NC0030210_Renewal (Application)_20240603

ROY COOPER
Governor
ELIZABETH S. BISER
Secretary
RICHARD E. ROGERS, JR.
Director
William Deal
Charlotte Water
5100 Brookshire Blvd
Charlotte, NC 28216-3371
Subject: Permit Renewal
Application No. NCO030210
Mallard Creek WWTP
Mecklenburg County
Dear Applicant:
NORTH CAROLINA
Environmental Quality
June 03, 2024
The Water Quality Permitting Section acknowledges the June 3, 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://www.deg.nc.gov/permits-rules/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.
ec: WQPS Laserfiche File w/application
Sincerely,
a--T-L
Cynthia Demery
Administrative Assistant
Water Quality Permitting Section
L�T
North Carolina Department of Environmental Quality I Dh ision of Water Resources
Mooresville Regional Office 1 610 Fast Center Avenue. Suite 301 1 Mooresville, North Carolina 28115
704.663.1699

CHARLOTTE
W4)TER
May 28, 2024
ATTN: Mr. Michael Montebello
Division of Water Resources
Branch Chief
Water Quality Permitting Section - NPDES
1617 Mail Service Center
Raleigh, NC 27699-1617
Re: NPDES Permit Renewal Application
Mallard Creek WRRF — NPDES Permit #NC0030210
Mr. Montebello:
RECEIVED
JUN 0 3 2024
NCDEQIDWSINPDES
Please find the enclosed NPDES permit renewal application for Mallard Creek WRRF. The application
includes Attachments #1-11. The following is a summary of the attachments submitted with the
application:
• Attachment #1 is a narrative description of Mallard's treatment process.
• Attachment #2 provides additional information requested in Section 1.6. Inadequate space
was available to record 'Other' environmental permits.
• Attachment #3 summarizes the contractor information requested in Section 1.25.
• Attachment #4 addresses Section 2.2 and explains the ongoing work that CLTWater does to
minimize inflow and infiltration.
• Attachment #5 includes the topographical map required in Section 2.3.
• Attachment #6 includes the plant flow schematic required in Section 2.4.
• Attachment #7 provides the scheduled improvements as requested in Sections 2.5 and 2.6.
• The data in Table A is summarized for the time period of October 2022 through March 2024.
• For Table B, all parameters are summarized from October 2022 through March 2024 except
for TRC, Oil and grease, and TDS. Since these parameters are a part of the annual Effluent
Pollutant Scan, they were summarized for the timeframe from October 2019 through March
2024, in order to provide a larger data set for these parameters.
• For Table C, annual Effluent Pollutant Scan parameters results were also provided for the
timeframe from October 2019 through March 2024. These are easily recognizable since they
are represented by only 6 data points. All the other parameters listed in Table C were
summarized using the time period from October 2022 through March 2024.
Charlotte Water 5100 Brookshire Blvd, Charlotte, NC 28216 charlottewater.org
operated by the City of Charlotte

• For Table D/Chemical Addendum, to the best of our knowledge, no additional parameters
were sampled for, or identified in, Mallard's effluent during this permit cycle that have not
already been reported to NCDWR. Therefore, Charlotte Water has not included a chemical
addendum form in this permit renewal application.
• Attachment #8 includes a list of current components to be included in the "Supplement to
the Permit Cover Sheet".
• Attachment #9 includes the Priority Pollutants Analysis reports with organics results that
have been completed by this facility since the last permit renewal.
• Attachment #10 includes information that supports CLTWater's request for continuation of
reduced monitoring frequencies for conventional pollutants.
• Attachment #11 includes the Second Species Toxicity Tests completed for this facility since
the last permit renewal.
Charlotte Water is in the process of updating all Wastewater Treatment Plant (WWTP) and Water
Reclamation Facility (WRF) names to Water Resource Recovery Facilities (WRRF's). CLTWater is
requesting that the name of Mallard Creek WRF be changed to "Mallard Creek WRRF" in the issuance of
the draft and final permits.
Please note that some of the parameters for which data has been submitted in this application have two
method detection limits. This is due to a change in the sensitivity of the analytical method or a change
in the requirement to use a different analytical method and/or report to a lower detection limit during
this permit cycle.
Please let us know if you have any questions or if you need any further information. You may contact
Shannon Sypolt, Water Quality Program Administrator, at 704/634-6984. You may also contact me at
704/634-3665. Thank you for your assistance with the renewal process.
Respectf y,
A
Joseph L ckler
Operations Chief, Environmental Management Division
Charlotte Water
Cc: Henry Eudy (ORC, Mallard Creek WRRF, CLTWater)
Darrell Dewitt (Operations Manager, CLTWater)
Shannon Sypolt (Water Quality Program Administrator, CLTWater)
Charlotte Water 5100 Brookshire Blvd, Charlotte, NC 28216 charlottewater.org
ti operated by the City of Charlotte

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110018575086
NCO030210
Mallard Creek WRF
OMB No. 2040-0004
Form
U.S. Environmental Protection Agency
2A
I-jEPA
Application for NPDES Permit to Discharge Wastewater
NPDES
NEW AND EXISTING PUBLICLY OWNED TREATMENT WORKS
SECTION•N
INFORMATION FOR i
1.1
Facility name
Mallard Creek Water Reclamation Facility
Mailing address (street or P.O. box)
12400 US Hwy 29 North
City or town
State
ZIP code
o
Y
Charlotte
NC
28262
EContact
name (first and last)
Title
Phone number
Email address
O
c
Henry Eudy
Plant Supervisor
[phone]
[e-mail]
Location address (street, route number, or other specific identifier) m Same as mailing address
U
L.
LL
City or town
State
ZIP code
1.2
Is this application for a facility that has yet to commence discharge?
❑ Yes 4 See instructions on data submission ❑ No
requirements for new dischargers.
1.3
Is applicant different from entity listed under Item 1.1 above?
❑✓ Yes ❑ No SKIP to Item 1.4.
Applicant name
Charlotte Water
Applicant address (street or P.O. box)
M
5100 Brookshire Blvd
A
cCity
or town
State
ZIP code
Charlotte
NC
28216
Contact name (first and last)
Title
Phone number
Email address
c.
Steven Joseph Lockler
Operations Chief
[phone]
joseph.lockler@charlottenc.g
CL
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 ❑ 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
✓❑ NPDES (discharges to surface
❑ RCRA (hazardous waste)
❑ UIC (underground injection
water)
control)
E
NCO030210
2
❑ PSD (air emissions)
❑ Nonattainment program (CAA)
❑ NESHAPs (CAA)
c
w
rn
N
❑ Ocean dumping (MPRSA)
❑ Dredge or fill (CWA Section
❑ Other (specify)
w
404)
See Attachment #2
EPA Form 3510-2A (Revised 3-19) Page 1

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110018575086
NCO030210
Mallard Creek WRF
OMB No. 2040-0004
1.7
Provide the collections stem information requested below for the treatment works.
Municipality
Population
Collection System Type
Ownership Status
Served
Served
indicate percentage)
100 % separate sanitary sewer
0 Own El Maintain
ZCharlotte,
NC
% combined storm and sanitary sewer
❑ Own ❑ Maintain
d
❑ Unknown
❑ Own ❑ Maintain
% separate sanitary sewer
❑ Own ❑ Maintain
% combined storm and sanitary sewer
❑ Own ❑ Maintain
❑ Unknown
❑ Own ❑ Maintain
a%
separate sanitary sewer
El Own ❑ Maintain
% combined storm and sanitary sewer
❑ Own ❑ Maintain
R
❑ Unknown
❑ Own ❑ Maintain
d
% separate sanitary sewer
❑ Own ❑ Maintain
% combined storm and sanitary sewer
❑ Own ❑ Maintain
c
❑ Unknown
❑ Own ❑ Maintain
Total
Population 116,847
Served
Separate Sanitary Sewer System
Combined Storm and
Sanitary Sewer
Total percentage of each type of
°
�0
°
/0
sewer line in miles
100
z`
1.8
Is the treatment works located in Indian Country?
c
'
0
ElYes ❑✓ No
U
1.9
Does the facility discharge to a receiving water that flows through Indian Country?
R
❑ Yes ❑✓ No
1.10
Provide design and actual flow rates in the designated spaces.
Design Flow Rate
13.1 mgd
=
Annual Average Flow Rates Actual
a R
Two Years Ago
Last Year
This Year
a�
c
c c
9.8 mgd
10.3 mgd
10.47 mgd
Maximum Daily Flow Rates Actual
Two Years Ago
Last Year
This Year
19.2 mgd
17.6 mgd
19.4 mgd
1.11
Provide the total number of effluent discharge points to waters of the United States by type.
Total Number of Effluent Discharge ointsbyType
o
a, ~
Combined Sewer
Constructed
Treated Effluent
Untreated Effluent
Overflows
Bypasses
Emergency
UL)
Overflows
�
1
EPA Form 3510-2A (Revised 3-19) Page 2

