NC0021881_Renewal (Application)_20240213

ROY COOPER
Governor
ELIZABETH S. BISER
Secretory
RICHARD E. ROGERS, JR.
Director
Robert Bailey, Jr
Town of Lake Waccamaw
PO Box 145
Lake Waccamaw, NC 28450-0145
Subject: Permit Renewal
Application No. NCO021881
Lake Waccamaw WWTP
Columbus County
Dear Applicant:
NORTH CAROLINA
Environmental Quality
February 13, 2024
The Water Quality Permitting Section acknowledges the February 13, 2024, 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•//dgg 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,
Cynthia Demery
Administrative Assistant
Water Quality Permitting Section
ec: WQPS Laserfiche File w/application
�Q North carolina Department of Environmental Quality I Division of Water Resources
D_E 3 Wilmington Regional Office 1 127 Cardnal Drive Extension I WRmi gton. North Carolina 28405
/ 910.7%.7215

ON THE SHORES OF NORTH CAROLINA'S LARGEST NATURAL LAKE
P.O. Box 145
Lake Waccamaw, North Carolina 28450
[phone]
[phone] Fax
February 7, 2024
Division of Water Resources
Water Quality Permitting Section - NPDES
1617 Mail Service Center
Raleigh, NC 27699-1617
Dear NPDES Unit:
RECEIVED
FEB 13 2024
NCDEQ/DWP/NPDES
Subject: Request for NPDES Renewal
NPDES Permit #NC0021881
Town of Lake Waccamaw
Lake Waccamaw WWTPr
Columbus County
The Town of Lake Waccamaw is submitting the renewal application package for NPDES #: NCO021881.
The permit expiration date is July 31, 2024. The renewal application package consists of:
• Cover letter
• Application Form 2A with tables A, B, and D
• Topographic map
• Plant Schematic
If you have any additional questions, please contact Greg Milliken at 910-770-2523.
Sincerely,\v
Town Manager
Town of Lake Waccamaw

EPA Identification Number
NPDES Permit Number
Form Approved 03/05/19
110006710906
NCO021881
Lake Waccamaw
OMB No. 2040-0004
Form
U.S. Environmental Protection Agency
2A
6EPA
Application for NPDES Permit to Discharge Wast t
NPDES
NEW AND EXISTING PUBLICLY OWNED TREATME E' V
SECTION•
•• • FOR i
1.1
Facility name 2024
Lake Waccamaw WWTP
Mailing address (street or P.O. box) NC®EQ/®1NR/N
PO Box 145
City or town
State
ZIP code
o
Lake Maccamaw
NC
28450-0145
Contact name (first and last)
Title
Phone number
Email address
Greg Milliken
Public Works Director
910-770-2523
gmilliken@lakewaccamawn
Location address (street, route number, or other specific identifier) ❑ Same as mailing address
J.1692
Dupree Landing Road
City or town
State
ZIP code
Lake Waccamaw
I NC
28450-0145
1.2
Is this application for a facility that has yet to commence discharge?
❑ Yes 4 See instructions on data submission 0 No
requirements for new dischargers.
1.3
Is applicant different from entity listed under Item 1.1 above?
❑ Yes ❑✓ No 4 SKIP to Item 1.4.
Applicant name
Applicant address (street or P.O. box)
0
w
E
City or town
State
ZIP code
w
Contact name (first and last)
Title
Phone number
Email address
Q
a
a
1.4
Is the applicant the facility's owner, operator, or both? (Check only one response.)
® Owner ✓❑ Operator ❑ Both
1.5
To which entity should the NPDES permitting authority send correspondence? (Check only one response.)
❑ 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.
mExisting
Environmental Permits
a
a
® NPDES (discharges to surface
❑ RCRA (hazardous waste)
❑ UIC (underground injection
m
water)
control)
E
NCO021881
c
❑ PSD (air emissions)
❑ Nonattainment program (CAA)
❑ NESHAPs (CAA)
c
w
m
❑ Ocean dumping (MPRSA)
❑ Dredge or fill (CWA Section
® Other (specify)
w
404)
WQCS00203
FBI
DES
..•
EPA Form 3510-2A (Revised 3-19) Page 1

