NC0032115_Fact Sheet_20230719

DocuSign Envelope ID: E7629COD-E6BO-43BA-BF98-2BABB15D6E66
DEQ / DWR / NPDES
EXPEDITED FACT SHEET - NPDES PERMIT DEVELOPMENT
NPDES Permit NCO032115
Facility Information
Applicant/Facility Name
Town of Banner Elk
Banner Elk WWTP
Applicant Address
P.O. Box 2049, Banner Elk, NC 28604
Facility Address
Mill Pond Road, Banner Elk 28604
Permitted Flow (MGD)
0.600
Type of Waste
Municipal, < 1MGD
Facility Class
WW-3
County
Avery
Permit Status
Renewal
Regional Office
ARO
Stream Characteristics
Receiving Stream
Elk River (Mill Pond)
Stream Classification
C-Trout
Stream Segment
8-22-(3)
Drainage basin
Watauga
Summer 7Q10 (cfs)
4.2
Subbasin
[HUC]
04-02-01
060101030201
Winter 7Q10 (cfs)
6.4
Use Support
Supporting (Cat 2)
30Q2 (cfs)
9
303(d) Listed
Average Flow (cfs)
26.2
State Grid
C11NW
IWC (%)
18.13
USGS Topo Quad
C11NW
FACILITY SUMMARY: This facility is an existing 0.600 MGD municipal wastewater treatment system
with the following components:
• influent bar screen
0 comminutor
• grit chamber
• flow equalization
• two (2) aeration basins
• clarifier with return sludge
• aerobic digester
• UV disinfection
• flow measuring
• totalizing equipment
• stand-by power
• 0.8 meter Belt filter press.
COMPLIANCE HISTORY (PAST PERMIT CYCLE):
This facility has no unresolved or ongoing compliance issues.
• No enforcements since 2016.
• 2021 Limit violation for fecal weekly geo mean.
• 2018 two monitoring frequency violations.
• Inspection in April 2021 resulted in NOD
Fact Sheet
Renewal 2023 -- NPDES Permit NCO032115
Page 1

DocuSign Envelope ID: E7629COD-E6BO-43BA-BF98-2BABB15D6E66
File Review and Proposed Changes:
This facility discharges to trout waters. According to the requirements set forth in 15A NCAC 0213. 0211
(21), (6), and (18), effluent monitoring for turbidity, dissolved oxygen, and temperature, as well as instream
monitoring for temperature, must be added to this permit.
Mercury was not detected in the effluent. Monitoring has been removed. This facility treats 100% domestic
waste.
RENEWAL SUMMARY: This permit reflects discharge at Outfall 001. DWR updated the following:
1. The facility's classification has been added above the effluent table
2. Added effluent monitoring for turbidity per 15A NCAC 0213.0211 (21).
3. Added effluent monitoring for dissolved oxygen per 15A NCAC 02B.0211 (6).
4. Added instream monitoring for temperature per 15A NCAC 0213.0211 (18).
5. Mercury monitoring was removed. There was no detection of mercury in the effluent.
6. Section A. (3.) Electronic reporting of Discharge Monitoring Data has been updated to be
consistent with current federal requirements.
DATA SUMMARY:
DMR Daily Parameter Values for Aug2012-Ju12017
MFI .. ..
Effluent 00010 - Temperature, Water Deg. Centigrade
00400 - pH
31616 - Coliform, Fecal MF, MFC Broth, 44.5 C
50050 - Flow, in conduit or thru treatment plant
50060 - Chlorine, Total Residual
CO310 - BOD, 5-Day (20 Deg. C) - Concentration
CO530 - Solids, Total Suspended - Concentration
CO600 - Nitrogen, Total - Concentration
CO610 - Nitrogen, Ammonia Total (as N) -
Concentration
CO665 - Phosphorus, Total (as P) - Concentration
COMER - Mercury, Total (as Hg) - Concentration
Influent CO310 - BOD, 5-Day (20 Deg. C) - Concentration
CO530 - Solids, Total Suspended - Concentration
1116
15.19
Minimum Maximum
4
24
716
6.77
6
7.7
704
400.12
1
6000
1643
0.27
0.021
11
0
0 0
702
4.82
2
45.3
702
5.41
5
20
8
15.75
10.06
27.2
702
0.95
0.2
17.9
8
2.02
0.709
4
700
168.28
32.9
690
700
173.33
26
1680
No changes from draft to final permit, apart from updated expiration date.
Fact Sheet
Renewal 2023 -- NPDES Permit NC0032115
Page 2

DocuSign Envelope ID: E7629COD-E6BO-43BA-BF98-2BABB15D6E66
CITIZEN TIITES
Public Notice
State of North Carol ina/Environmental
Management Commission
1617 Mail Service Center,
Raleigh, NC 27699-1617
Notice of Intent to Issue a NPDES waste-
water permit
The North Carolina Environmental Man -
a ae ment Commission proposes to issue a
N ES wastewater discharge permit to
the person(s) listed below.
NCO079561:Town of Elk Park applied to
renew permit for their WWTP in Avery
County. Facility discharges treated domes-
tic wastewater to Little Elk Creek, Watau-
ga River Basin. Currently BOD, TSS, Fecal
Coliform, Ammonia, TRC, and pH are
water qualify limited. NCO032115: Town
of Banner Elk applied to renew permit for
their WWTP in Avery County. Facility dis-
charqes treated domestic wastewater to
Elk River, Watauga River Basin. Currently,
BOD, TSS, Fecal Colifonn, TRC, ammonia,
and pH are water quality limited. Written
comments regarding the proposed permit
will be accepted until 30 days after the
publish date. The Director of the NC Divi-
sion of Water Resources may hold a public
hearing should there be a significant de-
gree of public interest. Interested persons
may isit the DWR at 512 N. Salisbury.
Street, Raleigh, NC 27699. Please mail
comments and/or miormation requests to
DWR at the address listed above. Addi-
tional information on NPDES permits and
this notice may be found on our weWte:
http://deq, nc.goviabout/d ivis ionstwater-re
sources/water-resources-
waste ater/papublicv-notice , or by
calling
t9191707-3601.
Aprit 27, 2023
0005679924
VICKY FELTY
Notary Public
State of Wisconsin
PART OF THE USA TODAY NETWORK
AFFIDAVIT OF PUBLICATION
BUNCOMBE COUNTY
NORTH CAROLINA
Before the undersigned,a Notary Public, duly commissioned, qualified and
authorized by law to administer oaths, personally appeared said legal clerk,
who, being first duly sworn, deposes and says: that he/she is the Legal
Clerk of The Asheville Citizen -Times, engaged in publication of a
newspaper known as The Asheville Citizen -Times, published, issued, and
entered as first class mail in the City of Asheville, in Buncombe County and
State of North Carolina; that he/she is authorized to make this affidavit and
sworn statement; that the notice or other legal advertisement, a true copy of
which is attached here to, was published in The Asheville Citizen -Times on
the following date(s) 04127123. And that the said newspaper in which
said notice, paper, document or legal advertisement was published was, at
the time of each and every publication, a newspaper meeting all of the
requirements and qualifications of Section 1-597 of the General Statues of
North Carolina and was a qualified newspaper within the meaning of
Section 1-597 of the General Statutes of North Carolina.
Signed this 27th of April, 2023 ,
Legal Clerk
Sworn to and subscribed before the 27th of April, 2023
- r &A
Notary PubirrofState of Wis nsin, C of Brown
My Commission expires.
[phone] 1 [phone] FAX
14 O. HENRY AVE. I P.O. BOX 2090 1 ASHEVILLE, NC 28802 1 [phone]