EPA Identification Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110018575086
NCO030210
Mallard Creek WRF
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 ❑✓ 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
(check one)
Impoundment
❑ Continuous
gpd
❑ Intermittent
❑ Continuous
gpd
❑ Intermittent
❑ Continuous
gpd
y
❑ Intermittent
0
w
1.14
Is wastewater applied to land?
❑ Yes ❑✓ No SKIP to Item 1.16.
U)
1.15
Provide the land application site and discharge data requested below.
h
Land Application Site and Discharge Data
o
0
Average Daily Volume
Continuous or
Location
Size
Applied
Intermittent
check one
N
acres
gp d
❑ Continuous
'o
❑ Intermittent
❑ Continuous
s
acres
d
gpd
❑ Intermittent
0o
acres
❑ Continuous
gpd
❑ Intermittent
1.16
Is effluent transported to another facility for treatment prior to discharge?
o
ElYes ❑ 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.
Trans orter 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
110018575086
NCO030210
Mallard Creek WRF
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.
Receivinq F cilitv Data
Facility name
Mailing address (street or P.O. box)
d
City or town
State
ZIP code
0
Contact name (first and last)
Title
0
Phone number
Email address
NPDES number of receiving facility (if any) El None
Average daily flow rate mgd
CL
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
0
have outlets to waters of the United States (e.g., underground percolation, underground injection)?
En
❑ Yes ❑✓ No 4 SKIP to Item 1.23.
0
1.22
Provide information in the table below on these other disposal methods.
d
Information on Other Dis osal Methods
o
Disposal
Location of
Size of
Annual Average
Continuous or Intermittent
Method
Disposal Site
Disposal Site
Daily Discharge
(check one)
Description
Volume
acres
gpd
❑ Continuous
❑ Intermittent
❑ Continuous
acres
gpd
❑ 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.
U)
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
Section 301(h)) 302(b)(2))
❑✓ 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
and maintenance responsibilities.
Contractor Information
Contractor 1
Contractor 2
Contractor 3
o
.R
Contractor name
See Attachment #3
See Attachment #3
See Attachment #3
(company name
E
Mailing address
0
c
street or P.O. box
S
City, state, and ZIP
R
code
Contact name (first and
0
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
110018575086 NCO030210 Mallard Creek WRF OMB No. 2040-0004
SECTIONDD• •- • I
o 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 -* 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.
318,000 gpd
Indicate the steps the facility is taking to minimize inflow and infiltration.
Please see the information provided in Attachment #4.
3
0
w
c
2.3
Have you attached a topographic map to this application that contains all the required information? (See instructions for
C R
tm
specific requirements.)
0 M
❑✓ Yes ❑ No
to
E
2.4
Have you attached a process flow diagram or schematic to this application that contains all the required information?
``
o �
(See instructions for specific requirements.)
" o
❑✓ 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. Please see the information provided in Attachment #7.
c
a>
E
Q
2.
E
0 0
W
(D
3.
a
d
4.
U )
2.6
Provide scheduled or actual dates of completion for improvements.
Scheduled or Actual Dates of Completion for Im rovements
E
0
Scheduled
Affected
Begin
End
Begin
Attainment of
>
o
0.
Improvement
Outfalls
(list l
Construction
Construction
Discharge
Operational
Level
E
(from above)
number)outfa
(MM/DD/YYYY)
(MM/DD/YYYY)
(MM/DD/YYYY)
MM/DDIYYYY
a
1.
See Attach. #7
a
a�
U)
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:
Permits are applied for and obtained as required by each project.
EPA Form 3510-2A (Revised 3-19) Page 5

EPA Identification Number
NPDES Permit Number
Facility Name Form Approved 03/05/19
110018575086
NCO030210
Mallard Creek WRF OMB No. 2040-0004
SECTION•'
• ON
• 1
sheets if you have more than three outfalls.)
3.1
Provide the following information for each outfall. (Attach additional
Outfall Number 001
Outfall Number
Outfall Number
State
North Carolina
County
Mecklenburg
0
City or town
Charlotte
0
0
.Q
Distance from shore
L
Depth below surface
ft.
ft.
ft.
0
Average daily flow rate
10.04 mgd
mgd
mgd
Latitude
35° 19' 52.9" N
Longitude
80° 41 53.8" W
3.2
Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
R
o
❑ Yes ✓❑ No 4 SKIP to Item 3.4.
d
3.3
If so, provide the following information for each applicable outfall.
s
N
Outfall Number
Outfall Number
Outfall Number
0
Number of times per year
a
s
discharge occurs
a
Average duration of each
`o
discharge (specify units
oAverage
flow of each
mgd
mgd
mgd
discharge
in
Months in which discharge
occurs
3.4
Are any of the outfalls listed under Item 3.1 equipped with a diffuser?
❑ Yes ❑✓ No -+ SKIP to Item 3.6.
3.5
Briefly describe the diffuser type at each applicable outfall.
a
Outfall Number
Outfall Number
Outfall Number
d
N
C3
o
Does the treatment works discharge or plan to discharge wastewater to waters of the United States from one or more
ui
=i
3.6
discharge points?
❑✓ 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
110018575086
NCO030210
Mallard Creek WRF
OMB No. 2040-0004
3.7
Provide the receiving water and related information if known for each outfall.
Outfall Number 001
Outfall Number
Outfall Number
Receiving water name
Mallard Creek
Name of watershed, river,
0
or stream system
Rocky River to Yadkin PeeDee
a
U.S. Soil Conservation
N
Service 14-digit watershed
o
code
Name of state
managementlriver basin
Yadkin PeeDee
rn
U.S. Geological Survey
8-digit hydrologic
03040105
cataloging unit code
Critical low flow (acute)
0.64 cfs
cfs
cfs
Critical low flow (chronic)
unknown cfs
cfs
cfs
Total hardness at critical
mg/L of
mg/L of
mg/L of
IOW flout
unknown CaCO3
CaCO3
CaCO3
3.8
Provide the following information
describing the treatment pr vided for discharges from each outfall.
Outfall Number
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
El Advanced
❑ Advanced
❑ Advanced
❑ Other (specify)
❑ Other (specify)
❑ Other (specify)
c
a0
Design Removal Rates by
0
Outfall
N
N
BOD5 or CBOD5
97 %
%
%
d
E
TSS
97 %
%
%
0 Not applicable
❑ Not applicable
❑ Not applicable
Phosphorus
%
%
%
❑ Not applicable
❑ Not applicable
❑ Not applicable
Nitrogen
40 %
%
%
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
110018575086
NCO030210
Mallard Creek WRF
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.
a
d
c
Y
0
V
=
Outfall Number 001
Outfall Number
Outfall Number
0
fl
Disinfection type
Ultraviolet Light
N
N
Seasons used
All
d
E
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?
❑✓ 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
0
19
Number of tests of receiving
water
0
0
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?
d
❑ Yes 4 Complete Table B, including chlorine. ✓❑ No -+ Complete Table B, omitting chlorine.
c
3.15
Have you completed monitoring for all applicable Table B pollutants and attached the results to this application
package?
w
❑✓ 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 4 SKIP to Section 4.
applicable.
3.17
Have you completed monitoring for all applicable Table C pollutants and attached the results to this application
package?
❑✓ 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 IdentificatJon Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
110018575086
NCO030210
Mallard Creek WRF
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?
No 4 Complete tests and Table E and SKIP to
0 Yes ❑
Item 3.26.
3.20
Have you previously submitted the results of the above tests to your NPDES permitting authority?
No + Provide results in Table E and SKIP to
❑✓ Yes ❑
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/DDIYYYY
All WET tests, except one, passed during this permitting cycle. WET tests
were completed on these dates: 11/13/19, 02/12/20, 05/06/20,
08/11/20, 11/18/20, 02/17/21, 05/05/21, 08/04/21, 09/04/21, 11/02/21,
��—
02/15/22, 05/04/22, 08/03/22, 11/09/22, 02/15/23, 05/02/23, 08/16/23,
0
11 15 23 02 14 24
a
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?
Cn
✓❑ Yes ❑ No -* SKIP to Item 3.26.
cu
3.23
Describe the cause(s) of the toxicity:
c
08/04/21- ETT Fail / ETS Invalid - CLTWater submitted a split sample for WET testing during the month of August.
m
2
w
However, insufficient volume was submitted to Environmental Testing Solutions, Inc., and the test result was invalid.
w
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?
❑ Yes Not applicable because previously submitted
information to the NPDES permitting authority.
4. INDUSTRIAL
DISCHARGES AND i
HAZARDOUSSECTION
Does the POTW receive discharges from SIUs or NSCIUs?
4.1
❑✓ Yes ❑ No 4 SKIP to Item 4.7.
d
4.2
Indicate the number of SIUs and NSCIUs that discharge to the POTW.
.r
ca
Number of SIUs
Number of NSCIUs
m
0
3
4.3
Does the POTW have an approved pretreatment program?
N
`°
x
❑✓ Yes ❑ No
R
4.4
Have you submitted either of the following to the NPDES permitting authority that contains information substantially
0
identical to that required in Table F: (1) a pretreatment program annual report submitted within one year of the
application or (2) a pretreatment program?
Aa
❑✓ 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.
•J
Charlotte Water 2023 Pretreatment Annual Report 03/01/2024
a
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
110018575086
NCO030210
Mallard Creek WRF
OMB No.2040-0004
4.7
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)
c
0
U
U)
❑ Truck ❑ Rail
cc
❑ Dedicated pipe ❑ Other (specify)
0
N
❑ Truck ❑ Rail
_
❑ Dedicated pipe ❑ Other (specify)
a
c
a
H
N
4.9
Does the POTW receive, or has it been notified that it will receive, wastewaters that originate from remedial activities,
H
including those undertaken pursuant to CERCLA and Sections 3004(7) or 3008(h) of RCRA?
0
❑ Yes ❑✓ No -* SKIP to Section 5.
3
4.10
Does the POTW receive (or expect to receive) less than 15 kilograms per month of non -acute hazardous wastes as
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
Does the treatment works have a combined sewer system?
E
5.1
El Yes ❑� No 4SKIP to Section 6.
R
"0
5.2
Have you attached a CSO system map to this application? (See instructions for map requirements.)
c
`°
❑ Yes ❑ No
M
0
5.3
Have you attached a CSO system diagram to this application? (See instructions for diagram requirements.)
U
❑ Yes ❑ No
EPA Form 3510-2A (Revised 3-19) Page 10

