NC0032115_Wasteload Allocation_19930507

Refer : Basinwide / Streamline WLA File
Completed By Permits & Engineering NPDES WASTE LOAD ALLOCATION
At Front Of Subbasin
PERMIT NO.: NCO032115 Modeler Date Rec. # +iI
3 a
PERMl TEE NAME: Town of Banner Elk 2 L (
FACILITY NAME: Banner Elk WWTP Drainage Area(mi ) A q Avg. Streamflow (cfs): Z6,Z
Facility Status: Existing 7Q10(cfs) 4,2 Winter 7Q10 (cfs) 6,`f 30Q2 (cfs) 9. o
Permit Status: Renewal with Modification Toxicity Limits: IWC % Acute/Chronic
Major Minor Instream Monitoring:
Pipe No.: 001 Parameters
Design Capacity: 0.600 MGD Upstream Location
Domestic (%of Flow): 100 % Downstream Location
Industrial (% of Flow): 0 %
Effluent Summer Winter
Comments: Characteristics
**_Have sent up WLA for 0.330 MGD. Please delete that one and BOD5 (m ) 30
this is the correct WLA. The application didnot have the request for NH -N (m
additional flow. It was received in later letter. 3 �) 4•S (14T /7.7 47
�r
RECEIVING STREAM:the Elk River D.O. (mgA) /7011
Class: C-Trout TSS (mg/1) 30 30
Sub-Basin: 04-02-01 F. Col. (/100 ml) Zoe
Zod
Reference USGS Quad: C11NW (please attach)
County: Avery pH (SU) 64 6-7
Regional Office:_Asheville Regional Office ( �2 zP ,??
Previous Exp.Date: 9/30/93 Treatment Plant Class: 4644 P. JWN.
Classification changes within three miles:
No change within three miles
Requested by: I Randy Kepler Date: 2/18/93
Prepared by: a r Date: f�V 1,3 Comments: � i
Reviewed D J` [/
i.�. l,5.3 J 5
W 4n-

State of North Carolina
Department of Environment, Health) and Natural Resources
512 North Salisbury Street • Raleigh, North Carolina 27604
James B. Hunt, Jr., Governor Jonathan B Howes, Secretary
DIVISION OF ENVIRONMENTAL MANAGEMENT
WATER QUALITY SECTION
April 15, 1993'l
The Honorable Charles Von Cannon, Mayor 2
Town of Banner Elk APR
Post Office Box 156
Banner Elk, North Carolina 28604 TECHr,;,i Ai wjr'l al &&NCH
Subject: Chanoe in NPDES Effluent
Lim9tations
Town of Banner Elk
Wastewater Treatment Facilities
NPDES Permit No. NC0032115
Avery County
Dear Mayor Von Cannon:
Based on the Town' s request for expansion of the wastewater
treatment facilities from 0. 330 mgd to 0. 600 mgd the Technical Support
Branch of the Division of Environmental Management has completed a
wasteload allocation for the new flow. For your information I am
enclosing a copy of the wasteload allocation which lists the existing f
permit limits and the proposed effluent limits to be included in the f
new NPDES Permit.
If you have questions concerning these new limits, please call me
at 704/251-6208.
I
Sincerely,
s _ /
Michael R. ParkeP
Environmental Specialist 1
xc : McGill Associates I E
Technical Support1V/ i
f
1
Interchange Building 59 WoodBn Place, Asheville. N.C. 28801 Telephone [phone]
An E ual O t q Opportunity Affirmarive Action Employer

FACT SHEET FOR WASTELOAD ALLOCATION
Request# 7343
Facility Name: Banner Elk WWTP
NPDES No.: NCO032115
Type of Waste: 100010 Domestic
Facility Status: Existing
Permit Status: Renewal
Receiving Stream: Elk River
Stream Classification: C-Trout
Subbasin: 040201
County: Avery Stream Characteristic:
Regional Office: Asheville USGS #
Requestor: Kepler Date:
Date of Request: 2/19/93 Drainage Area(mi2): 11.9
TopoQuad: C11NW Summer 7Q10 (cfs): 4.2
Winter 7Q10 (cfs): 6.4
Average Flow (cfs): 26.2
30Q2 (cfs): 9.0
IWC (%): 18
Wasteload Allocation Summary
n i ion(approach taken,correspondence with refit EPA etc.)
Facility requesting renewal and expansion of NPDES permit. Tech Support recommends approval
of expansion to 0.600 MGD.
Special Schedule Requirements and additional comments from Reviewers:
k `o wA., A& #-,4- 41 s ac
G ,c eA_4 Luz
�J
Recommended by: 1 �• ' Date: 4/7/93
Reviewed by
Instream Assessment: + Date: `/ 8
Regional r: I Date: 2/ 3
Petnvts& ngineering• Date:
RETURN TO TECHNICAL SERVICES BY: MAY 1 1 1993
U L� C� � OdC
APR 14 SM
WATER QUALITY SECTION
AS4EVIt REGIONAL FFICE

2
CONVENTIONAL PARAMETERS
Existing Limits:
Monthly Average
Summer Winter
Wasteflow (MGD): 0.330
BODS (mg/1): 30
NH3N (mg/1): monitor
DO(mg/1): nr
TSS (mg/1): 30
Fecal Col. V100 ml): 1000
pH (SU): 6-9
Residual Chlorine (µg/1): 17
Temperature (C): monitor
TP(mg/1): monitor
TN (mg/1): monitor
Recommended Limits:
Monthly Average
Summer Winter WQ or EL
Wasteflow (MGD): 0.600 0.600
BODS (mg/1): 30 30 WQ
NH3N (mg/1): 4.5 12.7 WQ I ��
DO(mg/1): nr nr f�'
TSS (mg/l): 30 30
Fecal Col. (/100 nil): 200 200
pH (SU): 6-9 6-9 wh \
Residual Chlorine (µg/l): 28 28 C v M 6� d
Temperature( ): monitor monitor
TP (mg/1): monitor monitor �0de��5 TN(mg/1): monitor monitor Q1�
Limits Changes Due To: Parameter(s) Affected V�1 �. A
Change in 7Q10 data �� C��J
Change in stream classification `
Relocation of discharge o-
Change in wasteflow
Other(onsite toxicity study,interaction,etc.)
Instream data
New regulations/standards/procedures NH3,Fecal,Chlorine
New facility information
(explanation of any modifications to past modeling analysis including new flows,rates, field data,
interacting discharges)
(See page 4 for miscellaneous and special conditions, if applicable)
1

3
TOXICS/METALS
Type of Toxicity Test: Chronic Ceriodaphnia P/F
Existing Limit: 12% y
Recommended Limit: 18%
Monitoring Schedule: JA,N APR JUL OCT
Existing Limits
Daily Max.
COD (mo:
Cadmium(ug/1):
Chromium (ug/1):
Copper(ug/1):
Nickel (ug/1):
Lead(ug/1):
Zinc (ug/1):
Cyanide (ug/1):
Phenols (ug/1):
Mercury (ug/1):
Silver(ug/1):
Recommended Limits
Daily Max. WQ or EL
COD (mo:
Cadmium(ug/1):
Chromium (ug/1):
Copper(ug/1):
Nickel (ug/1):
Lead (ug/1):
Zinc (ug/1):
Cyanide(ug/1):
Phenols (ug/1):
Mercury (ug/1):
Silver(ug/1):
Limits Changes Due To: Parameter(s) Affected
Change in 7Q10 data
Change in stream classification
Relocation of discharge
Change in wasteflow
New pretreatment information
Failing toxicity test
Other(onsite toxicity study,interaction, etc.)
Parameter(s) are water quality limited. For some parameters, the available load capacity of
the immediate receiving water will be consumed. This may affect future water quality based
effluent limitations for additional dischargers within this portion of the watershed.
OR
No parameters are water quality limited, but this discharge may affect future allocations.

