HomeMy WebLinkAboutNC0021644_Wasteload Allocation_19800919NPDES DOC /WENT 5CANNINO COVER SHEET
NPDES Permit:
NC0021644
La Grange WWTP
Document Type:
Permit Issuance
4::-..-"Wastel°ad
Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Correspondence
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
September 19, 1980
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content on the rezrerne slide
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LAfi -�-r S ��v��.�� �'-�.: �� NPDES WASTE OAD ALLO^�N
Routing on Reverse Side
Facility Name: L a 6 r
County: -e �v ; •�
Receiving Stream: Al o-J %Dy
(//A J v w 114.•
Ci k
Design Capacity (MD): 0. 7S Design. Temp. :
Permit No.:
sand
• Date: ,I / 7 /gP
//c_ o a .2 / 6 0? Pipe No. :
Class:
/
Requestor: Wo1 X 0
Sub —basin: O3-0--0S Drainage Area:
Other Stream Affected:
t•1 Pr
Limits (circle one): Effluent Water Qualit
tf4er tt
Avg. Stream;; Flow :
•u de,.�cr
7Q10: D,(
Class:
wi �14ey-
5 w.•r.er u .
DO Sag Pt. (mi.) I '
Effluent
Characteristics
MontYL1.v Average
Weekly .Average
Max. Daily Avg,
Max jrum
Minipiim
Conc. ,
load.
, Conc. _
Load.
Conc.
Load.
Conc.,
Load.
Conc.
Load.
BODS _
5
I_V.
_
Conform
)0D�
E
gmtt,g_iFecal
I.1 I r k�
Disolved Oxygen
510
0
. g)
n'. Q i-Qc
Total SS
4-
._
1)2-)
,
3oI)("'
,
.
-`N
_
A
i
.
pH (range)
• / —
i,. i
/o --
.
/d
/
�
I
•
Prepared by:
viewed by: Date:
•
IS -3/78
TECHNICAL SERVICES
Permit Review - Evaluation Procedure
FACILITY:
Name G-rowl - W T P
Individual in Charge
LOCATION:
Town 1-4 OACkNi-c, DEM Region N 1 E 4
County LtvtD 1 r Sub -Basin o 3 - of -oc
MCPR 1
RECEIVING STREAM:
�I
Name /1165e I Cad!. e e Class G -Stip R
7/10 Flow o _ 4 cs Slope 3.1 /i14,,,,'
PERMIT:
State
NPDES
Certification
Application
COMMENTS:
cc: A. F. McRorie
L. P. Benton
C. L. Woody
Number
Issued Expires
EFFLUENT LIMITS:
Limit Based 0n -
Secondary
BPCTCA
Water Quality
M&0
Limit Specified As -
Basin NPDES State
Plan Permit Permit
Basin NPDES State.
Plan Permit Permit
BOD5 mg/1 S
TSS mg/1 3
Coliform (Fecal)/100 ml 2,00 z CO
pH G —� 6 --41
Temperature °F
Flow mgd 0.1 0.4
1o•w�# 71) 5. 0 S`; 0
Tr") Aut14
Schedule of Compliance:
Preliminary or 201
Construction Drawings
Start Construction
Complete Construction
Operational Level
2
Basin NPDES State
Plan Permit Permit
4 .
ASSIMILATIVE CAPACITY EVALUATION
LEVEL "B" ANALYSIS
SOURCE OF POLLUTION: Let, ‘-40gi—v►^,c
Areawide (208) Planning Area: Q
Facilities (201) Planning Area:
so0
400
300
200
100
90
80
70
80
50
40
30
20
10
f
Design Flow [mgd]
A. RECEIVING STREAM
Classification:
7/10 Flow (cfs)
B. ASSIMILATIVE CAPACITY DATA
Water Surface Slope (ft/mi)
Stream Velocity (fps)
Stream Depth (ft)
Elevation @ Discharge Pt. (ft)
Drainage Area (sq. mi.)
7/10 Yield (cfsm)
Design Temperature 0C)
Groundwater Runoff cfs/mi)
Deoxygenation Rate K1 Base e)
Reaeration Rate (K2 Base e)
Min. Daily Avg. D.O. (mg/1)
Upstream Quality -
BODu (mg/1)
D.O. (mg/1
C. REQUIRED EFFLUENT LIMITS
Design Flow (MGD)
BOD5 (mg/1)
Ammonia Nitrogen mg/1
Dissolved Oxygen mg/1
Total Suspended Solids (mg/1)
Fecal Coliform (#/100 ml)
pH (S.U.)
D. COMMENTS
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D. 6a
6.0
a.A
7•1
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STATE OF NORTH CAROLINA DEPARTMENT OF NATURAL AND ECONOMIC RESOURCES
ORIGINAL
FIRST UPDATE
PAGE
SECOND UPDATE
THIRD UPDATE