EPA Idenbficabon Number
NPDES Permit Number
Facility Name
Form Approved 03/05/19
11001857SO86
NCO030210
Mallard Creek WRF
OMB No. 2040-0004
5.4
For each CSO outfall, provide the following information. Attach
additional sheets as necessa
CSO Outfall Number_
CSO Outfall Number
CSO Outfall Number
City or town
0
State and ZIP code
o
County
R
Latitude
0
0
U)
U
Longitude
°
°
Distance from shore
Depth below surface
ft.
5.5
Did the POTW monitor any of the following items in the past year for its CSO outfalls?
CSO Outfall Number—
CSO Qutfall Number
CSO Outfall Number
Rainfall
❑ Yes ❑ No
❑ Yes ❑ No
❑ Yes ❑ No
rn
c
`o
CSO flow volume
❑ Yes ❑ No
❑ Yes ❑ No
❑ Yes ❑ No
CSO pollutant
❑ Yes ❑ No
❑ Yes ❑ No
❑ Yes ❑ No
0
concentrations
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
rNumber
of CSO events in
events
events
events
the past year
cc
a
c
Average duration per
hours
hours
hours
event
❑ Actual or ❑ Estimated
❑ Actual or ❑ Estimated
❑ Actual or ❑ Estimated
d
w
million gallons
million gallons
million.gallons
0
Average volume per event
cCOi
❑ 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
❑ 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
110018S7S086
NCO030210
Mallard Creek WRF
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
N
�►
U.S. Soil Conservation
❑ Unknown
❑ Unknown
❑ Unknown
cc
Service 14-digit
=
watershed code
'>
if known
d
Name of state
W
mana emenUriver basin
co
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
exam les
•
• r d (d
In Column 1 below, mark the sections of Form 2A that you have completed and are submitting with your application. For
6.1
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
❑ wl variance request(s) ❑✓ w/ additional attachments
Information for All Applicants
Section 2: Additional
❑✓ wl topographic map ❑✓ w/ process flow diagram
❑
Information
❑✓ wl additional attachments
❑✓ wl Table A ❑ w/ Table D
❑ Section 3: Information on
❑ w/ Table B ❑ w/ Table E
Effluent Discharges
cu
E
❑✓ wl Table C ❑ w/ additional attachments
o
Section 4: Industrial
❑ wl SIU and NSCIU attachments ❑ w/ Table F
Cn
❑✓ Discharges and Hazardous
E]
g
Wastes
wl additional attachments
Section 5: Combined Sewer
❑
❑ w/ CSO map o I meets
Overflows
❑ w/ CSO system diagram
❑ Section 6: Checklist and
✓❑ wl attachments
Certification Statement
B.2
Certification Statement ����((j'� I(��(�/AlPnc
1 certify under of law that this document and all attachments were prep�r�d lnf r ► di�ctfbrl br'Sulpeervisilonn ifn—
penalty
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. 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
Steven Joseph Lockler
Operations Chief
re
Date signed
T
EPA Form 3510-2A (Revised 3-19) Page 12

EPA Identification Number
110018575086
NPDES Permit Number
NCO030210
Facilitiy Name Outfall Number
Mallard Creek WRRF 001
Form Approved 03/05/19
OMB No. 2040-0004
um Dail
y g
DiscUnits
Average
g y
DUnit Discharge
5e
�
Analytical
ML or MDL
Pollutant �
- - -
Value
--
_- _
-O
-- --
Number of
Method 1 i
(include units)
Value
Samples
X
ML
Biochemical oxygen demand
7.1
mg/L
1.9
mg/L
235
SM521OB-21 2.0
mg/L
CBOD5
cfu/100ml
2
361
SM9222D-15 1
cfu/100ml X
MDL
ML
Fecal Coliform 34
cfu/100ml
_
548
MDL
Design flow rate 13.1
MGD
SU
10.31
MGD
pH (minimum) 6.5
pH (maximum)
7.4
SU
Temperature (winter)
23.9
Deg. C
19.1
Deg. C
202
Temperature (summer)
26.6
Deg. C
23.6
Deg. C
168
Total suspended solids (TSS)
10.4
mg/L
1.4
mg/L
238
SM2540D-11 2.5
mg/L X
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 O. See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2A (Revised 3/19) Page 13

PPA
Start Date: 10/1/2022 10/1/2019
End Date: 3/31/2024 3/31/2024
EPA Identification Number NPDES Permit Number Facilitiy Name Ouffall Number
110018575086 NCO030210 Mallard Creek WRRF 1 001
Form Approved 03/05/19
OMB No. 2040-0004
'C •' • '• •
• ' • • ` ,90111
Maximum Daily Discharge
Average Daily Discharge
Analytical ML or MDL
Pollutant id
Value Units
—
Valu Units Number of Method (1) (include units)
Samples
Ammonia (as N)
3
mg/L
0.16
mg/L
238
SM 4500-NH3-H-21
0.1 mg/L
X ML
Ng/L
5
pg/L
6
Hach 10014ULR
MDL
Chlorine (total residual, TRC) (2)
16
15 Ng/L
X ML
mg/L
8.8
mg/L
370
Hach 10360
1.0 mg/L
MDL
X ML
Dissolved Oxygen
_
9.9
MDL
Nitrate/nitrite
22
mg/L
18
mg/L
20
EPA 353.2-93
0.05 mg/L
X ML
- -
MDL
Kjeldahl nitrogen
--
2
mg/L
1.01
mg/L
20
EPA351.2-93
0.25 mg/L
X ML
MDL
Oil and grease
0.0
mg/L
0.0
mg/L
60
EPA 1664B
5.0 mg/L
X ML
Phosphorus
4.90
mg/L
3.5
mg/L
20
SM 4500P-H-21
0.1 mg/L
X ML
MDL
Total dissolved solids 350
mg/L
327
mg/L
6
SM 254OC-15
25 mg/L
X ML
L
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 O. 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

PPA
Start Date: 10/1/2022 10/1/2019
End Date: 3/31/2024 3/31/2024
EPA Identification Number NPDES Permit Number Facilitiy Name Outfall Number Form Approved 03/05/19
110018575086 NC0030210 Mallard Creek WRRF 001 OMB No. 2040-0004
Maximum Daily Discharge Average Daily Discharge
I Analytical ML or MDL
Pollutant
_ ___ __
Value Units Value Units Number of Method (1) (include units)
Samples
Metals, Cyanide and Total Phenols
Hardness (as CaCo3) 180
mg/L
143
mg/L
20
EPA 200.7
1.0 mg/L
X ML
MDL
Antimony, total recoverable
0.0
pg/L
0.0
pg/L
6
EPA 200.8
5.0 pg/L
X ML
EPA 200.7
MDL
Arsenic, total recoverable
0.0
pg/L
0.0
pg/L
20
EPA 200.8
5.0 pg/LL
X ML
pg/L
0.0
pg/L
6
EPA 200.7
EPA 200.8
2.0 pg/L
MDL
X ML
Beryllium, total recoverable 0.0
pg/L
0.0
pg/L
20
EPA 200.7
EPA 200.8
0.5 PAL
MDL
X ML
_
Cadmium, total recoverable 0.0
EPA 200.7
MDL
Chromium, total recoverable 0.0
pg/L
0.0
pg/L
20
EPA 200.8
5.0 pg/L
X ML
EPA 200.7
MDL
Copper, total recoverable 5.6
PP
p9 /L
1.6
pg/L
20
EPA 200.8
2.0 pg/L
X ML
EPA 200.7
MDL
pg/L
0.0
pg/L
20
EPA 200.8
5.0 p�L
X ML
Lead, total recoverable 0.0
pg/L
0.0009
pg/L
20
EPA 200.7
EPA 1631E
1.0 pg/L
MDL
X ML
Mercury, total recoverable
0.0016
MDL
Nickel, total recoverable
2.4
pg/L
0.3
pg/L
20
EPA 200.8
2.0 pg/L
X ML
EPA 200.7
MDL
Selenium, total recoverable
0.0
pg/L
0.0
pg/L
20
EPA 200.8
5.0 pg/L
X ML
EPA 200.7
MDL
Silver, total recoverable
0.0
pg/L
0.0
pg/L
20
EPA 200.0
1.0 pg/L
X ML
EPA 200.7
MDL
EPA 200.8
X ML
Thallium, total recoverable
0.0
pg/L
0.0
pg/L
6
1.0 pg/L
EPA 200.7
MDL
EPA 200.8
X ML
Zinc, total recoverable
48
pg/L
33.0
pg/L
20
10 pglL
EPA 200.7
MDL
Cyanide
0
pg/L
0.0
pg/L
43
10-204-00-1-X
10 pg/L
X ML
MDL
Total phenolic compounds
0.140
N/A
0.023
N/A
6
EPA 420.2
0.050 NIA
I
X ML
MDL
--.... - -
Volatile Organic Compounds
100 / 25 ug/L
X ML
Acrolein 0.0
ug/L
0.0
ug/L
6
EPA 624.1
MDL
Acrylonitrile 0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
MDL
Benzene 0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
MDL
X
Bromoform 0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
ML
EPA Form 3510-2A (Revised 3/19) Page 17