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110006710906
NCO021881
Lake Waccamaw
OMB No. 2040-0004
1.7
Provide the collections stem information requested below for the treatment works.
Municipality
Population
Collection System Type
Status
Served
Served
indicatepercentage)Ownership
Town of Lake
1480
100 % separate sanitary sewer
0 Own ❑ Maintain
Z
Waccamaw
0 % combined storm and sanitary sewer
❑ Own ❑ Maintain
N
ElUnknown
ElOwn ❑ Maintain
c
% separate sanitary sewer
❑ Own ❑ Maintain
% combined storm and sanitary sewer
❑ Own ❑ Maintain
a
❑ Unknown
❑ Own ❑ Maintain
0
CL
% separate sanitary sewer
❑ Own ❑ Maintain
% combined storm and sanitary sewer
❑ Own ❑ Maintain
❑ Unknown
❑ Own ❑ Maintain
-S
% separate sanitary sewer
❑ Own ❑ Maintain
% combined storm and sanitary sewer
❑ Own ❑ Maintain
c
❑ Unknown
❑ Own ❑ Maintain
Total 1480
Population
coy
Served
Separate Sanitary Sewer System
Combined Storm and
Sanitary Sewer
Total percentage of each type of
sewer line in miles)
100 %
0 %
'
1.8
Is the treatment works located in Indian Country?
c
'
0
U
ElYes ✓❑ No
1.9
Does the facility discharge to a receiving water that flows through Indian Country?
❑ Yes ❑✓ No
1.10
Provide design and actual flow rates in the designated spaces.
Design Flow Rate
0.4 mgd
=
Annual Average Flow Rates Actual
Two Years Ago
Last Year
This Year
c
r_ 0
0.180 mgd
0.160 mgd
0.194 mgd
Maximum Daily Flow Rates Actual
Two Years Ago
Last Year
This Year
0.635 mgd
0.476 mgd
0.965 mgd
1.11
Provide the total number of effluent discharge points to waters of the United States by type,
Total Number of Effluent Discharge Points by Type
aConstructed
Combined Sewer
s
Treated Effluent
Untreated Effluent
Overflows
Bypasses
Emergency
Overflows
IA
1
NA
NA
NA
NA
EPA Form 3510-2A (Revised 3-19) Page 2

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110006710906
NCO021881
Lake Waccamaw
OMB No. 2040-0004
Outfalls Other Than to Waters of the United States
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 United States?
❑ Yes ❑J 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 Im oundment Location and Dischar a Data
Average Daily Volume
Continuous or Intermittent
Location
Discharged to Surface
Impoundment
(check one)
❑ Continuous
gpd
❑ Intermittent
❑ Continuous
gpd
❑ Intermittent
gpd
❑ Continuous
❑ Intermittent
s°,
1.14
Is wastewater applied to land?
2
❑ Yes ❑✓ No 4 SKIP to Item 1.16.
0
1.15
Provide the land application site and discharge data requested below.
CL
Land Application Site and Discharge Data
°
Average Daily Volume
Continuous or
Location
Size
Applied
Intermittent
a
check one
acres
gpd
❑ Continuous
c
❑ Intermittent
acres
gpd
ElContinuous
o
❑ Intermittent
acres
d
gpd
❑ Continuous
❑ Intermittent
1.16
Is effluent transported to another facility for treatment prior to discharge?
❑ Yes ❑ No 4 SKIP to Item 1.21.
o
1.17
Describe the means by which the effluent is transported (e.g., tank truck, pipe).
Please see cover Letter regarding this section
1.18
Is the effluent transported by a party other than the applicant?
❑ Yes [3 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
EPA Form 3510-2A (Revised 3-19) Page 3

