NC0051381_Renewal (Application)_20221215

.o-. STAIF.,•
ROY COOPER •~
', • l• --*_
`
?
Governor .a �� t;..
ELIZABETH S.BISER ..• ° ',,,,o,
Secretary `
RICHARD E.ROGERS,JR. NORTH CAROLINA
Director Environmental Quality
December 15, 2022
Highlands Fall Community Association
Attn: Jennifer Royce, Community Manager
91 Falls Dr W
Highlands, NC 28741
Subject: Permit Renewal
Application No. NC0051381
Highlands Falls Community Association WWTP
Macon County
Dear Applicant:
The Water Quality Permitting Section acknowledges the December 13, 2022, receipt of your permit renewal application
and supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW
permitting branch. Per G.S. 150B-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit. The
permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a
timely manner to requests for additional information necessary to allow a complete review of the application and renewal
of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://deq.nc.gov/permits-regulations/permit-guidance/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sincerely,
&CNN
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
cc: Mark Teague-Environmental, Inc.
ec: WQPS Laserfiche File w/application
North Carolina Department of Environmental Quality I Division of Water Resources
E ,) Asheville Regional Office 12090 U.S Highway 70 I Swannanoa.North Carolina 28778
cwca D 828 296 4500

North Carolina
Department of Environmental Quality Modified Application Form 2A
Division of Water Resources Revised March 2021
Modified Application
Form 2A
Minor Sewage Facilities < 0.1 MGD
and No Pretreatment Program
NPDES Permitting Program
RECEIVED/NCDEQ/DWR
DEC 13 2022.
Water i.it.a�ity
Permitting Section
Note: Complete this form if your facility is a MINOR new or existing publicly owned treatment works.

NPDES Permit Number Facility Name Modified Application Form 2A
NC0051381 Highlands Fall Community Modified March2021
Form NC Department of Environmental Quality-Application for NPDES Permit to Discharge Wastewater
MINOR SEWAGE FACILITIES(Before completing this form,please read the instructions.Failure to follow
NPDES the instructions • result in denial of the al.ication.
SECTION 1.BASIC APPLICATION INFORMATION FOR ALL APPLICANTS(40 CFR 122.21(j)(1)and(9))
1.1 Facility name
Highlands Falls Community Association WWTP
Mailing address(street or P.O.box)
91 Falls Drive West
City or town State ZIP code
o Highlands North Carolina 28741
Contact name(first and last) Title Phone number Email address
Jennifer Royce Community Manager [phone] [e-mail]
Location address(street,route number,or other specific identifier) ❑ Same as mailing address
21 Laurelwood Court
ur City or town State CEIVED
Highlands North Carolina 8
1.2 Is this application for a facility that has yet to commence discharge? U E C 1 3 2022
❑ Yes 4 See instructions on data submission ❑ No
requirements for new dischargers. NCDEQIDWRINPDES
1.3 Is applicant different from entity listed under Item 1.1 above? IYIi CWI YYIU'V�" C
❑ Yes ❑✓ No 4 SKIP to Item 1.4.
Applicant name
Applicant address(street or P.O.box)
0
City or town State ZIP code
' c
0.
Contact name(first and last) Title Phone number Email address
1.4 Is the applicant the facility's owner,operator,or both?(Check only one response.)
❑r Owner ❑ Operator ❑ Both
1.5 To which entity should the NPDES permitting authority send correspondence?(Check only one response.)
El Facility ❑ Applicant 0 Facility and applicant
(they are one and the same)
1.6 Indicate below any existing environmental permits.(Check all that apply and print or type the corresponding permit
number for each.
Existing Environmental Permits
a ✓❑ NPDES(discharges to surface ❑ RCRA(hazardous waste) ❑ UIC(underground injection
water) control)
E NC0051381
❑ PSD(air emissions) ❑ Nonattainment program(CAA) ❑ NESHAPs(CAA)
rn
N ❑ Ocean dumping(MPRSA) ❑ Dredge or fill(CWA Section ❑ Other(specify)
404)
Page 1