Start Date: 10/1/2019
End Date: 3/31/2024
EPA Identification Number NPDES Permit Number Facilitiy Name Outfall Number
110018575066 NC0030210 Mallard Creek WRRF 001
Form Approved 03/05/19
OMB No. 2040-0004
• ' "WelikUTRE
Maximum Daily Discharge Average Daily Discharge
--= -- Analytical ML or MDL I
Pollutant
Number of Method (1) (include units)
Value Units Value Units Samples
rbon tetrachloride 0.0 ug/L 0.0 ug/L 6 EPA 624.1 2.0 ug/L X ML
MDL
1 X ML
Chlorobenzene 0.0 ug/L 0.0 ug/L 6 EPA 624.1 2.0 ug/L
MDL
X ML
Chlorodibromomethane 0.0 ug/L 0.0 ug/L 6 EPA 624.1 2.0 ug/L
MDL
X ML
Chloroethane
0.0
ug/L
0.0
ug/L
6
EPA 624.1
5.0 ug/L
MDL
X ML
2-chloroethylvinylether
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
MDL
Chloroform
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
MDL
X ML
Dichlorobromomethane
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
1.1-dichloroethane
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
MDL
1,2-dichloroethane
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
MDL
trans-1,2-dichloroethylene
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
MDL
1,1-dichloroethylene
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
0.0
ug/L
6
EPA 624.1
2.0 ug/L
MDL
'X ML
_
1,2-dichloropropane
0.0
ug/L
MDL
1,3-dichloropropylene "`
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
MDL
X ML
Ethylbenzene
0.0
MDL
Methyl bromide
0.0
_
ug/L
0.0
ug/L
6
EPA 624.1
5.0 ug/L
X ML
MDL
Methyl chloride
0.0
ug/L
0.0
ug/L
6
EPA 624.1
5.0 ug/L
X ML
MDL
Methylene chloride
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
MDL
1,1,2,2-tetrachlbroethane
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
MDL
Tetrachloroethyiene
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
MDL
Toluene
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 uglL
X ML
MDL
1, 1, 1 -trichloroethane
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
MDL
1,1,2-trichloroethane
0.0
ug/L
0.0
ug/L
6
EPA 624.1
2.0 ug/L
X ML
MDL
EPA Form 3510-2A (Revised 3/19) Page 18

Start Date: 10/1/2019
End Date: 3/31/2024
EPA Identification Number NPDES Permit Number Facilitiy Name Outfall Number Form Approved 03/05/19
110018575086 NC0030210 Mallard Creek WRRF 001 OMB No. 2040-0004
•' a '*
Maximum Daily Discharge
_-_
Average Daily Discharge
Analytical ML or MDL
PollutantValue
Number of
Method (1) (include units)
Value Units
Units I Samples
TJ
X
EPA 624.1 5.0 / 2.0 ug/L ML
Tnchloroethylene'
0.0 ug/L 0.0 ug/L
6
-
- MDL
X ML
Vinyl chloride
0.0 ug/L 0.0 ug/L
6
EPA 624.1 5.0 ug/L
MDL'
Acid -Extractable Compounds
p-chloro-m-cresol
0.0
ug/L
0.0 ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
2-chlorophenol
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
2,4-dichlorophenol
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
2,4-dimethylphenoi
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
4,6-dinitro-o-cresol
0.0
ug/L
0.0
ug/L
6
EPA 626.1
5.0 ug/L
X ML
MDL
2,4-dinitrophenol
_
0.0
ug/L
0.0
ug/L
6
EPA 625.1
20 ug/L
X ML
MDL
2-nitrophenol
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
4-nitrophenol
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
0.0
ug/L
0.0
ug/L
6
EPA 625.1
10 ug/L
X ML
Pentachlorophenol
__--_-
MDL
Phenol
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
V,4,6-trichlorophenol
0.0
ug/L 0.0
ug/L
6
EPA 625.1
5.D ug/L
X ML
-
MDL
Base -Neutral Compounds
Acenaphthene
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
ug/L
0.0
ug/L
MDL
Acenapthylene
0.0
6
EPA 625.1
5.0 ug/L
X ML
MDL
Anthracene
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
_
MDL
Benzidine
0.0
ug/L
0.0
ug/L
6
EPA 625.1
15 ug/L
X ML
MDL
Benzo(a)anthcacene
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
Benzo(a)pyrene
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
3,4-benzofluoranthene'
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
EPA Form 3510-2A (Revised 3/19) Page 19

Start Date: 10/1/2019
End Date: 3/31/2024
EPA Identification Number NPDES Permit Number Facilitiy Name Outfall Number Form Approved 03/05/19
110018575086 NC0030210 Mallard Creek WRRF 001 OMB No. 2040-0004
Maximum Daily Discharge
# Average Daily Discharge
Analytical ML or MDL
Pollutant-
-
Number of
Method (1) (include units)
-- -
Yatue
ffi1
Units
Value Units Samples
Benzo(ghi)perylene
0.0
ug/L
0.0
ug/L 6
EPA 625.1
5.0 ug/L X ML
0.0
ug/L
0.0
MDL
Benzo(k)fluoranthene
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
X ML
Bis (2-chloroethoxy) methane
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
MDL
X ML
Bis (2-chloroethyl) ether
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
MDL
Bis (2-chloroisopropyl) ether
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
Bis (2-ethylhexyl) phthalate
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X MLMDL
X ML
4-bromophenyl phenyl ether
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
Butyl benzyl phthalate 0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
2-chloronaphthalene 0.0
MDL
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
4-chlorophenyl phenyl ether 0.0
MDL
Chrysene 0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
0.0
ug/L
6
EPA 625.1
5.0 ug/L
MDL
X ML
di-n-butyl phthalate 0.0
ug/L
MDL
di-n-octyl phthalat 0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
Dibenzo(a,h)anthracene 0.0
MDL
1,2-diclorobenzene 0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X MLMDL
ug/L
ug/L
6
EPA 625.1
5.0 ug/L
X MLMDL
1,3-dichlorobenzene 0.0
0.0
1,4-dichlorobenzene 0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
ug/L
ug/L
6
EPA 625.1
5.0 ug/L
X ML
3,3-dichlorobenzidine 0.0
0.0
MDL
Diethyl phthalate 9.9
ug/L
1.7
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
Dimethyl phthalate 0.0
ug/L
0.0
ug/L
6'
EPA 625.1
5.0 ug/L
X ML
MDL
2,4-dinitrotoluene 0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X MLMDL
2,6 dinitrotoluene 0.0
EPA Form 3510-2A (Revised 3/19) Page 20

Start Date: 10/1/2019
End Date: 3/31/2024
EPA Identification Number NPDES Permit Number Facility Name Outfall Number
110018575086 NCO030210 Mallard Creek WRRF 001
Form Approved 03/05/19
OMB No. 2040-0004
•-
22jagm
Maximum Daily Discharge
Average Daily Discharge Analytical ML or MDL
4
Pollutant
I - _
_ ___
Number of Method (1) (include units)
Value Units
0.0 ug/L
Value Units Samples
0.0 ug/L 6 EPA 625.1 5.0 ug/L -X ML
1,2-dip
MDL,
Fluoranthen
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
Fluorene
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
Hexachlombenze
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
Hexachiorobutadiene
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X MIL
MDL
Hexachiorocycio-pentadiene
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
ug/L
MDL
Hexachloroethane
0.0
ug/L
0.0
6
EPA 625.1
5.0 ug/L
X ML
ug/L
0.0
_
ug/L
MDL
Indeo(1,2,3-cd)pyrene
0.0
6
EPA 625.1
5.0 ug/L
X ML
6
EPA 625.1
5.0 ug/L
MDL
X ML
Isophorone
0.0
ug/L
0.0
ug/L
ug/L
0.0
ug/L
MDL
Naphthalene
0.0
6
EPA 625.1
5.0 ug/L
X ML
MDL
Nitrobenzene
0.0
pg/L
0.0
pg/L
6
EPA 625.1
5.0 pg/L
X ML
MDL
N-nitrosodi-n-propylamine
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
N-nitrosodimethylamine
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
N-nitrosodiphenylamine
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
Phenanthrene
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
x ML
MDL
Pyrene
0.0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X ML
MDL
1,2,4-trichlorobenzene
).0
ug/L
0.0
ug/L
6
EPA 625.1
5.0 ug/L
X 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 O. See instructions and 40 CFR 122.21(e)(3).
EPA Form 3510-2A (Revised 3/19) Page 21

This page intentionally left blank.