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110006710906
NCO021881
Lake Waccamaw
OMB No. 2040-0004
1.20
In the table below, indicate the name, address, contact information, NPDES number, and average daily flow rate of the
receiving facility.
Receiving F cility Data
m
Facility name
Mailing address (street or P.O. box)
3
City or town
State
ZIP code
0
U
Contact name (first and last)
Title
0
t
Phone number
Email address
0
NPDES number of receiving facility (if any) ❑ None
Average daily flow rate m d
9 Y 9
�
0
1.21
Is the wastewater disposed of in a manner other than those already mentioned in Items 1.14 through 1.21 that do not
have outlets to waters of the United States (e.g., underground percolation, underground injection)?
m
s
❑ Yes ❑✓ No + SKIP to Item 1.23.
c
1.22
Provide information in the table below on these other disposal methods.
Information on Other Dis osal Methods
o
Disposal
Method
Location of
Size of
Annual Average
Daily Discharge
Continuous or Intermittent
Description
Disposal Site
Disposal Site
Volume
(check one)
acres
gpd
❑ Continuous
❑ Intermittent
acres
gpd
❑ Continuous
❑ Intermittent
acres
gpd
❑ 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
Consult with your NPDES permitting authority to determine what information needs to be submitted and when.)
❑ Discharges into marine waters (CWA ❑ Water quality related effluent limitation (CWA Section
Cr
Section 301(h)) 302(b)(2))
cc
0 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 0 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
and maintenance responsibilities.
Contractor Information
Contractor 1
Contractor 2
Contractor 3
0
Contractor name
(company name
`o
Mailing address
c
street or P.O. box
City, state, and ZIP
0
code
c
Contact name (first and
V
last)
Phone number
Email address
Operational and
maintenance
responsibilities of
contractor
EPA Form 3510-2A (Revised 3-19) Page 4

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110006710906 N00021881 Lake Waccamaw OMB No. 2040-0004
SECTIOND• • •- • .
c Outfalls to Waters of the United States
2.1
Does the treatment works have a design flow greater than or equal to 0.1 mgd?
o
❑✓ Yes ❑ No 4 SKIP to Section 3.
c
2.2
Provide the treatment works' current average daily volume of inflow
Average Daily volume of Inflow and Infiltration
�-
and infiltration.
.ate.
c
6000 gpd
Indicate the steps the facility is taking to minimize inflow and infiltration.
aMajor
upgrades in the coming year will help to reduce I&I .Ongoing smoke testing will be conducted as needed. Broken
or missing cleanout caps will be observed during monthly meter readings.
0
c
e
c2.3
Have you attached a topographic map to this application that contains all the required information? (See instructions for
E C
specific requirements.)
tx:1
0
n
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 a
(See instructions for specific requirements.)
_ v+
U. a
c
❑✓ 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
9
1 Relining aeration basin
0
E
0
a
2. Add additional clarifier
E
0
3. Adding generators to all lift stations
3
4. Please see cover letter regarding this section
V
a
2.6
Provide scheduled or actual dates of completion for improvements.
Scheduled or Actual Oates of Completion for Im rovements
E
o
Scheduled
Affected
Outfalls
Begin
End
Begin
Attainment of
Operational
Improvement
(list outfall
Construction
Construction
Discharge
Level
(from above)
number
(MM/DD/YYYY )
(MWDD/YYYY)
(MM/DD/YYYY)
(MM/DD/YYYY
V
m
V
m
s
2.
3.
4.
2.7
Have appropriate permits/clearances concerning other federal/state requirements been obtained? Briefly explain your
response.
❑ Yes ❑ No ❑ None required or applicable
Explanation:
EPA Form 3510-2A (Revised 3-19) Page 5