NPDES Permit Number Facility Name Modified Application Form 2A
NC0051381 Highlands Fall Community Modified March 2021
A.,.,....:-.•....1 A H A ITn
I 1.7 Provide the collection system information requested below for the treatment works.
Municipality Population Collection System Type Ownership Status
Served Served (indicate percentage)
v Highlands Falls Private facility 100 %separate sanitary sewer 0Own ❑ Maintain
a) %combined storm and sanitary sewer ❑ Own 0 Maintain
e Community not POTW
d 0 Unknown ❑ Own 0 Maintain
co %separate sanitary sewer ❑ Own 0 Maintain
o %combined storm and sanitary sewer ❑ Own 0 Maintain
o
a.
❑ Unknown ❑ Own ❑ Maintain
a %separate sanitary sewer ❑ Own 0 Maintain
%combined storm and sanitary sewer 0 Own 0 Maintain
o ❑ Unknown 0 Own ❑ Maintain
v %separate sanitary sewer ❑ Own 0 Maintain
%combined storm and sanitary sewer 0 Own 0 Maintain
co
c ❑ Unknown 0 Own ❑ Maintain
o
Total
Private Facility
Population
o Served
Separate Sanitary Sewer System Combined Storm and
Sanitary Sewer ,
Total percentage of each type of ioo % o
sewer line(in miles)
Z' 1.8 Is the treatment works located in Indian Country?
c
o ❑ Yes ❑r No
0
1.9 Does the facility discharge to a receiving water that flows through Indian Country?
o
c ❑ Yes ❑ No
1.10 Provide design and actual flow rates in the designated spaces. Design Flow Rate
0.135 mgd
Annual Average Flow Rates(Actual)
< Two Years Ago Last Year This Year
c ce
c o 0.024 mgd 0.022 mgd 0.0242 mgd
'a" Maximum Daily Flow Rates(Actual)
a Two Years Ago Last Year This Year
0.051 mgd 0.057 mgd 0.1534 mgd
u, 11' Provide the total number of effluent discharge points to waters of the State of North Carolina by type.
o Total Number of Effluent Discharge Points by Type
a. a. Constructed
;?'r-- Treated Effluent Untreated Effluent Combined Sewer Bypasses Emergency
- a Overflows
. . Overflows
V
U
n
Face

NODES Penn t Number Facility Name Modified Application Form 2A
N00051381 Highlands Fall Community Modified March 2021
Outfails Other Than to Waters of the State of North Carolina
1.12 Does the POTW discharge wastewater to basins,ponds,or other surface impoundments that do not have outlets
for discharge to waters of the State of North Carolina?
❑ Yes ❑✓ No 4 SKIP to Item 1.14.
1.13 Provide the location of each surface impoundment and associated discharge information in the table below.
Surface Impoundment Location and Discharge Data
Average Daily Volume Continuous or Intermittent
Location Discharged to Surface
Impoundment (check one)
❑ Continuous
9Pd 0 Intermittent
El Continuous
9Pd 0 Intermittent
9Pd ❑ Continuous
❑ Intermittent
s 1.14 Is wastewater applied to land?
❑ Yes El No 4 SKIP to Item 1.16.
Co 1.15 Provide the land application site and discharge data requested below.
Land Application Site and Discharge Data
o Continuous or
Location Size Average Daily Volume Intermittent
Applied (check one)
❑ Continuous
acres gpd 0 ❑ Intermittent
acresgpd 0 Continuous
0 ❑ Intermittent
acresgpd 0 Continuous
❑ Intermittent
1.16 Is effluent transported to another facility for treatment prior to discharge?
0
❑ Yes I No 4 SKIP to Item 1.21.
1.17 Describe the means by which the effluent is transported(e.g.,tank truck,pipe).
1.18 Is the effluent transported by a party other than the applicant?
❑ Yes ❑ No 4 SKIP to Item 1.20.
1 19 Provide information on the transporter below.
Transporter Data
Entity name Mailing address(street or P.O. box)
City or town State ZIP code
Contact name(first and last) Title
Phone number Email address
Page