EPA Identification Number NPDES Permit Number Facility Name Outfall Number
Form Approved 03/05/19
110018575086 NC003O210 Mallard Creek WRF 001
OMB No.2040-0004
Maximum Daily Discharge Average Daily Discharge
Pollutant7
Analytical ML or MDL
Number
(list) Value Units Value Units
Method' (include units)
Samples
�✓ No additional sampling is required by NPDES permitting authority.
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ ML
❑ MDL
❑ 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

Attachment #1

Attachment #1
Mallard Creek WRRF Narrative of Treatment Processes
Mallard Creek is a 13.1 MGD WRRF
Description of Treatment
Treatment consists of coarse and fine mechanical bar screens; grit removal; day tanks; storm
flow equalization; five primary clarifiers; three trains in parallel of activated sludge treatment;
four final clarifiers; effluent rotating disc filters; ultraviolet disinfection; reclaimed water
distribution; sludge thickening; anaerobic digesters; and sludge dewatering.
Liquid Processes
Preliminary Treatment:
Wastewater enters the plant through a 36-inch gravity sewer line to enter the headworks and
influent pumping station. The flow entering the headworks flows through two mechanical bar
screens where the screenings are compacted and conveyed to a dumpster. Flow from the
screens is sent to two vortex grit removal basins with a combined 32 MGD capacity.
Primary Treatment:
Following preliminary treatment, the wastewater splits between two 500k gallon cells of the
flow equalization day tanks (1MG total). From here, it is pumped to the distribution boxes (DB),
DB-1, DB-1A, and DB-2A and is distributed to the five existing primary clarifiers (PC-1 through
PC-5) with a total combined volume of 1.25 MG. After primary treatment the flow from all of
the operating clarifiers is collected and discharged into DB-5 where it is combined with the RAS
flow from all three treatment trains and then is distributed to the aeration basins.
Secondary Treatment:
The primary clarifier flow is combined with RAS and split equally between biological treatment
trains 1, 2, and 3. It goes through anoxic zone and aeration zone with internal recycle. The
activated sludge process is carried out in in parallel across three rectangular aeration basins
and, in trains 1 and 2, is followed by additional round aeration basins, with all aeration tanks
combined totaling a volume of 5.26 MG.

Following the aeration basin, flow from the round oxic basins of trains 1 and 2 are combined in
DB-9 and split to final clarifiers (FC) FC-1, FC-2, and FC-5, each with a volume of 0.881 MG. Flow
from the train 3 aeration basin is sent to final clarifier FC-3 (0.881 MG) at DB-18. A portion of
the flow at DB-18 can be directed to DB-9 to mix with the flows from trains 1 and 2 and feed to
FC-1, FC-2, and FC-5. This portion is determined by a modulating pinch valve that calculates an
input percentage to divert based on influent flow. Flow from all final clarifiers combine at DB-
11 then gravity flow to the filter distribution structure.
Tertiary Treatment:
Combined secondary effluent flow from all the final clarifiers is sent to filter distribution
structure (FDS) FDS-1 for filtration. Filtered effluent is sent for UV disinfection and then to the
cascade aeration structure where re -aeration takes place. The effluent is discharged through a
42" line into Mallard Creek.
Reclaimed Water Generation and Distribution System:
Mallard Creek WRRF's reclaimed water distribution system operates by pumping treated
effluent from post UV disinfection to the reclaimed water well. Reclaimed water is chlorinated
to (a level of 0.25 mg/I - 0.5 mg/1) and can be used as non -potable plant water. The reclaimed
water distribution system is not currently in service, however once in operation will have the
ability to supply water to approved customers.
Solids Processing and Biosolids Management at Mallard Creek WRRF
Mallard Creek WRRF operates 4 primary digesters with an average detention time of 30-40
days. The average total solids content of the sludge (RAW and TWAS) being sent to the primary
digester is 3.0 - 4.0%. Average sludge flow to the primary digesters is between 30-40k
gallons/day. Mallard Creek WRRF is currently operating one secondary digester with a volume
of 500k gallons. The average total percent solids for the digested sludge at Mallard Creek WRRF
is 1.5 - 2.0%. For thickening and dewatering purposes, Mallard Creek WRRF uses two
thickening centrifuges and two dewatering centrifuges. Dewatered solids are belt conveyed
out of the dewatering building into a dump truck then transferred to a covered storage pad
onsite. They are stored here before being hauled off.
The average cake material is 20% solids. All biosolids produced at Mallard Creek WRRF are
Class B and are land applied in both North and South Carolina (if they pass all required testing
and conform to 40 CFR Part 503). All non -conforming solids are landfilled.

RECEIVED
JUIJ U 3 2024
NME .1 R.WDES
Attachment #2

Attachment #2
Existing Environmental Permits
NC General Stormwater Permit NCG110114
Land Application of Residuals NC WQ000057
SC ND0080900
Wastewater Collection System Permit WQCS00001
Reclaimed Water Generation & WQ0013252
Distribution System
Dam Safety Mallard Creek WRF Equalization Basin
Dam (MECKL-033 I NID ID: NC03404)

Attachment #3
RECEIVED
JUN 0 3 2024
NCDEQ/DWR/NPDES

Attachment #3
The Contractors at Mallard Creek WRRF are listed below. The addresses and telephone
numbers for the contractors are included.
CIP Project Contractors
PC CONSTRUCTION
Address: 193 Tilley Drive, South Burlington, VT 05403
COMPANY
Telephone #:[phone]
Contract Emphasis: Contractor for Mallard Creek WRF Expansion
Phase 1 project.
BROWN & CALDWELL
Address: 309 East Morehead Street, Suite 220, Charlotte, NC 28202
Telephone #:[phone]
Contract Emphasis: Engineering Consultant for Mallard Creek WRF
Expansion Phase 1 & 1 B projects.
CDM SMITH, INC
Address: 4600 Park Road, Suite 240, Charlotte, NC 28209
Telephone #:[phone]
Contract Emphasis: Engineering Consultant for Mallard Creek WRF
Expansion Phase 1 & 1 B projects
R.J. LEEPER
Address: 601 Morris St. Charlotte, NC 28202
Telephone #:[phone]
Contract Emphasis: Contractor for Mallard Creek WRF Expansion
Phase 1 Project(joint venture with PC Construction Company)
Maintenance & Mechanical Contractors
KEMP CONSTRUCTION,
Address: 2217 Lynmore Drive Sherrill's Ford, NC 28675
INC
Telephone #: [phone]
Contract Emphasis: General Contractor for O&M of the WWTP
repairs for plant equipment and processes.
BW SERVICE
Address: 138 Pine DR Lowell, NC 28098
SOLUTIONS LLC
Telephone #: [phone]
Contract Emphasis: General Contractor for O&M of the WWTP
repairs for plant equipment and processes.
THE HARPER
Address: 25 West Court Street, Suite 400, Greenville, SC 29601
CORPORATION —
Telephone #: [phone]
GENERAL
CONTRACTORS
Contract Emphasis: General Contractor for O&M of the WWTP
repairs for plant equipment and processes.
FACILITY SYSTEM
Address: 930 Matthews -Mint Hill Rd, Matthews, NC 28105
SERVICES INC
Telephone #: [phone]
Contract Emphasis: HVAC maintenance and repair contractor for
WWTP.

MITCHAM AND Address: 855 Martin Luther King Jr. Way, Gastonia, NC 28054
COMPANY Telephone #:[phone]
Contract Emphasis: Heat Exchanger and Boiler service contract
Electrical and Instrumentation/Control Contractors
CITI LLC
Address:4030 Yancey Rd. Charlotte, NC 28217
Telephone #:[phone]
Contract Emphasis: Instrumentation, Maintenance/Calibration and
PLC/System Integrator.
CAROLINA TRACTOR &
Address: 9000 Statesville Road Charlotte, NC 28269
EQUIPMENT COMPANY
Telephone #: [phone]
Contract Emphasis: Service provider for PM and repair maintenance
for the WWTP's diesel generators.
HACH COMPANY
Address: PO Box 389 Loveland, CO, 80539
Telephone #: [phone]
Contract Emphasis: Hach Brand Plant Instrumentation maintenance
and repair for WWTP.
AMTECK LLC
Address: 15 Brookfield Oaks Dr. Greenville, SC 29607
Telephone #: [phone]
Contract Emphasis: Electrical maintenance and repair services of
the WWTP.
biosonas management contractors
SYNAGRO Address: 12701 Lancaster Hwy Pineville, NC 28134
TECNOLOGIES INC Telephone #: [phone]
Contract Emphasis: Biosolids management services of the WWTP.

Attachment #4

Mallard Basin Inflow and Infiltration (1&1) Reduction Practices
Charlotte Water (CLTWater) has maintained an established evaluation and rehabilitation
program since the early 1990's. The purpose of this program is to restore and preserve
hydraulic capacity, structural integrity, and to reduce corrective maintenance costs by
addressing issues that cause SSOs. This includes maintaining and implementing an on -going 1/1
reduction plan.
Multiple construction contracts are continually in place to address these issues. Through
comprehensive SSES efforts, including manhole inspections, smoke testing, CCTV, flow
monitoring, etc., areas are identified for rehabilitation and work orders assigned to a
contractor. The work may include manhole rehabilitation, point repairs, pipe lining and pipe
replacement.
CLTWater uses flow monitoring extensively to support engineering analyses, to prioritize sewer
improvements, and to evaluate capacity issues and 1/1 loadings in the major trunk lines in the
system. CLTWater currently has 66 permanent flow meters installed throughout the service
area (5 permanent meters in the Mallard Creek basin) and utilizes temporary flow metering on
an as -needed basis.
Since 2018, Charlotte Water's Sanitary Sewer Rehabilitation Program has inspected 379
manholes and installed 59 watertight frames and covers within the Mallard Basin. This does
not include similar work performed by CLTWater's Field Operation Division.