EPA Identification Number
NPDES Permit Number
Facility Name Form Approved 03/05/19
110006710906
NCO021881
Lake Waccamaw OMB No. 2040-0004
SECTION••
• ON r
3.1
Provide the following information for each outfall. (Attach additional sheets if you have more than three outfalls.)
Outfall Number 001
Outfall Number n/a
Outfall Number n/a
State
North Carolina
="
�
County
Columbus
w
City or town
Lake Waccamah
0
o
C
Distance from shore
NA ft.
Q.
Depth below surface
NA ft.
ft.
ft.
c
Average daily flow rate
0.190 mgd
mgd
mgd
Latitude
34° 16 56"
"
[Longitude
78 33' 3d'
"
"
3.2
Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
a
o
❑ Yes ❑ No 4 SKIP to Item 3.4.
m
2
3.3
If so, provide the following information for each applicable outfall.
L
a
Outfall Number
Outfall Number
Outfall Number
0
Number of times per year
discharge occurs
IL
Average duration of each
o
discharge (specify units
cAverage
flow of each
mgd
mgd
mgd
discharge
yMonths
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.
CL
Outfall Number
Outfall Number
Outfall Number
d
'c
cd
3.6
Does the treatment works discharge or plan to discharge wastewater to waters of the United States from one or more
m :6
discharge points?
3
✓❑ Yes ❑ No -*SKIP to Section 6.
EPA Form 3510-2A (Revised 3-19) Page 6

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110006710906
NCO021881
Lake Waccamaw
OMB No. 2040-0004
3.7
Provide the receiving water and related information if known) for each outfall.
Outfall Number 00,
Outfall Number
Outfall Number
Receiving water name
UT to Bogue Swamp
Name of watershed, river,
0
or stream system
Lumber
c
U.S. Soil Conservation
Service 14-digit watershed
o
code
w
Name of state
Lumber
3
management/river basin
U.S. Geological Survey
8-digit hydrologic
m
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 pr vided for discharges from each outfall.
Outfall Number 001
Outfall Number
Outfall Number
Highest Level of
❑ Primary
❑ Primary
❑ Primary
Treatment (check all that
❑ Equivalent to
❑ Equivalent to
❑ Equivalent to
apply per outfall)
secondary
secondary
secondary
® Secondary
❑ Secondary
❑ Secondary
❑ Advanced
❑ Advanced
❑ Advanced
❑ Other (specify)
❑ Other (specify)
❑ Other (specify)
c
0
Disinfection
a
Design Removal Rates by
Outfall
b
m
c
BOD5 or CBOD5
85 %
%
%
m
E
TSS
85 %
® Not applicable
❑ Not applicable
❑ Not applicable
Phosphorus
%
%
%
® Not applicable
❑ Not applicable
❑ Not applicable
Nitrogen
oho
%
%
Other (specify)
® Not applicable
❑ Not applicable
❑ Not applicable
%
%
%
EPA Form 3510-2A (Revised 3-19) Page 7

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110006710906
NCO021881
Lake Waccamaw
OMB No. 2040-0004
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.
Chlorination is used year round
w
0
c�
c
Outfall Number 001
Outfall Number
Outfall Number
w
a
Disinfection type
Chlorination
0
m
0
Seasons used
All seasons
E
Dechlorination used?
❑ Not applicable
❑ Not applicable
❑ Not applicable
El 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?
✓❑ 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 ❑ 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 001
Outfall Number
Outfall Number
Acute
Chronic
Acute
Chronic
Acute
Chronic
Number of tests of discharge
water
4
Number of tests of receiving
water
3.13
Does the treatment works have a design flow greater than or equal to 0.1 mgd?
❑✓ Yes ❑ No 4 SKIP to Item 3.16.
0
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. ❑ No 4 Complete Table B, omitting chlorine.
F-
3.15
Have you completed monitoring for all applicable Table B pollutants and attached the results to this application
package?
w
0 Yes ❑ No
3.16
Does one or more of the following conditions apply?
• The facility has a design flow greater than or equal to 1 mgd.
• The POTW has an approved pretreatment program or is required to develop such a program.
• The NPDES permitting authority has informed the POTW that it must sample for the parameters in Table C, must
sample other additional parameters (Table D), or submit the results of WET tests for acute or chronic toxicity for
each of its discharge outfalls (Table E).
Yes 4 Complete Tables C, D, and E as
® No SKIP to Section 4.
a licable.
3.17
Have you completed monitoring for all applicable Table C pollutants and attached the results to this application
package?
0 Yes ❑ No
3.18
Have you completed monitoring for all applicable Table D pollutants required by your NPDES permitting authority and
attached the results to this application package?
© Yes ❑ No additional sampling required by NPDES
permitting authority.
EPA Form 3510-2A (Revised 3-19) Page 8