NPDES Permit Number Facility Name Modified Application Form 2A
NC0051381 Highlands Fall Community Modified March 2021
1.20 In the table below,indicate the name,address,contact information,NPDES number,and average daily flow rate of the
receiving facility.
Receiving Facility Data
Facility name Mailing address(street or P.O.box)
City or town State ZIP code
0
Contact name(first and last) Title
0
Phone number Email address
aNPDES number of receiving facility(if any) 0 None Average daily flow rate mgd
va
1.21 Is the wastewater disposed of in a manner other than those already mentioned in Items 1.14 through 1.21 that do
0 not have outlets to waters of the State of North Carolina(e.g.,underground percolation,underground injection)?
co ❑ Yes No 4 SKIP to Item 1.23.
1.22 Provide information in the table below on these other disposal methods.
Information on Other Disposal Methods
Disposal Location of Size of Annual Average Continuous or Intermittent
Method Disposal Site Disposal Site Daily Discharge (check one)
Description Volume
acresgpd ❑ Continuous
0 Intermittent
0 Continuous
acres
gPd 0 Intermittent
acresgpd 0 Continuous
❑ Intermittent
1.23 Do you intend to request or renew one or more of the variances authorized at 40 CFR 122.21(n)?(Check all that apply.
a) y Consult with your NPDES permitting authority to determine what information needs to be submitted and when.)
c Discharges into marine waters(CWA Water quality related effluent limitation(CWA Section
RI ❑ Section 301(h)) ❑ 302(b)(2))
❑r Not applicable
1.24 Are any operational or maintenance aspects(related to wastewater treatment and effluent quality)of the treatment works
the responsibility of a contractor?
❑✓ Yes ❑ No+SKIP to Section 2.
1.25 Provide location and contact information for each contractor in addition to a description of the contractor's operational
P Pe
and maintenance responsibilities.
Contractor Information
Contractor 1 Contractor 2 Contractor_ 3
o Contractor name
Environmental,Inc
(company name)
Mailing address pp BOX 954
(street or P.O.box)
o City,state,and ZIP Cullowhee,NC 28723
code
0 Contact name(first and Mark Teague
(.1 last)
Phone number [phone]
Email address [e-mail]
Operational and All operations&maintenance
maintenance
responsibilities of
contractor
Page 4

NPDES Permit Number Facility Name Modified Application Form 2A
NC0051381 Highlands Fall Community Modified March 2021
SECTION 2.ADDITIONAL INFORMATION(40 CFR 122.21(j)(1)and(2))
o Outfalls to Waters of the State of North Carolina
2.1 Does the treatment works have a design flow greater than or equal to 0.1 mgd?
cm
0 0 Yes ❑✓ No 4 SKIP to Section 3
0
c 2.2 Provide the treatment works'current average daily volume of inflow Average Daily Volume of Inflow and Infiltration
o and infiltration. gpd
c Indicate the steps the facility is taking to minimize inflow and infiltration.
c
ro
3 •
0
c
s 2.3 Have you attached a topographic map to this application that contains all the required information?(See instructions for
to Ct. specific requirements.)
rnR
o 0 Yes ❑ No
E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information?
o 0: (See instructions for specific requirements.)
u.
❑ Yes ❑ No
2.5 Are improvements to the facility scheduled?
❑ Yes ❑ No 4 SKIP to Section 3.
Briefly list and describe the scheduled improvements.
0_
1.
c
a>
E
w
0. 2.
E
0 0
N 3.
m
w
4.
R 2.6 Provide scheduled or actual dates of completion for improvements.
c Scheduled or Actual Dates of Completion for Improvements
Scheduled Affected Begin End Begin Attainment of
.2 Improvement Outfalls Construction Construction Discharge Operational
a.E Level
(from above) (list outfall (MM/DD/YYYY) (MM/DD/YYYY) (MM/DD/YYYY)
number) (MM/DDIYYYY)
d
1.
v
0 2.
u)
3.
4.
1 2.7 Have appropriate permits/clearances concerning other federal/state requirements been obtained?Briefly explain your
response.
❑ Yes 0 No 0 None required or applicable
Explanation:
Page 5

NPDES Permit Number Facility Name Modified Application Form 2A
NC0051381
HighlandsCommunity Fall Modified March 2021
SECTION 3.INFORMATION ON EFFLUENT DISCHARGES(40 CFR 122.21(j)(3)to(5))
3.1 Provide the following information for each outfall. (Attach additional sheets if you have more than three outfalls.)
Outfall Number 001 Outfall Number Outfall Number
State North Carolina
cn
County Macon
City or town Highlands
0 Distance from shore ft. ft. ft.
fl.
Depth below surface ft. ft. ft.
Average daily flow rate mgd mgd mgd
Latitude 35° 03' 53" N ° 0
..
Longitude 83° 10' 44" W
3.2 Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
o ❑ Yes El No SKIP to Item 3.4.
F.: 3.3 If so,provide the followinginformation for each applicable outfall.
R PP
Outfall Number Outfall Number Outfall Number
Number of times per year
0 discharge occurs
o Average duration of each
discharge(specify units)
c Average flow of each
discharge mgd mgd mgd
co
n Months in which discharge
occurs
3.4 Are any of the outfalls listed under Item 3.1 equipped with a diffuser?
❑✓ Yes ❑ No 4 SKIP to Item 3.6.
3.5 Briefly describe the diffuser type at each applicable outfall.
a.
Outfall Number 001 Outfall Number Outfall Number
non-clog air diffusers
0
° ui 3.6 Does the treatment works discharge or plan to discharge wastewater to waters of the State of North Carolina from
•
one or more discharge points?
❑ Yes ❑ No 4SKIP to Section 6.
Page 6