4
INSTREAM MONITORING REQUIREMENTS
Upstream Location:
Downstream Location:
Parameters:
Special instream monitoring locations or monitoring frequencies:
MISCELLANEOUS INFORMATION& SPECIAL CONDITIONS
Adf,quacy of Existing Treatment
Has the facility der wstrated the ability to meet the proposed new limits with existing treatment
facilities? Yes V No
If no, which parameters cannot be met?
Would a "phasing in" of the new limits be appropriate? Yes No
If yes, please provide a schedule (and basis for that schedule)with the regional
office recommendations:
If no, why not?
Special Instructions or Conditions
Wasteload sent to EPA? (Major)—(Y or N)
(If yes, then attach schematic, toxics spreadsheet, copy of model,or, if not modeled, then old
assumptions that were made, and description of how it fits into basinwide plan)
Additional Information attached? (Y or N) If yes,explain with attachments.

Facility Name Banner Elk W WTP Permit# NC0032115 Pipe#001
CHRONIC TOXICITY PASS/FAIL PERMIT LIMIT (QRTRLY)
The effluent discharge shall at no time exhibit chronic toxicity using test procedures outlined in:
1.) The North Carolina Ceriodaphnia chronic effluent bioassay procedure(North Carolina Chronic Bioassay
Procedure-Revised *September 1989)or subsequent versions.
The effluent concentration at which there may be no observable inhibition of reproduction or significant mortality
is_18_To (defined as treatment two in the North Carolina procedure document). The permit holder shall
perform ouarterH monitoring using this procedure to establish compliance with the permit condition. The first
test will be performed after thirty days from the effective date of this permit during the months of_JAN_APR
JUL OCT. Effluent sampling for this testing shall be performed at the NPDES permitted final effluent discharge
below all treatment processes.
All toxicity testing results required as part of this permit condition will be entered on the Effluent Discharge
Monitoring Form(MR-1) for the month in which it was performed,using the parameter code TGP3B.
Additionally,DEM Form AT-1 (original)is to be sent to the following address:
Attention: Environmental Sciences Branch
North Carolina Division of
Environmental Management
4401 Reedy Creek Road
Raleigh, N.C. 27607
Test data shall be complete and accurate and include all supporting chemical/physical measurements performed in
association with the toxicity tests,as well as all dose/response data. Total residual chlorine of the effluent toxicity
sample must be measured and reported if chlorine is employed for disinfection of the waste stream.
Should any single quarterly monitoring indicate a failure to meet specified limits,then monthly monitoring will
begin immediately until such time that a single test is passed. Upon passing,this monthly test requirement will
revert to quarterly in the months specified above.
Should any test data from this monitoring requirement or tests performed by the North Carolina Division of
Environmental Management indicate potential impacts to the receiving stream,this permit may be re-opened and
modified to include alternate monitoring requirements or limits.
NOTE: Failure to achieve test conditions as specified in the cited document, such as minimum control organism
survival and appropriate environmental controls, shall constitute an invalid test and will require immediate
retesting(within 30 days of initial monitoring event). Failure to submit suitable test results will constitute
noncompliance with monitoring requirements.
7Q10 4.2 cfs
Permitted Flow 0.600 _ MGD Recommended by:
IWC 18 %
Basin &Sub-basin WAT01
Receiving Stream Elk River
County Avery ate /7/93
QCL PIF Version 9191

�P ELK. "0 Town of MAYOR
CHARLES B. VONCANON
S MAYOR PRUTEM
m A BRENDA LYERLY
�t/{rr / a Banner Elk COUNCIL MEMBERS
C�jj._ JOE B.PERRY
BOX 156 W m B. FARY nNmG
s 1911 Banner Elk, North Carolina 28604 1 1.C. BEAsm
[phone] HEMPNBL&GAYENus.AT oRNEYs
January 28, 1993
Mr. Randy Kepler
NPDES Permits Groups
Permits and Engineering Unit
Division of Environmental Management
Post Office Box 29535
Raleigh, North Carolina 27626-0525
RE: NPDES No. NCO032115
Town of Banner Elk -�
Avery County
Dear Mr. Kepler:
This letter is a formal request for a renewal and modification of the above a
referenced NPDES permit. The current permit is for 330,000 gpd.
The wastewater treatment plant is currently undergoing an expansion to a
capacity to 600,000 gpd with plans approved in a letter of September 28, 1990,
from the office of George T. Everett in the Department of Environment, Health
and Natural Resources. The Town would like the new permit to be for 600,000
gpd.
Also included is the additional $150.00 processing fee required for the
modification of the permit.
Please review the enclosed documents and contact us if any further information
is required.
Sincerely,
Charles B. VonCanon, Mayor

'
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BANNER ELK WWTP
banner elk wwtp
Residual Chlorine Ammonia as NH3
(summer)
7010(CFS) 4.2 7010(CFS) 4.2
DESIGN FLOW(MGD) 0.6 DESIGN FLOW(MGD) 0.6
DESIGN FLOW(CFS) 0.93 DESIGN FLOW(CFS) 0.93
STREAM STD(UG/L) 17.0 STREAM STD(MG/L) 1.0
UPS BACKGROUND LEVEL(UG/L) 0 UPS BACKGROUND LEVEL(MG/L) 0.22
IWC(%) 18.13 IWC(%) 18.13
Allowable Concentration(ug/1) 93.77 Allowable Concentration(mgll) 4.52
Ammonia as NH3
(winter)
7010(CFS) 6.4
Fecal Limit 200 1100ml DESIGN FLOW(MGD) 0.6
(based on 331 : 1) DESIGN FLOW(CFS) 0.93
STREAM STD(MG/L) 1.8
UPS BACKGROUND LEVEL(MG/L) 0.22
IWC(%) 12.69
Allowable Concentration(mg/1) 12.67
, J
NC0032115 4/6/93