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110006710906
NCO021881
Lake Waccamaw
OMB No. 2040-0004
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?
0 Yes ❑ No + 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 ❑ No 4 Provide results in Table E and SKIP to
Item 3.26.
3.21
Indicate the dates the data were submitted to our NPDES permitting authority and provide a summary of the results.
Date(s) Submitted
Summary of Results
MM/DDNM
12/5/23 & 12/7/23
Pass
9/12/23 & 9/14/23
Pass
6/6/23 & 6/8/23
Pass
=
3/7/23 & 3/9/23
e
Pass
O
w
3.22
Regardless of how you provided your WET testing data to the NPDES permitting authority, did any of the tests result in
o
toxicity?
c
❑ Yes ❑ No 4 SKIP to Item 3.26.
3.23
Describe the cause(s) of the toxicity:
tU
W
3.24
Has the treatment works conducted a toxicity reduction evaluation?
❑ Yes ❑ No -+ 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?
❑ Yes ® Not applicable because previously submitted
information to the NPDES permitfinq authorit .
SECTION-D•
4.1
Does the POTW receive discharges from SIUs or NSCIUs?
❑ Yes ✓❑ No SKIP to Item 4.7.
d
4.2
Indicate the number of SIUs and NSCIUs that discharge to the POTW.
a
Number of SIUs
Number of NSCIUs
a
3
O
4.3
Does the POTW have an approved pretreatment program?
"
x
❑ Yes ❑ No
4.4
Have you submitted either of the following to the NPDES permitting authority that contains information substantially
identical to that required in Table F: (1) a pretreatment program annual report submitted within one year of the
W
application or (2) a pretreatment program?
r
❑ Yes ❑ No 4 SKIP to Item 4.6.
0
L
4.5
Identify the title and date of the annual report or pretreatment program referenced in Item 4.4. SKIP to Item 4.7.
W
b
c
_
—
4.6
Have you completed and attached Table F to this application package?
❑ Yes ❑ No
EPA Form 3510-2A (Revised 3-19) Page 9

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110006710906
NCO021881
F4.7
Lake Waccamaw
OMB No. 2040-0004
Does the POTW receive, or has it been notified that it will receive, by truck, rail, or dedicated pipe, any wastes that are
regulated as RCRA hazardous wastes pursuant to 40 CFR 261?
❑ Yes ❑ No 4 SKIP to Item 4.9.
4.8
If yes, provide the follo ing information:
Annual
Hazardous Waste
Waste Transport Method
Amount of
Units
Number
(check all that apply)
Waste
Received
❑ Truck ❑ Rail
❑ Dedicated pipe ❑ Other (specify)
_
_
0
v
❑ Truck ❑ Rail
3
❑ Dedicated pipe ❑ Other (specify)
H
0
-a
cc 14
❑ Truck ❑ Rail
_
-o
❑ Dedicated pipe ❑ Other (specify)
_
0
s4.9
Does the POTW receive, or has it been notified that it will receive, wastewaters that originate from remedial activities,
including those undertaken pursuant to CERCLA and Sections 3004(7) or 3008(h) of RCRA?
o
❑ Yes No -+ SKIP to Section 5.
4.10
Does the POTW receive (or expect to receive) less than 15 kilograms per month of non -acute hazardous wastes as
c
specified in 40 CFR 261.30(d) and 261.33(e)?
❑ Yes 4 SKIP to Section 5. ❑ No
4.11
Have you reported the following information in an attachment to this application: identification and description of the
site(s) or facility(ies) at which the wastewater originates; the identities of the wastewater's hazardous constituents; and
the extent of treatment, if any, the wastewater receives or will receive before entering the POTW?
❑ Yes ❑ No
SECTION•
• OVERFLOWS (40
E
5.1
Does the treatment works have a combined sewer system?
m
❑ Yes ❑ No 4SKIP to Section 6.
5.2
Have you attached a CSO system map to this application? (See instructions for map requirements.)
a
a
❑ Yes ❑ No
a
5.3
Have you attached a CSO system diagram to this application? (See instructions for diagram requirements.)
0
0
❑ Yes ❑ No
EPA Form 3510-2A (Revised 3-19) Page 10