NPDES Permit Number Facility Name Modified Application Form 2A
NC0051381 Highlands Fall Community Modified March 2021
3.7 Provide the receiving water and related information(if known)for each outfall.
Outfall Number o01 Outfall Number Outfall Number
Receiving water name Saltrock Branch
Name of watershed,river,
0
Little Tennessee River Basin
or stream system
eL U.S.Soil Conservation
Service 14-digit watershed
code
Name of state
a3
management/river basin Little Tennessee River Basin
} U.S.Geological Survey
8-digit hydrologic 0601020202
cataloging unit code
Critical low flow(acute) cfs cfs cfs
Critical low flow(chronic) cfs cfs cfs
Total hardness at critical mg/L of mg/L of mg/L of
low flow CaCO3 CaCO3 CaCO3
3.8 Provide the following information describing the treatment provided for discharges from each outfall.
Outfall Number o01 Outfall Number Outfall Number
Highest Level of O Primary ❑ Primary ❑ Primary
Treatment(check all that 0 Equivalent to 0 Equivalent to 0 Equivalent to
apply per outfall) secondary secondary secondary
❑ Secondary 0 Secondary 0 Secondary
❑ Advanced 0 Advanced 0 Advanced
O Other(specify) 0 Other(specify) 0 Other(specify)
0
a
Q. Design Removal Rates by
Outfall
m
BOD5 or CBOD5 0/0 ok
TSS 0/0
❑Not applicable 0 Not applicable 0 Not applicable
Phosphorus %
0 Not applicable 0 Not applicable 0 Not applicable
Nitrogen
0/0
Other(specify) 0 Not applicable 0 Not applicable 0 Not applicable
•
Page 7

NPDES Permit Number Facility Name Modified Application Form 2A
NC0051381 Highlands Fall Community Modified March 2021
3.9 Describe the type of disinfection used for the effluent from each outfall in the table below. If disinfection varies by
season,describe below.
c
C
0
Outfall Number 001 Outfall Number Outfall Number
0
- Disinfection type LA/Disinfection
U,
0
a�
0
Seasons used Continious Year Round
Dechlorination used? ❑� Not applicable ❑ Not applicable ❑ Not applicable
❑ Yes ❑ Yes ❑ Yes
❑ No ❑ No ❑ No
3.10 Have you completed monitoring for all Table A parameters and attached the results to the application package?
El Yes ❑ No
3.11 Have you conducted any WET tests during the 4.5 years prior to the date of the application on any of the facility's
discharges or on any receiving water near the discharge points?
❑ Yes r❑ No 4 SKIP to Item 3.13.
3.12 Indicate the number of acute and chronic WET tests conducted since the last permit reissuance of the facility's
discharges by outfall number or of the receiving water near the discharge points.
Outfall Number Outfall Number Outfall Number
Acute Chronic Acute Chronic Acute Chronic
R
Number of tests of discharge
water
Number of tests of receiving
= water
w
3.14 Does the POTW use chlorine for disinfection,use chlorine elsewhere in the treatment process,or otherwise have
reasonable potential to discharge chlorine in its effluent?
❑ Yes 4 Complete Table B,including chlorine. El No Complete Table B,omitting chlorine.
3.15 Have you completed monitoring for all applicable Table B pollutants and attached the results to this application
package?
❑ Yes ❑ No
Have you completed monitoring for all applicable Table D pollutants required by your NPDES permitting authority and
3.18 attached the results to this application package?
❑ Yes ❑ No additional sampling required by NPDES
permitting authority.
Page 8