WHOLEEFT'LUENT TOXICfI'Y 1ES11NG O(SEIFMONPfORWG SUMMARYI Mon,MmI5,1997 1
UR AN P!0 A APR A 1 111 AUG SI+' DCf N v
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WSRO Subbufn:CPF09 PASS --- -- FAIL PASS -
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PP:6.0 SpsiJ 93 _. _
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ASTROUIRE CORP. PPR)e:RB HR AC MONK EPIS 90 ... _ 83,2
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NC00WS53 B Ipmovmgz Rvrycu 1:Q P/F a a MAR)UN SRP DEC NmCmrqinSk:S _. -.. ... N
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NC=521 BeS'c:02U01191 ISn.1 y.Q PIP A MAR RUN SEP DRC N.C..?: Ill
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PERM CNR LBA:I.l9r _. ... M PASS PASS ... _. ...
gAR W2VB1P W Ik Il g0 PASS PASS PASS PASS --
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7Q70.3.6 PNC(A):7.12 09 17.3' 1&�' Bg.T Pts' 20.g' bl
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SANDAL,INC. N..C.W.. m aJ0' m.l- a19D' �.69' tlow
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PP: Sy id 93 1207• mso. _ _. -
orJ.c FAIL PASS
7Q10:0.00 IWC(%):100.00 B9 UTE -. ... FAIL - ... PASS -.
PERM CHR LN1:12% _, ... PASS -- PASS �-� ._ PASS -� -"
S PICM3 10.1L W V/IP 90 PASS PASS -'
p IAN APR JUL OCT NmCorrq: Pp55 - ""
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sleci9 93 PASS
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pR0 Subbuin:FR302 92 .. LATE PASS - PASS
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SUMMER
MODEL OF BANNER ELK EXPNSION,
W/ SUGAR MT. BCKGRD VALUES
---------- MODEL RESULTS ----------
Discharger TOWN OF BANNER ELK
Receiving Stream ELK RIVER
----------------------------------------------------------------------
The End D .O . is 8 . 28 mg/l .
The End CBOD is 9 . 29 mg/l .
The End NBOD is 6 . 52 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 6 . 72 0 . 00 1
Reach 1 45 . 00 20 . 30 0 . 00 0 . 60000
Reach 2 0 . 00 0 . 00 0 . 00 0 . 00000
Reach 3 0 . 00 0 . 00 0 . 00 0 . 00000
Reach 4 0 . 00 0 . 00 0 . 00 0 . 00000
Reach 5 0 . 00 0 . 00 0 . 00 0 . 00000
Reach 6 0 . 00 0 . 00 0 . 00 0 . 00000
Reach 7 0 . 00 0 .00 0 . 00 0 . 00000
Reach 8 45 . 00 90 . 00 0 . 00 0 . 08000

*** MODEL SUMMARY DATA **""
Discharger : TOWN OF BANNER ELK Subbasin 040201
Receiving Stream : ELK RIVER Stream Class : C-TR
Summer 7Q10 : 3 . 8 Winter 7Q10 6 . 0
Design Temperature : 23 . 0
ILENGTNI SLOPE; VELOCITY 1 DEPTNI Kd I Kd I Ka I Ka I KN I EN j KNR I ENR I
I mile I ft/111 fps I ft Idesignl 1201 Idesignl 1201 Idesignl 1201 Idesignl 12P I
I I I I I I I I I I I I I
Segment 1 1 0.161 95.001 0.505 1 0.62 10.65 1 0.57 153.37 1 50.001 0.63 1 0.50 1 0.63 1 0.00 1
Reach 1 1 1 1 I 1 1 1 1 i 1 1 1 1
....-•---•-----------•...............•---•-----------------.... .. .
I I i I I I I I I I I I I
Segment 1 1 0.101 35.401 0.379 10.55 1 0.45 1 0.39 125.19 124.161 0.63 1 0.50 1 0.63 1 0.00 1
Reach 2 1 1 1 1 1 1 1 1 1 i I I I
----•---••---------------•-..._..----•-----------......------------.....-------------------------_...
I II I
Segment 1 1 0,171 35.101 0.389 1 0.97 1 0.45 10.39 126.46 1 24.191 0.63 1 0.50 1 0.63 1 0.00 I
Reach 3 i I I I I I I I I I I I
.......---•-----•------------------------------------------•-------------•---••-----•.
I I I I I I I I I I I I I
Segment 1 1 0.151 35.401 0.401 1 1.00 1 0.45 1 0.40 127.30 1 25.571 0.63 1 0.50 1 0.63 1 0.00 1
Reach 4 1 1 1 1 1 1 1 1 1 1 1 1 1
-----------------------------------•-•-•_--••---......-------•----.......__--_..._----•-_....
I I I I I I I I I I I i I
Segment 1 I C.121 35.401 0,404 1 1.01 1 0.45 1 0.40 127.50 1 25.761 0.63 1 0.50 1 0.63 1 0.00 1
Reach 5 1 1 1 1 1 1 1 1 1 1 1 1 I
----•-----------------•--------•--------•---•----•-------------_..._.._.......-------•------......._.
I I I i I I I I I I I I
Segment 1 1 0.211 35.401 0.409 i 1.02 10.45 1 0,40 12' q 6.04; 0.63 1 0.50 1 0.63 10.00 1
Reach 6 1 1 1 1 1 i 1 I I
•--•-------•i•-••-•I-----•i••--••---•I••--_.I_ ......--•................................
I I I I I I
Segment 1 1 0.201 35.401 0,419 1 1.04 1 0.45 1 0.40 126.49 1 26.691 0.63 0.50 1 0.63 1 0.00 1
Reach 7 1 i i I I I i I I I
-------------------------------•--------...-----•----------......--------••--------------------•--•--
I I I I I I I I I I i
Segment 1 1 1,261 35.4c1 0.425 1.04 1 0.46 1 0.40 128.88 1 27.051 0.63 1 0.50 1 0.63 1 0.00 1
Reach 8 1 i I I I I 1
---------•------------•--------•----------------------------------•----------•---=-----.......__-----
I Flow I CBOD I NBOD I D .O. I
I cfs I mg/l I mg/l I mg/1 I
Segment 1 Reach 1
Waste 1 0 . 930 1 45 . 000 1 20 . 300 I 0 . 000
Headwatersl 4 . 200 1 5 . 900 1 5 "640 1 8 . 210 S�i
Tributary 1 0 . 000 1 OV0 1 1 . 000 7 . ?�0
* Runoff 1 0 . 000 1 2 . 000 1 1 . 000 7 . 7 = :
Segment 1 Reach 2
Waste 1 0 . 000 1 0 . 000 1 0 . 000 1 0 . 000
Tributary 1 0 . 000 I 2 . 000 1 1 . 000 I 7 . 72 ,