Totals as of 6/30/2023
Pipelines
MHs
Smoke
MH
Inflow
Cleanouts
Laterals
CCTV (LF)
Rehab/Replace (LF)
Inspected (EA)
Testing (LF)
Rehab/Replace (EA)
Dishes (EA)
Repair/Replace (EA)
Replaced (EA)
FY11
133,097
59,414
9,480
1,352,912
674
231
229
252
FY12
93,774
57,533
7,686
1,313,994
446
160
217
149
FY13
73,688
46,892
3,347
492,078
403
88
197
306
FY14
161,980
41,345
3,991
484,092
173
37
128
236
FY15
74,950
58,508
914
360,092
365
33
144
451
FY16
3,148
50,094
2,143
398,500
183
21
45
228
FY17
425,310
48,318
1,202
270,060
201
47
76
299
FY18
217,997
64,528
8,626
244,561
298
38
125
415
FY19
230,190
102,773
7,141
1,432,459
288
0
76
235
FY20
170,862
69,751
14,109
750,234
264
6
104
223
FY21
71,162
60,598
8,875
1,528,548
189
0
58
189
FY22
123,553
82,176
12,503
1,470,236
470
267
56
169
FY23
298,110
44,387
3,751
964,472
1,242
1,108
130
230
Total
2,077,821
786,317
83,768
11,062,238
5,196
2,036
1,585
3,382
Average
Per Year
159,832
60,486
6,444
850,941
400
157
122
260

Charlotte Water
Overall SSES Summary
Basin/
Manhole Inspections
Smoke Testing
Creek Inspections
Area
Work
Total
Work
Total
Work
Total
Performed/Anticipated
Inspections
PerformedlAnticipated
Footage
Performed/Anticipated
Footage
Andover Road area
Entire sub -basin
182
Entire sub -basin
50,000
0
Briar Creek
Entire basin
6,576
Entire basin
2,115,999
Entire basin
981,600
Clarke Creek
Primarily Huntersville; started Highland
2,585
Primarily Huntersville; started Highland
753,944
0
Creek area February 09
Creek area February 09
Coffee Creek
Trunk sewer and major tributaries
7,363
McCullough Branch sub -basin
585,865
45,810
Four Mile Creek
H2S Investigation (limited scope)
249
None
34,778
0
Trunk sewer and major tributaries
Trunk sewer and major tributaries
Irwin Creek
complete; began remainder of basin
14,422
complete; began remainder of basin
1,599,577
1,158,959
September 2012
September 2012
Trunk sewer and Gum Branch sub -basin
Trunk sewer and Gum Branch sub -basin
Long Creek
complete; began remainder of basin
17,551
complete; began remainder of basin
3,018,684
0
October 2008
November 2008
Mallard Creek
Trunk sewer complete; remainder of basin
5,818
Basin partially complete
272,972
0
partially complete
Trunk sewer and major tributaries
McAlpine Creek
complete; began remainder of basin
19,231
Entire basin
3,174,290
0
October 2010
McDowell Creek
Trunk sewer, major tributaries, and
7,109
Washam Street pump station sub -basin
66,754
0
Washam Street pump station sub -basin
McMullen Creek
Trunk sewer
8,656
Old ADS smoke leaks initially; began basin
202,912
711,649
work for B&C April 2017
Paw Creek
Entire basin
2,815
Entire basin
560,000
0
Reedy Creek
Entire Plott Road pump station sub -basin
3,381
Entire Plott Road pump station sub -basin
708,131
0
Rocky River
Entire basin
3,129
Entire basin
665,989
0
Six -Mile Creek
Trunk sewer and major tributaries and
304
None
29,267
0
Pasofino pump station sub -basin
Steele Creek
Trunk sewer and major tributaries; also
209
Carowinds
15,452
0
Carowinds
Lower Little Sugar Creek
Entire basin
2,999
Entire basin
378,774
Entire basin
374,827
Trunk sewer and major tributaries
Upper Little Sugar Creek
complete; began remainder of basin
11,147
McCullough Branch sub -basin complete;
1,617,673
Entire basin
856,754
began remainder of basin September 2008
September 2008
Miscellaneous
Various small areas
1,299
None
225,684
0
Total
115,025
16,076,744
4,129,599

Attachment #5

CHARLOTTE
Date: 3/20/2024
N
Project: Mallard Creek WRRF
One Mile Radius
CHARLOTTE WATER
Map Number 1
Scale �:z�sss
WOTER
W' E
ENGINEERING DIVISION
5100 BROOKSHIRE BLVD
A_1
meter oe—pnk eat, ana mnerrcwrtk arc pavidee
Created By:
kr peneal inkrmatbn purposes only. WhAe CM1arbtte NAter
for
m,ke,everyeVcd o an mReacuacyornbrmaron,ddoe.
nor inrormaiion is actuate, wrrcnt
CHARLOTTE. NC 2R216
sclontz
,
S
nol warrant puaantee pmvMed
.aq�t e:oa�Po:t�:`o:are�b�op`
rekased data.
Page 1 of 1

CHARLOTTE
Date: 3/20/2024
N
Project: Mallard Creek WRRF
Two Mile Radius
CHARLOTTE WATER
ENGINEERING DIVISION
Map Number 1
/�
A
Scale1:43,047
,&h, titer geog,phk datn and other re ,, provided
For .... nly.WhfkChi i Mier
5100 BROOKSHIRE BLVD
_2
Created B y:
SClOntz
S
ge.eraiihf—ti- p.m
makes.eryennrttowrlimtheamumeyoriarormatia..itdo's
not warrant nor guarantee infomia[ion pmvded is accurate, m,.nt
ror.p"te.ChaMatt,Mier tae meswretp—blUpMrrthe
aequen , ppropd Mre
row.. data.
CHARLOTTE. NC 29216
Page 1 of 1

Attachment #6

Mallard Creek Wastewater Treatment Plant
Flow Schematic - Updated 2024
Sugar
Water"
Magnesium Polymer`
Hydroxide
M-PCI M-PCE3 M-FAlia;t
M-INf Day Tank Intermediate Aeration Basins
Bar screen Influent Grit Removal pump Station Primary Clarifiers
Pump Station • • • •
Influent -g�� Da-5 • • • • •
• • • • • 11
f---- M-RAS
7o Land/ill M-BAw i � Return Activated
Sludge (RAS)
___ F___ _ _
To Landfill
Equalization Basin Filter Backwash Water
M-TCENT
Dewatering Centrate Thickening Centrifuges
Thickening Centrate Waste Activated
M{ENT Em--mw..__-... Sludge (WAS)
Dewatering Centrifuges Plant Drain Q Basin
To Land M-TWAS
Application
M-DIG2,
M-DIG3, Anaero gestars Polymer
M-CAKE M-CFEED Solids Storage M-DIG4,
M-DIGS
Polymer
Legerw
�— Wastewater
F — Treated Water
Solids
7 Pump
11111110 Flow Meter
—= Sampling Location
Optional chemical addition point
riow meters
Location (#)
At influent composite sampler
From grit removal
Intermediate Pump Station, to Primary Clarifiers
Sludge from RAW 2
Sludge from final clarifiers (3)
From UV, includes NPW and Reuse flows
At effluent composite sampler
To Reuse pump station
To Plant NPW
To Thickening Centrifuges (2)
To Anaerobic Digesters
From Solids Storage to Dewatering (2)
Variable Name(s) in WIMS
M-INF Flow
M- Grit Channel Flow to Day Tanks
M- Plant Intermediate Flow
M- Raw Sludge Total PS #1, #2 [Note: sludge from
RAW f estimated from pump strokes]
M-RAS Flow South #1&2; North FC-3, FC5
M-EFF Total Flow
M-EFF Calculated Flow [Note: Meter of Record]
M-REUSE Flow, Total
M-REUSE Flow at Doghouse
M- Waste to Thickener South #1 &2, North #2
M-Thickened Waste to Digester
M- Digester #1 to Dewatering Centrifuge #1, #2
Sodium
Reuse
Pump Station
To Plant NPW
UV
Cascade -------" To Reuse
Disinfection Aeration
Creek
ray
Tag Description
M-INF Influent [Note: Permitted sampling location]
M-PCI Primary Clarifier Influent, at DB-1
M-PCE Primary Clarifier Effluent, at DB-4
M-PCE3 Primary Clarifier Effluent, at MH52
M-FCI Final Clarifier Influent, at DB-9
M-FCE Final Clarifier Effluent, at DB-11
M-EFF Effluent [Note: Permitted sampling location]
M-RAW Raw Primary Sludge
M-RAS Return Activated Sludge
M-TCENT WAS Thickening Centrate
M-TWAS Thickened Waste Activated sludge
M-DIG# Primary Digesters (#2-5)
M-CFEEE Centrifuge Feed, Dewatering
M-CAKE Dewatered Cake
M-CENT Dewatering Centrate

