NC0034703_Wasteload Allocation_19860905

NPDES DOCUMENT SCANNING COVER SHEET
NPDES Permit:
NC0034703
Knollwood Elementary School WWTP
Document Type:
Permit Issuance
Wasteload Allocation '
Authorization to Construct (AtC)
Permit Modification
Speculative Limits
Complete File
- Historical
Instream Assessment
(67B)
Environmental Assessment (EA)
Permit
History
Document Date:
September 5, 1986
Thi�a clocumerit ins printed on reuse paper - ignore nay
cao aterzt curt the reazerse side

Receiving Stream: Z >/y /e, Kt
Facility Name:
Existing
Proposed O
/ NPDES WASTE LOAD ALLOCATION
[
i//o`/Zwe . .E/e ew fry2ide/
Permit No.: /j/(:_ ea cf Pipe No.: ®D /.
thgineer J udL? f 8
• ht.
ri - 1 Si6 1 i
Dat�/32_4
/Pl
Design Capacity (MGD): (9, (5// # Industrial (% of Flow): 1/1
County:
Domestic (% of Flow) :
Class: Sub -Basin: 030 7d r
Reference USGS Quad: L�/6 �$'� (Please attach) Requestor: ���') L zd(zr Regional Offict
(Guideline limitations, if applicable, are to be listed on the back of this form.)
Design Zhmp.: o25 Drainage Area (mil): 7 9i Avg.. Streamflow (cfs) : 8. 0
7Q10 (cfs)
0.( Winter 7Q10 (cfs)
1.9
Location of D.O. minimum (miles below outfall) : 0,0
Velocity (fps) : 0, 10U
Kl (base e, per day):
30Q2 (cfs)
Slope (fpm)
O. 3 9 K2 (base e. per day) : 02 . l b
Effluent
Characteristics
Monthly
Average
Cbnments
$0P5
30r J,Q
TSS
3 o,Q
Re,/ ceer-s—
)000 4,/roo,,,4
rff
(o 9 S.U.
,
I
1
kti /
i -8V
Effluent
Characteristics
:•5nthly
Lverage
Cbnments
50.05
30 ►�
TSS
f./Q
30�/,Q
t"��+--c Gr�
^''�
� �o v � ov4
U
9 5.0.
12� .
v6.
Date: 9/5/16

^ Request No. :3241
WASTELOAD ALLOCATION APPROVAL FORM
Facility Name : KNOLLWOOD ELEMENTARY SCHOOL
Type of Waste : DOMESTIC
Status : EXISTING
Receiving Stream : LITTLE CREEK
Stream Class : C
Subbasin : 030704
County : ROW
Regional Office : MR[I I Drainage Area (sq mi) : 7.49
Requestor : WIGGINS Summer 7Q10 (cfs) : 0.6
Date of Request : 5/27/86 Winter 7010 (cfs) : 1.4
Quad : E168E Average Flow (cfs) : 8.0
RECOMMENDED EFFLUENT LIMITS
: SUMMER WINTER
Wasteflow (mgd): .011 .011
5-Day BOD (mg/1): 30 30
Ammonia Nitrogen (mg/1): NR NR
Dissolved Oxygen (mg/1): NR NR
TS8 (mg/1): 30 30
Fecal Coliform (#/100ml): 1000 1000
pH (SU): 6-9 6-9
Reviewed by:
Tech. Support Supervisor
Regional Supervisor
Permits & Engineering _
:
:
:
COMMENTS
Recommended by
Date
Date
Date
Date _ ___

Discharger
.Receiving Stream
MODEL RESULTS
: KNOLLWOOD ELEMENTARY SCHOOL
: LITTLE CREEK
The End D.O. is 7.57 mg/1.
The End CBOD is 3.35 mg/1.
The End NBOD is 0.00 mg/1.
DO Min
(mg/1) Milepoint Reach #
Segment 1 7.35 0.00 1
Reach 1
WLA WLA WLA
CBOD NBOD DO Waste Flow
(mg/1) (mg/1) (mg/1) (mgd)
110 0.00 0.00 0.01100

*** MODEL SUMMARY DATA ***
Discharger
Receiving Stre
Summer 7010
: KNOLLWOOD ELEMENTARY SCHOOSubbasin : 030704
: LITTLE CREEK Stream Class: C
: 0.6 Winter 7010 : 1.4
Design Temperature: 25.
!LENGTH! SLOPE! VELOCITY 1 DEPTH! K1 I K1 1 K2 1 K2 1 KN 1 KN 1 KNR 1 KNR 1
1 mile 1 ft/ei! fps 1 ft !design! 820' !design! 820° !design! 820' !design! 820' 1
Segment 1 1 1.20 12.00! 0.100 1 0.67 1 0.49 1 0.39 1 2.41 1 2.161 0.00 1 0.00 1 0.00 1 0.00 1
Reath 1 I 1 1 I
1 Flow 1 CLOD I NESOD 1 D.O. :
! cfs 1 mg/1 1 mg/1 1 mg/1 1
Segment 1 Reach 1
Waste 1 0.017 1110.000 1 0.000 1 0.000
Headwaters: 0.600 1 2.0OO 1 0.000 1 7.560
Tributary 1 0.000 1 0.000 1 0.000 1 0.000
* Runoff 1 0.080 1 2.000 1 0.000 1 7.560
Runoff flow is in cfs/mile

-
0
6 h o, 91,„"
, *fes1 I (a, = 7D7L-
2s0 —* gr. = Y„2 /71-
CJoek 6 j /IJz WW 3Z9 -
Z / 77Z C C,C& 7C(03670
,JiV0LU JooD
9A-
ez = 19b274'�
l
7/7��6
_woo 7. 6_6 cif
?2..2;oc5
- ?4

-
,
.
_z-
bii °Le_ 0 600 -ie-7-,7& - - A i f-;•2-x-/ 3a'nr02
.
-,
'
/1'.
" •
-22
v „blt--
• 7; ,_ir
,
•
_52 szot
-
,
11.c6 — 8 el's
/J) 59/,..e.o-
-,,--;--„, -..-oe a4„-
4,4•-: /, y A
4
x..0 = b a ,n; / / 7 4,-
- .
•
..

St-reQm :
frl a.; ft ste.V
6('OAcli
Sure. c4<<u L he ri S
/,1ia�, — d /4 3 4„
!!!!!!!!!!!!!!!!!!!!!!►
!!
11111111111111111111111111111111111111111111111111111111111.
!!!!!!!!!!!11%1111 /%��!!!!!!!�►
!!!!!!!MINA !!!!!!!!!ii!!!!!!!
!!!!NIMIMM!!!!!!N!!!!!lE��NIMMM
����%!!!�■ !!!!!!!!!!!!!!!!!!
!!!!!!M!!!!
!!!!!!!!!!!!!NNIMI MUMM !! M
!!!!!!!!!!!!!!!!!!!!!liiiiii�
!!!!!!!!!!!!!!!!!!1•MMI ■!■■i
!!!!!!!11!!!1111!!!!!!!!!!!!!!!!
iii11!!!!!!!!!!!!!!!!!!!!!!!!!
I!liiII!!!!!!!!!!!!!!!!!!!III
!!!!lliii�!!�!!!!!!!11!!!!!!!!
!!! !!!!!!!! !!
Cum
e ltv d i st
7rn 0
90 /63
/.
sic
Q;S Lance.