Segment 1 Reach 3
Waste I 0 . 000 1 0 . 000 1 0 . 000 1 0 . 000
Tributary I 0 . 400 1 2 . 000 1 1 . 000 1 7 . 720
* Runoff 1 0 . 000 ( 2 . 000 1 1 . 000 I 7 . 720
Segment 1 Reach 4
Waste 1 0 . 000 1 0 . 000 1 0 . 000 I 0 . 000
Tributary 1 0 . 500 I 2 . 000 1 1 . 000 1 7 . 720
* Runoff 1 0 . 000 1 2 . 000 1 1 . 000 1 7 . 720
Segment 1 Reach 5
Waste 1 0 . 000 1 0 . 000 1 0 . 000 I 0 . 000
Tributary 1 0 . 150 I 2 . 000 1 1 . 000 1 7 . 720
* Runoff 1 0 . 000 1 2 . 000 1 1 . 000 1 7 . 720
Segment 1 Reach 6
Waste 1 0 . 000 1 0 . 000 1 0 . 000 1 0 . 000
Tributary i 0 . 150 1 2 . 000 1 1 . 000 1 7 . 720
* Runoff I 0 . 000 1 2 . 000 1 1 . 000 1 7 . 720
Segment 1 Reach 7
Waste 1 0 . 000 1 0 . 000 1 0 . 000 1 0 . 000
Tributary 1 0 . 500 1 2 . 000 1 1 . 000 1 7 . 720
* Runoff 1 0 . 000 1 2 . 000 1 1 . 000 1 7 . 720
Segment 1 Reach 8
Waste 0 . 124 1 45 . 000 1 90 . 000 1 0 . 000
Tributary 1 0 . 000 1 2 . 000 1 1 . 000 1 7 . 720
* Runoff 1 0 . 000 1 2 . 000 1 1 . 000 1 7 . 720
* Runoff flow is in cfs/mile

SUMMER
I Seg I Reach I Seg Mi I D .O. I CBOD I NBOD I Flow
1 1 0 . 00 6 . 72 12 . 99 8 . 27 5 . 13
1 1 0 . 02 6 . 92 12 . 97 8 . 26 5 . 13
1 1 0 . 04 7 . 09 12 . 95 8 . 25 5 . 13
1 1 0 . 06 7 . 24 12 . 93 8 . 24 5 . 13
1 1 0 . 08 7 . 37 12 . 91 8 . 22 5 . 13
1 1 0 . 10 7 . 48 12 . 89 8 . 21 5 . 13
1 1 0 . 12 7 . 59 12 . 87 8 . 20 5 . 13
1 1 0 . 14 7 . 68 12 . 85 8 . 19 5 . 13
1 1 0 . 16 7 . 76 12 . 83 8 . 17 5 . 13
1 2 0 . 16 7 . 76 12 . 83 8 . 17 5 . 13
1 2 0 . 17 7 . 77 12 . 82 8 . 16 5 . 13
1 2 0 . 18 7 . 79 12 . 81 8 . 16 5 . 13
1 2 0 . 19 7 . 80 12 . 80 8 . 15 5 . 13
1 2 0 . 20 7 . 82 12 . 79 8 . 14 5 . 13
1 2 0 . 21 7 . 83 12 . 78 8 . 13 5 . 13
1 2 0 . 22 7 . 84 12 . 77 8 . 12 5 . 13
1 2 0 . 23 7 . 86 12 . 76 8 . 11 5 . 13
1 2 0 . 24 7 . 87 12 . 75 8 . 11 5 . 13
1 2 0 . 25 7 . 88 12 . 74 8 . 10 5 . 13
1 2 0 . 26 7 . 89 12 . 73 8 . 09 5 . 13
1 3 0 . 26 7 . 88 11 . 96 7 . 58 5 . 53
1 3 0 . 27 7 . 89 11 . 95 7 . 57 5 . 53
1 3 0 . 28 7 . 90 11 . 94 7 . 56 5 . 53
1 3 0 . 29 7 . 92 11 . 93 7 . 55 5 . 53
1 3 0 . 30 7 . 93 11 . 92 7 . 55 5 . 53
1 3 0 . 31 7 . 94 11 . 91 7 . 54 5 . 53
1 3 0 . 32 7 . 95 11 . 90 7 . 53 5 . 53
1 3 0 . 33 7 . 96 11 . 90 7 . 53 5 . 53
1 3 0 . 34 7 . 97 11 . 89 7 . 52 5 . 53
1 3 0 . 35 7 . 98 11 . 88 7 . 51 5 . 53
1 3 0 . 36 7 . 99 11 . 87 7 . 50 5 . 53
1 3 0 . 37 8 . 00 11 . 86 7 . 50 5 . 53
1 3 0 . 38 8 . 00 11 . 85 7 . 49 5 . 53
1 3 0 . 39 8 . 01 11 . 85 7 . 48 5 . 53
1 3 0 . 40 8 . 02 11 . 84 7 . 47 5 . 53
1 3 0 . 41 8 . 03 11 . 83 7 . 47 5 . 53
1 3 0 . 42 8 . 03 11 . 82 7 .46 5 . 53
1 3 0 . 43 8 . 04 11 . 81 7 .45 5 . 53
1 4 0 . 43 8 . 01 11 . 00 6 . 92 6 . 03
1 4 0 . 46 8 . 04 10 . 98 6 . 90 6 . 03
1 4 0 . 49 8 . 06 10 . 95 6 . 88 6 . 03
1 4 0 . 52 8 . 08 10 . 93 6 . 86 6 . 03
1 4 0 . 55 8 . 10 10 . 91 6 . 84 6 . 03
1 4 0 . 58 8 . 12 10 . 88 6 . 82 6 . 03
1 5 0 . 58 8 . 11 10 . 67 6 . 68 6 . 18
1 5 0 . 59 8 . 11 10 . 66 6 . 67 6 . 18
1 5 0 . 60 8 . 12 10 . 65 6 . 66 6 . 18
1 5 0 . 61 8 . 13 10 . 65 6 . 66 6 . 18
1 5 0 . 62 8 . 13 10 . 64 6 . 65 6 . 18
j 1 5 0 . 63 8 . 14 10 . 63 6 . 64 6 . 18
1 5 0 . 64 8 . 14 10 . 63 6 . 64 6 . 18
1 5 0 . 65 8 . 15 10 . 62 6 . 63 6 . 18
1 5 0 . 66 8 . 15 10 . 61 6 . 63 6 . 18
1 5 0 . 67 8 . 15 10 . 60 6 . 62 6 . 18
1 5 0 . 68 8 . 16 10 . 60 6 . 61 6 . 18
1 5 0 . 69 8 . 16 10 . 59 6 . 61 6 . 18
1 5 0 . 70 8 . 17 10 . 58 6 . 60 6 . 18
?8 6 . 47 6 . 33
l