RECEIVED
JUN 0 3 2024
NCDEQ/DWR/NPDES
Attachment #7

Attachment #7
Project Name
Project Summary
Dates & Other Details
MALLARD CREEK WRF EXPANSION
The purpose of this project is to increase the
Consultant: Brown and Caldwell & CDM Smith
PHASE 1
efficiency of our equipment and install new
Contractor: PC Construction
equipment to handle a higher processing of
Owner's Advisor: Brown & Caldwell
daily flow. Expansion will increase the plant
Delivery Method: CMAR
capacity from 13.1 MGD to 16MDG.
Design Start Date: July 2021
Expansion Project Includes: New Influent
Design End Date: October 2022
Screening in a Building; New Influent Pump
Station of the trench -type wet well in a Building;
Construction Start Date: October 2022
Rehabilitation of the existing Grit Removal
Anticipated Construction Completion: May 2026
System, Day Tanks and Intermediate Pump
Station area; New Flow Equalization Facilities;
Additional Alkalinity Storage and Feed
Facilities; Upgrades to the Aeration Controls;
Yard piping; Grading and paving; Stormwater
control; and Electrical and instrumentation
improvements.
MALLARD CREEK WRF EXPANSION
The purpose of this project is the rehabilitation
Consultant: CDM Smith I Contractor: TBD
PHASE 1 B
of the solids handling processes to
Owner's Advisor: Brown & Caldwell
accommodate the increase in flow from the
Delivery Method:TBD
Phase 1 expansion project. Solid Handling
Improvements Projects include the following:
Anticipated Design Start Date: July 2024
Sludge Screening Facility
Anticipated Design End Date: March 2026
Primary Sludge Pumping Improvements
Digester Sludge Heating Improvements
Anticipated Start Date: July 2026
Secondary Digester Mixing and Floating Cover
Anticipated Construction Completion: July 2030
Rehabilitation
Dewatered Cake Conveyance Improvements
Polymer System Improvements
Thickening Centrifuge Replacement
Waste Gas Flare Replacement
Replace ent of Buried Piping

Attachment #8

Attachment #8
Mallard Creek WRF Component List for Supplement to Permit Cover Sheet
Below is the current list of components:
• Influent pump station
• Storm flow equalization tanks
• Mechanical bar screens
• Grit removal
• Flow equalization day tank
• Primary clarification
• Activated sludge treatment
• Final clarification
• Membrane filtration effluent filters
• UV disinfection and re -aeration
• Reclaim Water Generation and Distribution
• Sludge thickening and dewatering equipment
• Sludge drying beds
• Anaerobic sludge digestion
• Backup generators

Attachment #9

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030_21.0_ Month November
Outfall 001 Year 2019
Facility Name: Mallard Creek WWTP ORC Mr. Henry Eudv
Date of EFFLUENT sampling: 11113/2019• Low Level Mercury on 11 / 12/2019 Phone-(9801 214-5977
Analytical Laboratory: CHARLOTTE WATER Environ Lab -NC 192 Prism Lab -NC 402 and Shealy Lab -NC 329
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Ammonia (as N)
C0610
Composite
SM 4500-NH3-H-11
0.10
Less than
mg/L
Chlorine (total residual, TRC)
50060
Grab
Hach 10014ULR
15
15
ug/L
Dissolved Oxygen
00300
Grab
ASTM D888-09C
1.0
8.5
mg/L
Nitrite plus Nitrate Total (as N)
00630
Composite
EPA 353.2-93
1.0
18.0
mg/L
Total Kjeldahl Nitrogen
00625
Composite
EPA 351.2-93
0.25
1.1
mg/L
Oil and Grease
00556
Grab
EPA 1664B
5.0
Less than
mg/L
Total Phosphorus
C0665 I
Composite
SM 4500P-H-11 1
0.10 1
3.4
mg/L
Total Dissolved Solids
70295
Composite
SM 2540C-11
25 1
340
mg/L
Hardness
00900 1
Composite
IEPA 200.7
1.0 1
140
mg/L
Metals (total recoverable), cyanide
and total
phenols
Antimony
01097
Composite
EPA 200.8
5.0
Less than
ug/L
Arsenic
01002
Composite
EPA 200.8
5.0
Less than
ug/L
Beryllium
01012
Composite
EPA 200.8
2.0
Less than
ug/L
Cadmium
01027
Composite
EPA 200.8
0.5
Less than
ug/L
Chromium
01034
Composite
EPA 200.8
5.0
Less than
ug/L
Copper
01042
Composite
EPA 200.8
2.0
3.6
ug/L
Lead
01051
Composite
EPA 200.8
5.0
Less than
ug/L
Mercury (Method 1631E)
COMER
Grab
EPA 1631E
0.500
0.598
ng/L
Nickel
01067
Composite
EPA 200.8
2.0
2.0
ug/L
Selenium
01 147
Composite
EPA 200.8
5.0
Less than
ug/L
Silver
01077
Composite
EPA 200.8
1.0
Less than
ug/L
Thallium
01059
Composite
EPA 200.8
1.0
Less than
ug/L
Zinc
01092
Composite
EPA 200.8
10
43
ug/L
Cyanide
00720
Grab
10-204-00-1-X
10
1 Less than
ug/L
Total phenolic compounds
32730
Grab
EPA 420.2
0.050
1 Less than
mg/L
Volatile organic compounds
Acrolein
34210
Grab
EPA 624.1
25
Less than
ug/L
Acrylonitrile
34215
Grab
EPA 624.1
2.0
Less than
ug/L
Benzene
34030
Grab
EPA 624.1
2.0
Less than
ug/L
Bromoform
32104
Grab
EPA 624.1
2.0
Less than
ug/L
Carbon Tetrachloride
32102
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorobenzene
34301
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorodibromomethane
34306
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroethane
85811
Grab
EPA 624.1
5.0
Less than
ug/L
2-chloroethyl vinyl ether
34576
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroform
32106
Grab
EPA 624.1
2.0
Less than
ug/L
Dichlorobromomethane
32101
Grab
EPA 624.1
2.0
Less than
ug/L
1, 1 -dichloroethane
34496
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloroethane
32103
Grab
EPA 624.1
2.0
1 Less than
ug/L
Trans-1,2-dichloroethylene
34546
Grab
EPA 624.1
2.0
1 Less than
ug/L

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month November
Out fall 001 Year 2019
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
1, 1 -dichloroethylene
34501
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloropropane
34541
Grab
EPA 624.1
2.0
Less than
ug/L
1,3-dichloropropylene
77163
Grab
EPA 624.1
2.0
Less than
ug/L
Et.hylbenzcne
34371
Grab
EPA 624.1
2.0
Less than
ug/L
Methyl Bromide
34413
Grab
EPA 624.1
5.0
Less than
ug/L
Methyl Chloride
34418
Grab
EPA 624.1
5.0
Less than
ug/l,
Methylene Chloride
34423
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,2,2-tetrachloroethane
81549
Grab
EPA 624.1
2.0
Less than
ug/L
Tetrachloroethylene
34475
Grab
EPA 624.1
2.0
Less than
ug/L
Toluene
34010
Grab
EPA 624.1
2.0
Less than
ug/L
1, 1, 1 -trichloroethane
34506
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,2-trichloroethane
34511
Grab
EPA 624.1
2.0
Less than
ug/L
Trichloroethylene
39180
Grab
EPA 624.1
2.0
Less than
ug/L
Vinyl Chloride
39175
Grab
EPA 624.1
5.0
Less than
ug/L
Acid -extractable compounds
P-chloro-m-creso
34452
Composite
EPA 625.1
5.0
Less than
ug/L
2-chlorophenol
34586
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dichlorophenol
34601
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dimethylphenol
34606
Composite
EPA 625.1
5.0
Less than
ug/L
4,6-dinitro-o-cresol
34657
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrophenol
34616
Composite
EPA 625.1
20.0
Less than
ug/L
2-nitrophenol
34591
Composite
EPA 625.1
5.0
Less than
ug/L
4-nitrophenol
34646
Composite
EPA 625.1
5.0
Less than
ug/L
Pentachlorophenol
39032
Composite
EPA 625.1
10.0
1 Less than
ug/L
Phenol
34694
Composite
EPA 625.1
5.0
1 Less than
ug/ L
2,4,6-trichlorophenol
34621
Composite
EPA 625.1
5.0
1 Less than
ug/L
Base -neutral compounds
Acenaphthene
34205
Composite
EPA 625.1
5.0
Less than
ug/L
Acenaphthylene
34200
Composite
EPA 625.1
5.0
Less than
ug/L
Anthracene
CO220
Composite
EPA 625.1
5.0
Less than
ug/L
Benzidine
39120
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(a)anthracene
34526
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(a)pyrene
34247
Composite
EPA 625.1
5.0
Less than
ug/L
3,4 benzofluoranthene
34230
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(ghi)per_ylene
34521
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(k)fluoranthene
34242
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroetho)y) methane
34278
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroethyl) ether
34273
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroisopropyl) ether
34283
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-ethylhexyl) phthalate
39100
Composite
EPA 625.1
5.0
Less than
ug/L
4-bromophenyl phenyl ether
34636
Composite
EPA 625.1
5.0
Less than
ug/L
Butyl benzyl phthalate
34292
Composite
EPA 625.1
5.0
Less than
ug/L
2-chloronaphthalene
34581
Composite
EPA 625.1
5.0
Less than
ug/L
4-chlorophenyl phenyl ether
34641
Composite
EPA 625.1
5.0 1
Less than
ug/L
Chrysene
34320
Composite
I EPA 625.1
5.0 1
Less than
ug/ L
Form - DMR- PPA-1 pnoP 9