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110006710906
N00021881
Lake Waccamaw
OMB No. 2040-0004
5.4
For each CSO outfall, provide the following information. Attach
additional sheets as necessary,)
CSO Outfall Number _
CSO Outfall Number
CSO Outfall Number
=
City or town
0
Q-
State and ZIP code
c
County
3
Latitude
"
0
0
c.�
Longitude
Distance from shore
110
Depth below surface
5.5
Did the POTW monitor any of the following items in the past year for its CSO outfalls?
CSO Outfall Number _
CSO Outfall Number
CSO Outfall Number
ElYes ❑ No
❑ Yes ❑ No
❑ Yes ElNo
CDRainfall
o
CSO flow volume
❑ Yes ❑ No
❑ Yes ❑ No
❑ Yes ❑ No
0
CSO pollutant
concentrations
El Yes ❑ No
❑ Yes El No
El Yes El No
0
U)
Receiving water quality
❑ Yes ❑ No
❑ Yes ❑ No
❑ Yes ❑ No
CSO frequency
❑ Yes ❑ No
❑ Yes ❑ No
❑ Yes ❑ No
Number of storm events
❑ Yes ❑ No
❑ Yes ❑ No
❑ Yes ❑ No
5.6
Provide the following information for each of your CSO outfalls.
CSO Outfall Number _
CSO Outfall Number _
CSO Outfall Number _
Number of CSO events in
�
the past year
events
events
events
R
IL
S
Average duration per
hours
hours
hours
event
❑ Actual or ❑ Estimated
❑ Actual or ❑ Estimated
❑ Actual or ❑ Estimated
it W
o
Average volume per event
million gallons
million gallons
million gallons
❑ Actual or ❑ Estimated
❑ Actual or ❑ Estimated
❑ Actual or ❑ Estimated
Minimum rainfall causing
inches of rainfall
inches of rainfall
inches of rainfall
a CSO event in last year
❑ Actual or ❑ Estimated 1
❑ Actual or ❑ Estimated
❑ Actual or ❑ Estimated
EPA Form 3510-2A (Revised 3-19) Page 11

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110006710906
NCO021881
Lake Waccamaw
OMB No. 2040-0004
5.7
Provide the information in the table below for each of your CSO outfalls.
CSO Outfall Number _
CSO Outfall Number
CSO Outfall Number
Receiving water name
Name of watershed/
streams stem
U.S. Soil Conservation
❑ Unknown
❑ Unknown
❑ Unknown
Service 14-digit
c
watershed code
3
if known
m
0
Name of state
d
management/river basin
0)
U.S. Geological Survey
❑ Unknown
❑ Unknown
❑ Unknown
8-Digit Hydrologic Unit
Code if known
Description of known
water quality impacts on
receiving stream by CSO
(see instructions for
examples)
SECTION•
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 required to provide attachments.
Column 1
Column 2
Section 1: Basic Application
❑ w/ variance request(s) E] w/ additional attachments
Information for All A licants
❑ Section 2: Additional
J
w/ topographic map w/ process flow diagram
Information
❑ w/ additional attachments
w/ Table A w/ Table D
® Section 3: Information on
wl Table B ❑ w/ Table E
m
Effluent Discharges
E
❑ w/ Table C ❑ w/ additional attachments
w
Section 4: Industrial
❑ w/ SIU and NSCIU attachments ❑ w/ Table F
N
❑ Discharges and Hazardous
❑
0
Wastes
w/ additional attachments
!EOverflows
ElSection 5: Combined Sewer
❑ w/ CSO map a d ' a
❑ w/ CSO system diagram
Section 6: Checklist and
®
El w/ attachments = 13 210 24
Certification Statement
6.2
Certification Statement
1 certify under penalty of law that this document and all attachments were prepare 1]i i { ru
-
accordance with a system designed to assure that qualified personnel properly gather 83 eVa`1ua 6 t 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. 1 am aware that there are significant penalties for submitting false information, including the possibility of fine
and imprisonment for knowing violations.
Name (print or type first and last name)
Official title
i
the S
o0
Signature
Date signed
=S
EPA Form 3510-2A (Revised 3-19) Page 12