1 6 0 . 76 8 . 18 10 . 34 6 . 43 6 . 33
1 6 0 . 79 8 . 19 10 . 32 6 . 41 6 . 33
1 6 0 . 82 8 . 20 10 . 29 6 . 39 6 . 33
1 6 0 . 85 8 . 21 10 . 27 6 . 38 6 . 33
1 6 0 . 88 8 . 21 10 . 25 6 . 36 6 . 33
1 6 0 . 91 8 . 22 10 . 23 6 . 34 6 . 33
1 6 0 . 94 8 . 23 10 . 21 6 . 32 6 . 33
1 6 0 . 97 8 . 23 . 10 . 19 6 . 31 6 . 33
1 7 0 . 97 8 . 19 9 . 59 5 . 92 6 . 83
1 7 0 . 99 8 . 20 9 . 58 5 . 91 6 . 83
1 7 1 . 01 8 . 21 9 . 56 5 . 90 6 . 83
1 7 1 . 03 8 . 22 9 . 55 5 . 88 6 . 83
1 7 1 . 05 8 . 22 9 . 54 5 . 87 6 . 83
1 7 1 . 07 8 . 23 9 . 53 5 . 86 6 . 83
1 7 1 . 09 8 . 23 9 . 51 5 . 85 6 . 83
1 7 1 . 11 8 . 24 9 . 50 5 . 84 6 . 83
1 7 1 . 13 8 . 24 9 . 49 5 . 83 6 . 83
1 7 1 . 15 8 . 25 9 . 48 5 . 82 6 . 83
1 7 1 . 17 8 . 25 9 . 46 5 . 81 6 . 83
1 8 1 . 17 8 . 11 10 . 10 7 . 31 6 . 95
1 8 1 . 20 8 . 12 10 . 08 7 . 29 6 . 95
1 8 1 . 23 8 . 14 10 . 06 7 . 27 6 . 95
1 8 1 . 26 8 . 15 10 . 04 7 . 25 6 . 95
1 8 1 . 29 8 . 17 10 . 02 7 . 23 6 . 95
1 8 1 . 32 8 . 18 10 . 00 7 . 21 6 . 95
1 8 1 . 35 8 . 19 9 . 98 7 . 19 6 . 95
1 8 1 . 38 8 . 20 9 . 96 7 . 17 6 . 95
1 8 1 . 41 8 . 21 9 . 94 7 . 15 6 . 95
1 8 1 . 44 8 . 21 9 . 92 7 . 13 6 . 95
1 8 1 . 47 8 . 22 9 . 90 7 . 11 6 . 95
1 8 1 . 50 8 . 23 9 . 88 7 . 09 6 . 95
1 8 1 . 53 8 . 23 9 . 86 7 . 08 6 . 95
1 8 1 . 56 8 . 23 9 . 84 7 . 06 6 . 95
1 8 1 . 59 8 . 24 9 . 82 7 . 04 6 . 95
1 8 1 . 62 8 . 24 9 . 80 7 . 02 6 . 95
1 8 1 . 65 8 . 25 9 . 78 7 . 00 6 . 95
1 8 1 . 68 8 . 25 9 . 76 6 . 98 6 . 95
1 8 1 . 71 8 . 25 9 . 74 6 . 96 6 . 95
1 8 1 . 74 8 . 25 9 . 73 6 . 94 6 . 95
1 8 1 . 77 8 . 26 9 . 71 6 . 92 6 . 95
1 8 1 . 80 8 . 26 9 . 69 6 . 90 6 . 95
1 8 1 . 83 8 . 26 9 . 67 6 . 89 6 . 95
1 8 1 . 86 8 . 26 9 . 65 6 . 87 6 . 95
1 8 1 . 89 8 . 26 9 . 63 6 . 85 6 . 95
1 8 1 . 92 8 . 27 9 . 61 6 . 83 6 . 95
1 8 1 . 95 8 . 27 9 . 59 6 . 81 6 . 95
1 8 1 . 98 8 . 27 9 . 57 6 . 79 6 . 95
1 8 2 . 01 8 . 27 9 . 55 6 . 77 6 . 95
1 8 2 . 04 8 . 27 9 . 54 6 . 76 6 . 95
1 8 2 . 07 8 . 27 9 . 52 6 . 74 6 . 95
1 8 2 . 10 8 . 27 9 . 50 6 . 72 6 . 95
1 8 2 . 13 8 . 28 9 . 48 6 . 70 6 . 95
1 8 2 . 16 8 . 28 9 . 46 6 . 68 6 . 95
1 8 2 . 19 8 . 28 9 . 44 6 . 66 6 . 95
1 8 2 . 22 8 . 28 9 . 42 6 . 65 6 . 95
1 8 2 . 25 8 . 28 9 . 40 6 . 63 6 . 95
1 8 2 . 28 8 . 28 9 . 39 6 . 61 6 . 95
1 8 2 . 31 8 . 28 9 . 37 6 . 59 6 . 95
1 8 2 . 34 8 . 28 9 . 35 6 . 57 6 . 95
1 8 2 . 37 8 . 28 9 . 33 6 . 56 6 . 95
1 8 2 . 40 8 . 28 9 . 31 6 . 54 6 . 95
1 8 2 . 43 8 . 28 9 . 29 6 . 52 6 . 95
Seg Reach Seg M1 D . O . CBOD NBOD Flow

WINTER
MODEL OF BANNER ELK EXPNSION,
W/ SUGAR MT. BCKGRD VALUES
;UC5'-7o/ V113 _/i.7 (rb)r
---------- MODEL RESULTS ----------
Discharger : TOWN OF BANNER ELK
Receiving Stream : ELK RIVER
----------------------------------------------------------------------
The End D .O. is 10 . 58 mg/l .
The End CBOD is 8 . 89 mg/l .
The End NBOD is 10 . 36 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 8 . 47 0 . 00 1
Reach 1 45 . 00 57 . 20 0 . 00 0 . 60000
Reach 2 0 . 00 0 . 00 0 . 00 0 . 00000
Reach 3 0 . 00 0 . 00 0 . 00 0 . 00000
Reach 4 0 . 00 0 . 00 0 . 00 0 . 00000
Reach 5 0 . 00 0 . 00 0 . 00 0 . 00000
Reach 6 0 . 00 0 . 00 0 . 00 0 . 00000
Reach 7 0 . 00 0 . 00 0 . 00 0 . 00000
Reach 8 45 . 00 90 . 00 0 . 00 0 . 08000