NPDES Permit Number Facility Name Modified Application Form 2A
NC0051381 Highlands Fall Community Modified March 2021
3.19 Has the POTW conducted either(1)minimum of four quarterly WET tests for one year preceding this permit application
or(2)at least four annual WET tests in the past 4.5 years?
ID Yes ❑ No 4 Complete tests and Table E and SKIP to
Item 3.26.
3.20 Have you previously submitted the results of the above tests to your NPDES permitting authority?
❑ Yes 0 No+Provide results in Table E and SKIP to
Item 3.26.
3.21 Indicate the dates the data were submitted to your NPDES permitting authority and provide a summary of the results.
Date(s)Submitted Summary of Results
tMM/DD/YYYY1
w3.22 Regardless of how you provided your WET testing data to the NPDES permitting authority,did any of the tests result in
n toxicity?
❑ Yes ❑ No 4 SKIP to Item 3.26.
ru 3.23 Describe the cause(s)of the toxicity:
w
3.24 Has the treatment works conducted a toxicity reduction evaluation?
❑ Yes ❑ No 4 SKIP to Item 3.26.
3.25 Provide details of any toxicity reduction evaluations conducted.
3.26 Have you completed Table E for all applicable outfalls and attached the results to the application package?
ID Yes ❑� Not applicable because previously submitted
information to the NPDES.ermittin. authorit .
Page 9

NPDES Permit Number Facility Name Modified Application Form 2A
NC0051381 { Highlands Fall Community Modified March 2021
SECTION 6 CHECKLIST AND CERTIFICATION STATEMENT(40 CFR 122.22(a)and(d))
6.1 In Column 1 below,mark the sections of Form 2A that you have completed and are submitting with your application.For
each section,specify in Column 2 any attachments that you are enclosing to alert the permitting authority.Note that not
all applicants are re.giureed,01,orovide attachments_
romp.# Column 2
❑ Section 1:Basic Application ❑ w/variance request(s) ❑ wl additional attachments
Information for All Applicants
❑ Section 2:Additional ❑ wl topographic map ❑ w/process flow diagram
Information ❑ w/additional attachments
w/Table A ❑ wi Table D
❑ Section 3:Information on ❑ wi Table 6 ❑ wi additional attachments
Effluent Discharges
❑ wl Table C
Section 4:Not Applicable
Section 5:Not Applicable
❑ Section 6:Checklist and ❑ w/attachmentsmmm .__
Certification Statement
6.2 Certification Statement
I certify under penalty of law that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gather and evaluate the information
submitted.Based on my inquiry of the person or persons who manage the system,or those persons directly responsible
for gathering the information,the information submitted is,to the best of my knowledge and belief true,accurate,and
complete.I am aware that there are significant penalties for submitting false information.including the possibility of fine
and iipprisonment for knowing violations. __—
Name(print or type first and last name) Official title
Jennifer Royce , s. Community Manager
Signature ° Date signed
► ..ee 12/07/2022
Page 10

NPDES Permit Number Facility Name Outfall Number Modified Application Form 2A
NC0051381 Highlands Fall Community 001 Modified March 2021
A......_;_.......tenemn
TABLE A. EFFLUENT PARAMETERS FOR ALL POTV416
Maximum Daily Discharge Average Daily Discharge Analytical ML or MDL
Pollutant
Value Units Value Units Number of Method' (include units)
Samples
Biochemical oxygen demand
o BOD5 or o CBOD5 7.8 Mg/L 1.62 Mel 52 sm5210B-2011 ML
0 MDL
(report one)
o
Fecal coliform 152 CFU/100m1 14.10 CFU/100m1 52 sm9222D-1997 ML
O MDL
Design flow rate 0.1534 MGD 0.0242 MGD Continious
pH(minimum) 6.2 su
pH(maximum) 7.7 su
Temperature(winter) 17.6 Celcius 9.19 Celcius 26
Temperature(summer) 21 Celcius 17.18 Celcius 26
0 ML
Total suspended solids(TSS) 12.4 Mg/I 2.03 Mg/I 52 sm2540D 2 MDL
1 Sampling shall be conducted according to sufficiently sensitive test procedures(i.e.,methods)approved under 40 CFR 136 for the analysis of pollutants or pollutant parameters or
required under 40 CFR chapter I,subchapter N or 0.See instructions and 40 CFR 122.21(e)(3).
Page 11