EPA Identification Number NPDES Permit Number Outrell Number Form Approved 03/05/19
110006710906 NCO021881 Lake Waccamaw 001 OMB No 2040-0004
••15 4 ••
Maximum Daily Discharge
Average Daily Discharge
Analytical ML or MDL
Value
Units
Value
Units
Nsamplesber i
Pollutant
Method' (include units)
Biochemical oxygen demand
s BOD5 or o CBOD5
29
mg/I
4.39
mg/I
52
❑ ML
521 OB-2016 2 s MDL
(report one
Fecal coliform
2420
colonies/100ml
44.73
colonies/100ml
156
Idexx Colilert 18 1 ML
® MDL
Design flow rate
0.4
MGD
0.194
MGD
365
pH (minimum)
6.60
S.U.
pH (maximum)
7.90
s.u.
Temperature (winter)
19.5
degrees celsius
12.4
degrees celsius
151
Temperature (summer)
27.3
degrees celsius
24.2
degrees celsius
214
Total suspended solids (TSS)
13.7
mg/I
4.33
mg/I
52
Cl ML
254OD-2015 2.5 s 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).
EPA Form 3510-2A (Revised 3-19) Page 13

EPA Idari ficabon Number NPDES Permit Number Outfall Number Form Approved 03105119
110006710906 Nc0021881 Lake Waccamaw 001 OMB No. 20?0-0004
Maximum Daily Discharge
Average Daily Discharge
Analytical
ML or MDL
Value
Units
Value
Units
Number
Pollutant
j
Method'
(include units)
lesf
Ammonia (as N)
7.60
mg/I
1.04
mg/I
52
350.1
El ML
0.1 mg/l 0 MDL
Chlorine
total residual, TRCr
37
ug/I
13.87
ug/I
104
HACH 10014
0 ML
5 ug/1 ® MDL
Dissolved oxygen
12.70
mg/1
8
mg/I
52
4500 O G
N/A 0 ML
Nitrate/nitrite
N/A
N/A
N/A
N/A
N/A
N/A
N/A El ML
❑ MDL
Kjeldahl nitrogen
N/A
N/A
N/A
N/A
N/A
N/A
OML
NIA ❑ MDL
Oil and grease
N/A
N/A
N/A
N/A
N/A
N/A
NIA ❑ MI
❑ MDL
Phosphorus
3.29
mg/I
3.29
mg)'!
4
4500 P (f-h) 2011
N/A 0 MIL
MDL
Total dissolved solids
N/A
N/A
N/A
N/A
N/A
NIA
N/A 13 MIL
❑ MDL
r 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 1, subchapter N or 0. See instructions and 40 CFR 122.21(e)(3).
2 Facilities that do not use chlorine for disinfection, do not use chlorine elsewhere in the treatment process, and have no reasonable potential to discharge chlorine in their effluent are not
required to report data for chlorine.
EPA Form 3510-2A (Revised 3-19) Page 15

EPA Identification Nwrber NPDES Pemut Number Fading Name Outfall Number Form Approved 005r!
110006710906 NC0021881 I Lake Waccamaw 001 OMB No. 20:0-0a"v4
Maximum Dail Discharge Average DailyDischa e
Pollutant
Analytical ML or MDL
Number
(lst} Value Units Value Units
Method' (include units)
Sam le s
❑ No additional sampling is required by NPDES permitting authority.
Mercury (Total)
1
ML
® MDL
Total Nitrogen
129.1
mg/I
16.98
mg/I
4
Calculation
n/a ®MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
O MDL
❑ ML
O MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
O MIX
❑ ML
❑ MDL
O ML
❑ MDL
O ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ 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).
EPA Form 3510.2A (Revised 3-19) Page 23

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