*** MODEL SUMMARY DATA ***
Discharger : TOWN OF BANNER ELK Subbasin 040201
Receiving Stream : ELK RIVER Stream Class : C-TR
Summer 7Q10 : 4 . 2 Winter 7Q10 6 . 4
Design Temperature : 12 . 0
LENGTHI SLOPEI VELOCITY I DEPTHI Ed I Kd 1 Ka I Ka I KN I KN I KNR I KHR I
I mile I ft/mil fps I ft Idesignl 0201 design) 1201 Idesignl @201 Idesignl 1201 1
I 1 1 1 i I I I I i I
Segment 1 I 0.151 95.6ai 0.660 1 0.86 1 0.46 10.66 142.01 1 50.001 0.27 1 0.50 1 0.27 1 0.00 1
Reach 1 1 I I I I I I I I I I I I
----------------•..-----......---.........._............------------------------------------.----...
I I I I I I I I I I I I I
Segment 1 I 0.101 35.401 0.496 1 0.99 1 0.31 10.44 126.53 1 31.571 0.27 1 0.50 1 0.27 1 0.00 1
Reach 2 1 1 1 1 I 1 1 1 1 1 1 1 1
•................................................................................................•---
I I I I I I I I I I I I I
Segment 1 1 0.171 35.401 0.500 1 1.02 1 0.30 1 0.44 126.77 1 31.871 0.27 1 0.50 1 0.27 0.00 1
Reach 3 1 1 1 1 1 1 1 1 1 1 1 1
-------------- .----.......---.........-----------------................----•..................
I I I I I I I I I I I I
Segment 1 0.151 35.401 0.507 1 1.04 1 0.30 1 0.44 127.'3 1 32.291 0.27 1 0.50 1 0.27 1 0.00 1
Reach 4 1 1 1 1 1 1 1 1 1 1 1 1 i
...............................•-----------------.. ... ...... .... . ...
I I I I I I I I I I I I I
Segment 1 1 0.121 35.40I 0.508 1 1.05 1 0.30 1 0.14 127.20 1 32.371 0.27 1 0.50 1 0.27 1 0.00 1
Reach 5 1 1 1 1 1 1 1 1 1 1 1 1
-------------•------......-----------------------------------........---•----•-•-------------......--
I I I I I I I I I I I I I
Segment 1 1 0.271 35.401 0.511 1 1.05 1 0.30 1 0.44 127.36 1 32.561 0.27 1 0.50 1 0.27 1 0.00 1
Reach 6 1 1 1 1 1 1 1 1 1 1 1 1 1
-----------•----•--•-------•........................ ....... .. . .
I I I I I I I I I I I i I
Segment 1 1 0.201 35,401 0,516 1 1.08 1 0.30 1 0.13 127.65 1 32.311 0.27 1 0.50 1 0.27 1 0.00 1
Reach 7 1 1 1 1 1 1 1 1 1 1 1 1 1
--------------- -------------- ----------------- -------------------------------------------- -----
I I I I I I I I I I I
Segment 1 1 1.261 35.401 0,522 1 1.08 10.30 1 0.14 127.93 1 33.251 0.27 1 0.50 1 0.27 1 0.00 1
Reach R I I I I 1 1 1 1 1 1 1 1 1
--•-••----------------••------•----•----------•-•-•----------._..._.._•-------•---------.............
I Flow I CBOD I NBOD I D.O . I
I cfs I mg/l I mg/l I mg/l I
Segment 1 Reach 1
Waste 1 0 . 930 1 45 . 000 1 57 . 200 1 0 . 000 �»
Headwatersi 6 . 400 1 t%vWQ0 : 1 9 . 700 f.
Tributary 1 0 . 000 1 2 . 000 1 1 . 000 1 9 . 700
* Runoff 1 0 . 000 1 2 . 000 1 1 . 000 1 9 . 700 �
Segment 1 Reach 2 4ri�
Waste 1 0 . 000 1 0 . 000 1 0 . 000 1 0 . 000
Tributary 1 0 . 000 1 2 . 000 1 1 .000 I 9 . 700

I -u-vuw
Segment 1 Reach 3
Waste I 0 . 000 I 0 . 000 I 0 . 000 I 0 . 000
Tributary I 0 . 400 I 2 . 000 I 1 . 000 I 9 . 700
* Runoff I 0 . 000 I 2 . 000 I 1 . 000 I 9 . 700
Segment 1 Reach 4
Waste I 0 . 000 I 0 . 000 I 0 . 000 I 0 . 000
Tributary I 0 . 500 I 2 . 000 I 1 . 000 I 9 . 700
* Runoff I 0 . 000 I 2 . 000 I 1 . 000 I 9 . 700
Segment 1 Reach 5
Waste I 0 . 000 I 0 . 000 I 0 . 000 I 0 . 000
Tributary I 0 . 150 I 2 . 000 I 1 . 000 I 9 . 700
* Runoff 0 . 000 I 2 . 000 I 1 . 000 I 9 . 700
Segment 1 Reach 6
Waste I 0 . 000 I 0 . 000 I 0 . 000 I 0 .000
Tributary I 0 . 150 I 2 . 000 I 1 . 000 I 9 . 700
* Runoff I 0 . 000 I 2 . 000 I 1 . 000 I 9 . 700
Segment 1 Reach 7
Waste I 0 . 000 I 0 . 000 I 0 . 000 I 0 . 000
Tributary i 0 . 500 I 2 . 000 I 1 . 000 I 9 . 700
* Runoff I 0 . 000 I 2 . 000 I 1 . 000 I 9 . 700
Segment 1 Reach 8
Waste I 0 . 124 145 . 000 190 . 000 I 0 . 000
Tributary I 0 . 000 I 2 . 000 I 1 . 000 I 9 . 700
* Runoff I 0 . 000 I 2 . 000 I 1 . 000 I 9 . 700
* Runoff flow is in cfs/mile

