`
~
*** MODEL- SUMMARY DATA ***
Discharger : WEST ROWAN HIGH 8CHOOL
Receiving Stream : WITHROW CREEK
Summer 7010 : 9.9
Design Temperature: 15.
Subbasin : 030706
Stream Class: C
Winter 7Q10 : 14.9
|L[NGTH! | VELOCITY | DEPTH! KI | K1 | K2 | K2 | KN | KN | KNR | KN8 |
| mile | ft/mi| fps | ft |dmsiUn| 0201 WesiUo| 0201 |desigo| @GO« |desigo| a201 1
Segment 1 | 3.101 3.601 0.363 1 1.70 | 0.30 | 0.38 1.52 ( 1.701 0.00 | 0.00 0.00 | 0.00 |
Reach 1 | | |
| Flow | CBOD | NBOD | D.O.
| cfs | mg/l | mg/l | mg/1
Seg ent 1 Reach 1
Was te 0.016 |129.000 | 0.000 | 5.000
Headwaters! 14.900 | 2.000 | 0.000 | 9.200
Tr i Putiary | 0.000 | 0.000 | 0.000 | 0.000
*R noff 0.710 | 2.000 | 0.000 | 9.200
*R unoff flow is in cfs/mile