WINTER
MODEL OF BANNER ELK EXPNSION,
W/ SUGAR MT. BCKGRD VALUES
Seg # I Reach # I Seg Mi I D .O. I CBOD I NBOD I FLOW
1 1 0 . 00 8 . 47 10 . 86 12 . 16 7 . 33
1 1 0 . 02 8 . 63 10 . 85 12 . 15 7 . 33
1 1 0 . 04 8 . 77 10 . 84 12 . 14 7 . 33
1 1 0 . 06 8 . 91 10 . 83 12 . 14 7 . 33
1 1 0 . 08 9 . 04 10 . 82 12 . 13 7 . 33
1 1 0 . 10 9 . 15 10 . 81 12 . 13 7 . 33
1 1 0 . 12 9 . 26 10 . 81 12 . 12 7 . 33
1 1 0 . 14 9 .36 10 . 80 12 . 11 7 . 33
1 1 0 . 16 9 . 45 10 . 79 12 . 11 7 . 33
1 2 0 . 16 9 .45 10 . 79 12 . 11 7 . 33
1 2 0 . 17 9 . 48 10 . 78 12 . 10 7 . 33
1 2 0 . 18 9 . 52 10 . 78 12 . 10 7 . 33
1 2 0 . 19 9 . 55 10 . 78 12 . 09 7 . 33
1 2 0 . 20 9 . 58 10 . 77 12 . 09 7 . 33
1 2 0 . 21 9 . 61 10 . 77 12 . 09 7 . 33
1 2 0 . 22 9 . 64 10 . 76 12 . 08 7 . 33
1 2 0 . 23 9 . 67 10 . 76 12 . 08 7 . 33
1 2 0 . 24 9 . 70 10 . 75 12 . 07 7 . 33
1 2 0 . 25 9 . 73 10 . 75 12 . 07 7 . 33
1 2 0 . 26 9 . 75 10 . 75 12 . 07 7 . 33
1 3 0 . 26 9 . 75 10 . 29 11 . 49 7 . 73
1 3 0 . 27 9 . 77 10 . 29 11 . 49 7 . 73
1 3 0 . 28 9 . 80 10 . 29 11 . 49 7 . 73
1 3 0 . 29 9 . 82 10 . 28 11 . 48 7 . 73
1 3 0 . 30 9 . 85 10 . 28 11 . 48 7 . 73
1 3 0 . 31 9 . 87 10 . 27 11 . 48 7 . 73
1 3 0 . 32 9 . 89 10 . 27 11 . 47 7 . 73
1 3 0 . 33 9 . 91 10 . 27 11 . 47 7 . 73
1 3 0 . 34 9 . 93 10 . 26 11 . 46 7 . 73
1 3 0 . 35 9 . 95 10 . 26 11 . 46 7 . 73
1 3 0 . 36 9 . 97 10 . 26 11 . 46 7 . 73
1 3 0 . 37 9 . 99 10 . 25 11 . 45 7 . 73
1 3 0 . 38 10 . 01 10 . 25 11 . 45 7 . 73
1 3 0 . 39 10 . 03 10 . 24 11 . 44 7 . 73
1 3 0 . 40 10 . 04 10 . 24 11 . 44 7 . 73
1 3 0 . 41 10 . 06 10 . 24 11 .44 7 . 73
1 3 0 . 42 10 . 07 10 . 23 11 . 43 7 . 73
1 3 0 . 43 10 . 09 10 . 23 11 . 43 7 . 73
1 4 0 . 43 10 . 07 9 . 73 10 . 80 8 . 23
1 4 0 . 46 10 . 11 9 . 72 10 . 79 8 . 23
1 4 0 . 49 10 . 15 9 . 71 10 . 77 8 . 23
1 4 0 . 52 10 . 19 9 . 70 10 . 76 8 . 23
1 4 0 . 55 10 . 23 9 . 69 10 . 75 8 . 23
1 4 0 . 58 10 . 26 9 . 68 10 . 74 8 . 23
1 5 0 . 58 10 . 25 9 . 54 10 . 57 8 . 38
1 5 0 . 59 10 . 26 9 . 54 10 . 57 8 .38
1 5 0 . 60 10 . 27 9 . 53 10 . 56 8 . 38
1 5 0 . 61 10 . 28 9 . 53 10 . 56 8 . 38
1 5 0 . 62 10 . 29 9 . 52 10 . 56 8 . 38
1 5 0 . 63 10 . 30 9 . 52 10 . 55 8 . 38
1 5 0 . 64 10 . 31 9 . 52 10 . 55 8 . 38
1 5 0 . 65 10 . 31 9 . 51 10 . 55 8 . 38
1 5 0 . 66 10 . 32 9 . 51 10 . 54 8 . 38
1 5 0 . 67 10 . 33 9 . 51 10 . 54 8 . 38
1 5 0 . 68 10 . 34 9 . 50 10 . 53 8 . 38
1 5 0 . 69 10 . 35 9 . 50 10 . 53 8 . 38
1 5 0 . 70 10 . 35 9 . 50 10 . 53 8 . 38
1 6 0 .70 10 . 34 9 . 37 10 . 36 8 . 53

. - a. :)o
1 6 0 . 76 10 . 38 9 . 34 10 . 34 8 . 53
,1 6 0 . 79 10 . 40 9 . 33 10 . 33 8 . 53
1 6 0 . 82 10 . 42 9 . 32 10 . 32 8 . 53
1 6 0 . 85 10 . 43 9 . 31 10 . 31 8 . 53
1 6 0 . 88 10 . 45 9 . 30 10 . 30 8 . 53
1 6 0 . 91 10 . 46 9 . 29 10 . 29 8 . 53
1 6 0 . 94 10 . 47 9 . 28 10. 28 8 . 53
1 6 0 . 97 10 . 48 9 . 27 10 . 27 8 . 53
1 7 0 . 97 10 . 44 8 . 87 9 . 76 9 . 03
1 7 0 . 99 10 . 45 8 . 87 9 . 75 9 . 03
1 7 1 . 01 10 . 45 8 . 86 9 . 74 9 . 03
1 7 1 . 03 10 . 46 8 . 85 9 . 74 9 . 03
1 7 1 . 05 10 .47 8 . 85 9 . 73 9 . 03
1 7 1 . 07 10 . 48 8 . 84 9 . 73 9 . 03
1 7 1 . 09 10 . 49 8 . 83 9 . 72 9 . 03
1 7 1 . 11 10 . 49 8 . 83 9 . 71 9 . 03
1 7 1 . 13 10 . 50 8 . 82 9 . 71 9 . 03
1 7 1 . 15 10 . 50 8 . 82 9 . 70 9 . 03
1 7 1 . 17 10 . 51 8 . 81 9 . 69 9 . 03
1 8 1 . 17 10 . 37 9 . 30 10 . 78 9 . 15
1 8 1 . 20 10 . 39 9 . 29 10 . 77 9 . 15
1 8 1 . 23 10 . 40 9 . 28 10 . 76 9 . 15
1 8 1 , 26 10 , 42 9 , 27 10 , 75 9 , 15
1 8 1 . 29 10 . 43 9 . 26 10 . 74 9 . 15
1 8 1 . 32 10 . 45 9 . 25 10 . 73 9 . 15
1 8 1 . 35 10 .46 9 . 24 10 . 72 9 . 15
1 8 1 . 38 10 . 47 9 . 23 10 . 71 9 . 15
1 8 1 . 41 10 .48 9 . 22 10 .70 9 . 15
1 8 1 . 44 10 . 49 9 . 21 10 . 69 9 . 15
1 8 1 . 47 10 . 50 9 . 20 10 . 68 9 . 15
1 8 1 . 50 10 . 51 9 . 19 10 . 67 9 . 15
1 8 1 . 53 10 . 51 9 . 18 10 . 66 9 . 15
1 8 1 . 56 10 . 52 9 . 17 10 . 65 9 . 15
1 8 1 . 59 10 . 52 9 . 16 10 . 64 9 . 15
1 8 1 . 62 10 . 53 9 . 15 10 . 63 9 . 15
1 8 1 . 65 10 . 53 9 . 14 10 . 62 9 . 15
1 8 1 . 68 10 . 54 9 . 13 10 . 61 9 . 15
1 8 1 . 71 10 . 54 9 . 12 10 . 60 9 . 15
1 8 1 . 74 10 . 55 9 . 11 10 . 59 9 . 15
1 8 1 . 77 10 . 55 9 . 10 10 . 58 9 . 15
1 8 1 . 80 10 . 55 9 . 09 10 . 57 9 . 15
1 8 1 . 83 10 . 55 9 . 08 10 . 56 9 . 15
1 8 1 . 86 10 . 56 9 . 08 10 . 55 9 . 15
1 8 1 . 89 10 . 56 9 . 07 10 . 54 9 . 15
1 8 1 . 92 10 . 56 9 . 06 10 . 53 9 . 15
1 8 1 . 95 10 . 56 9 . 05 10 . 52 9 . 15
1 8 1 . 98 •10 . 56 9 . 04 10 . 51 9 . 15
1 8 2 . 01 10 . 57 9 . 03 10 . 50 9 . 15
1 8 2 . 04 10 . 57 9 . 02 10 . 49 9 . 15
1 8 2 . 07 10 . 57 9 . 01 10 . 48 9 . 15
1 8 2 . 10 10 . 57 9 . 00 10 . 47 9 . 15
1 8 2 . 13 10 . 57 8 . 99 10 . 46 9 . 15
1 8 2 . 16 10 . 57 8 . 98 10 . 45 9 . 15
1 8 2 . 19 10 . 57 8 . 97 10 . 44 9 . 15
1 8 2 . 22 10 . 57 8 . 96 10 . 43 9 . 15
1 8 2 . 25 10 . 57 8 . 95 10 . 42 9 . 15
1 8 2 . 28 10 . 58 8 . 94 10 . 41 9 . 15
1 8 2 . 31 10 . 58 8 . 93 10 . 40 9 . 15
1 8 2 . 34 10 . 58 8 . 92 10 . 39 9 . 15
1 8 2 . 37 10 . 58 8 . 91 10 . 38 9 . 15
1 8 2 . 40 10 . 58 8 . 90 10 . 37 9 . 15
1 8 2 . 43 10 . 58 8 . 89 10 . 36 9 . 15
I Seg # I Reach # I Seg Mi I D.O. I CBOD I NBOD I Flow

v SOC PRIORITY PROJECT:Yes No X
IF YES, SOC NUMBER
t>*" C ' TO: PERMITS AND ENGINEERING UNIT
�" WATER QUALITY SECTION
ATTENTION: Randy Kepler
DATE: February 10, 1993
c rt NPDES STAFF REPORT AND RECOMMENDATION
COUNTY Avery
PERMIT NUMBER NCO032115
PART I - GENERAL INFORMATION f
1 . Facility and Address: Town of Banner Elk
Post Office Box 156
Banner Elk, North Carolina 28604
2 . Date of Investigation: February 3 , 1993
3 . Report Prepared By: Michael R. Parker
4. Persons Contacted and Telephone Number: Scott Vasguard
704/898-5398
5 . Directions to Site: From the intersection of North Carolina
Highway 184 and North Carolina Secondary Road 1342, turn onto
NCSR 1342 cross stream and turn right on gravel road. Follow
gravel road to end where you will find the WWTP.
6. Discharge Point( s) , List for all discharge points:
Latitude: 36°09 ' 27" Longitude: 81°53 ' 10"
Attach a USGS map extract and indicate treatment facility site and
discharge point on map.
U. S.G. S. Quad No. C11NW U. S.G. S . Quad Name Elk Park, N.C. -Tenn.
7. Site size and expansion area consistent with application?
_X_ Yes No If No, explain:
8. Topography (relationship to flood plain included) : Facility is
adjacent to stream in flat area. Treatment units will be
constructed 1 foot above the 100 year flood level .
Page 1

9 . Location of nearest dwelling: The closest house is across the
stream approximately 300 feet to the northeast.
10. Receiving stream or affected surface waters: Elk River
a. Classification: C-trout
b. River Basin and Subbasin No. : WAT O1
C . Describe receiving stream features and pertinent downstream
uses: fish and wildlife propagation, fishing, wading,
irrigation, swimming.
PART II - DESCRIPTION OF DISCHARGE AND TREATMENT WORKS
1 . a. Volume of wastewater to be permitted 0. 600MGD (Ultimate
Design Capacity)
b. What is the current permitted capacity of the Wastewater
Treatment facility? 0. 330 MGD
C . Actual treatment capacity of the current facility (current
design capacity 0. 330 MGD
d. Date(s) and construction activities allowed by previous
Authorizations to Construct issued in the previous two years:
A to C for expansion issued 9/28/90
e. Please provide a description of existing or substantially
constructed wastewater treatment facilities: The existing
activated sludge facilities consist of a bar screen,
communitor, grit chamber, aeration basin, clarifiers with
return sludge, anaerobic digester, chlorine contact basin,
dechlorination/reaeration basin, flow measuring and
totalizing equipment and sludge drying beds .
f. Please provide a description of proposed wastewater treatment
facilities: It is proposed to construct a new bar screen,
grit removal unit, convert existing digester to 40,000 gallon
flow equalization unit, convert existing clarifiers and
aeration basins to one aeration basin, construct new
clarifier, pump station, aerobic digester, cover sludge
drying beds construct new control building, install new
blowers, install new ultraviolet disinfection facilities and
construct a new sludge storage pad 85' X 55 ' and associated
piping and appurtenances . n
g. Possible toxic impacts to surface waters: NA
h. Pretreatment Program (POTWs only) : NA
in development approved
should be required not needed X
Page 2

2 . Residuals handling and utilization/disposal scheme: Drying beds to
land application.
a. If residuals are being land applied, please specify DEM
Permit Number WQ0004599 and WQ0004678
Residuals Contractor
Telephone Number
b. Residuals stabilization: PSRP X PFRP OTHER
C. Landfill:
d. Other disposal/utilization scheme (Specify) :
3 . Treatment plant classification (attach completed rating sheet) :
Existing plant-Class III New plant-Class III
4. SIC Codes(s) : 4952
Wastewater Code(s) of actual wastewater, not particular facilities
i . e. , non-contact cooling water discharge from a metal plating
company would be 14, not 56.
Primary 01 Secondary 03
Main Treatment Unit Code: 02003
PART III - OTHER PERTINENT INFORMATION
1. Is this facility being constructed with Construction Grant Funds
or are any public monies involved. (municipals only)? NA
2 . Special monitoring or limitations ( including toxicity) requests:
3 . Important SOC, JOC, or Compliance Schedule dates: (Please
indicate)
Date
Submission of Plans and Specifications
Begin Construction
Complete Construction
Page 3
I
II

4. Alternative Analysis Evaluation: Has the facility evaluated all
of the non-discharge options available. Please provide regional
perspective for each option evaluated.NA-Regional municipal plant.
Spray Irrigation:
Connection to Regional Sewer System:
Subsurface:
Other disposal options:
5 . Other Special Items:
PART IV - EVALUATION AND RECOMMENDATIONS
The Town of Banner Elk has made application for renewal of their
NPDES Permit. In September of 1990, the Town received an
Authorization to Construct for improvements and expansion of the
existing wastewater treatment facility from 0. 330 MGD to 0. 600
MGD. Currently the facility is operating on the edge of their
NPDES Permit limits with violations of permit limits for TSS in
December 1992 and violations of BOD and TSS in January 1993 .
Construction of the new facilities are well underway and are
expected to be completed by the end of 1993 .
It is recommended that the permit be issued.
77 dZ�
Signature of Repor Preparer
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94�4&
ter Quality Regional Supervisor
Date
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