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month November
0utfall 001 Year 2019
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Qaaatitation
Level
Sample
Result
Units of
Measurement
Di-ri-butyl phthalate
39110
Composite
EPA 625.1
5.0
Less than
ug/L
Di-n-octyl phthalate
34596
Composite
EPA 625.1
5.0
Less than
ug/L
Dibenzo(a,h)anthracene
34556
Composite
EPA 625.1
5.0
Less than
ug/ L
1,2-dichlorobenzene
34536
Composite
EPA 625.1
5.0
Less than
ug/L
1,3-dichlorobenzene
34566
Composite
EPA 625.1
5.0
Less than
ug/I,
1,4-dichlorobenzene
34571
Composite
EPA 625.1
5.0
Less than
ug/L
3,3-dichlorobenzidine
34631
Composite
EPA 625.1
5.0
Less than
ug/L
Diethyl phthalate
34336
Composite
EPA 625.1
5.0
Less than
ug/L
Dimethyl phthalate
34341
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrotoluene
34611
Composite
EPA 625.1
5.0
Less than
ug/L
2,6-dinitrotoluene
C0626
Composite
EPA 625.1
5.0
Less than
ug/L
1,2-diphenylhydrazine
34346
Composite
EPA 625.1
5.0
Less than
ug/L
Fluoranthene
C0376
Composite
EPA 625.1
5.0
Less than
ug/L
Fluorene
34381
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobenzene
C0700
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobutadiene
39702
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorocyclo-pentadiene
34386
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachloroethane
34396
Composite
EPA 625.1
5.0
Less than
ug/L
Indeno(1,2,3-cd)pyrene
34403
Composite
EPA 625.1
5.0
Less than
ug/L
Isophorone
34408
Composite
EPA 625.1
5.0
Less than
ug/L
Naphthalene
34696
Composite
EPA 625.1
5.0
Less than
ug/L
Nitrobenzene
34447
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodi-n-propylamine
34428
Composite
EPA 625.1
5.0
Less than
ug/ L
N-nitrosodimethylamine
34438
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodiphenylamine
34433
Composite
EPA 625.1
5.0
Less than
ug/ L
Phenanthrene
34461
Composite
EPA 625.1
5.0
Less than
ug/L
Pyrene
34469
Composite
EPA 625.1
5.0
Less than
ug/L
1,2,4,-trichlorobenzene
34551
Composite
EPA 625.1
5.0
1 Less than
ug/L
"1 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 managed 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 fines and imprisonment for knowing violations."
Authorized Representative name
Sig ture
Date
Form - DMR- PPA-1

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No, NCO030210 Month February
Outfall 001 Year 2020
Facility Name: Mallard Creek WWTP
ORC Mr. Henry Eudy
Date of EFFLUENT sampling: 2/ 12/2020; Low Level Mercury on 2/ 11/2020 Phone [phone]
Analytical Laboratory: CHARLOTTE WATER Environ.Lab-NC 192 Waypoint Lab -NC 402, and Waypoint,MS.-NC 694
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Ammonia (as N)
C0610
Composite
SM 4500-NH3-H-11
0.10
Less than
mg/L
Chlorine (total residual, TRC)
50060
Grab
Hach 10014ULR
15
16
ug/L
Dissolved Oxygen
00300
Grab
ASTM D888-09C
1.0
8.9
mg/ L
Nitrite plus Nitrate Total (as N)
00630
Composite
EPA 353.2-93
1.0
17
mg/L
Total Kjeldahl Nitrogen
00625
Composite
EPA 351.2-93
0.25
1.2
mg/L
Oil and Grease
00556
Grab
EPA 1664B
5.0
Less than
mg/L
Total Phosphorus
C0665
Composite
SM 4500P-H-11
0,10
1 2.5
mg/ L
Total Dissolved Solids
70295
Composite
SM 2540C-11
25
280
mg/L
Hardness
00900
Composite
EPA 200.7
1.0
140
mg/L
Metals (total recoverable), cyanide
and total
phenols
Antimony
01097
Composite
EPA 200.8
5.0
Less than
ug/L
Arsenic
01002
Composite
EPA 200.8
5.0
Less than
ug/L
Beryllium
01012
Composite
EPA 200.7
2.0
Less than
ug/L
Cadmium
01027
Composite
EPA 200.8
0.5
Less than
ug/L
Chromium
01034
Composite
EPA 200.8
5.0
Less than
ug/L
Copper
01042
Composite
EPA 200.8
2.0
2.4
ug/L
Lead
01051
Composite
EPA 200.8
5.0
Less than
ug/L
Mercury (Method 1631E)
COMER
Grab
EPA 1631E
0.50
0.77
ng/L
Nickel
01067
Composite
EPA 200.8
2.0
2.0
ug/L
Selenium
01147
Composite
EPA 200.8
5.0
Less than
ug/L
Silver
01077
Composite
EPA 200.8
1.0
Less than
ug/L
Thallium
01059
Composite
EPA 200.8
1.0
Less than
ug/L
Zinc
01092
Composite
EPA 200.8
10
31
ug/L
Cyanide
00720
1 Grab
10-204-00-1-X
10
Less than
ug/L
Total phenolic compounds
32730
1 Grab
I EPA 420.2
0.050
1 Less than
mg/L
Volatile organic compounds
Acrolein
34210
Grab
EPA 624.1
25
Less than
ug/L
Acrylonitrile
34215
Grab
EPA 624.1
2.0
Less than
ug/L
Benzene
34030
Grab
EPA 624.1
2.0
Less than
ug/L
Bromoform
32104
Grab
EPA 624.1
2.0
Less than
ug/L
Carbon Tetrachloride
32102
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorobenzene
34301
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorodibromomethane
34306
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroethane
85811
Grab
EPA 624.1
5.0
Less than
ug/L
2-chloroethyl vinyl ether
34576
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroform
32106
Grab
EPA 624.1
2.0
Less than
ug/L
Dichlorobromomethane
32101
Grab
EPA 624.1
2.0
Less than
ug/L
1, 1 -dichloroethane
34496
Grab
EPA 624.1
2.0
Lessthan
ug/L
1,2-dichloroethane
32103
Grab
EPA 624.1
2.0
Less than
ug/L
Trans-1,2-dichloroethylene
34546
Grab
EPA 624.1
2.0
Less than
ug/L
Form - DMR- PPA-1 Page 1

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month February
Outfall 001 Year 2020
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
1, 1 -dichloroethylene
34501
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloropropane
34541
Grab
EPA 624.1
2.0
Less than
ug/L
1,3-dichloropropylene
77163
Grab
EPA 624.1
2.0
Less than
ug/L
Ethylbenzene
34371
Grab
EPA 624.1
2.0
Less than
ug/L
Methyl Bromide
34413
Grab
EPA 624.1
5.0
Less than
ug/L
Methyl Chloride
34418
Grab
EPA 624.1
5.0
Less than
ug/L
Methylene Chloride
34423
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,2,2-tetrachloroethane
81549
Grab
EPA 624.1
2.0
Less than
ug/L
Tetrachloroethylene
34475
Grab
EPA 624.1
2.0
Less than
ug/L
Toluene
34010
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,1-trichloroethane
34506
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,2-trichloroethane
34511
Grab
EPA 624.1
2.0
Less than
ug/L
Trichloroethylene
39180
Grab
EPA 624.1
2.0
Less than
ug/L
Vinyl Chloride
39175
Grab
EPA 624.1
5.0
Less than
ug/L
Acid -extractable compounds
P-chloro-m-creso
34452
Composite
EPA 625.1
5.0
Less than
ug/L
2-chlorophenol
34586
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dichlorophenol
34601
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dimethylphenol
34606
Composite
EPA 625.1
5.0
Less than
ug/L
4,6-dinitro-o-cresol
34657
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrophenol
34616
Composite
EPA 625.1
20.0
Less than
ug/L
2-nitrophenol
34591
Composite
EPA 625.1
5.0
Less than
ug/L
4-nitrophenol
34646
Composite
EPA 625.1
5.0
Less than
ug/L
Pentachlorophenol
39032
Composite
EPA 625.1
10.0
Less than
ug/L
Phenol
34694
Composite
EPA 625.1
5.0
Less than
ug/L
2,4,6-trichlorophenol
34621
Composite
EPA 625.1
5.0
Less than
ug/L
Base -neutral compounds
Acenaphthene
34205
Composite
EPA 625.1
5.0
Less than
ug/L
Acenaphthylene
34200
Composite
EPA 625.1
5.0
Less than
ug/L
Anthracene
CO220
Composite
EPA 625.1
5.0
Less than
ug/L
Benzidine
39120
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(a)anthracene
34526
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(a)pyrene
34247
Composite
EPA 625.1
5.0
Less than
ug/L
3,4 benzofluoranthene
34230
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(ghi)perylene
34521
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(k)fluoranthene
34242
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroethoxy) methane
34278
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroethyl) ether
34273
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroisopropyl) ether
34283
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-ethylhexyl) phthalate
39100
Composite
EPA 625.1
5.0
Less than
ug/L
4-bromophenyl phenyl ether
34636
Composite
EPA 625.1
5.0
Less than
ug/L
Butyl benzyl phthalate
34292
Composite
EPA 625.1
5.0
Less than
ug/L
2-chloronaphthalene
34581
Composite
EPA 625.1
5.0
Less than
ug/L
4-chlorophenyl phenyl ether
34641
Composite
EPA 625.1
5.0
Less than
ug/L
Chrysene
34320
Composite
EPA 625.1
5.0
1 Less than
ug/L
Form - DMR- PPA-1 Page 2

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month February
Outfall 001 Year 2020
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Di-n-butyl phthalate
39110
Composite
EPA 625.1
5.0
Less than
ug/L
Di-n-octyl phthalate
34596
Composite
EPA 625.1
5.0
Less than
ug/L
Dibenzo(a,h)anthracene
34556
Composite
EPA 625.1
5.0
Less than
ug/L
1,2-dichlorobenzene
34536
Composite
EPA 625.1
5.0
Less than
ug/L
1,3-dichlorobenzene
34566
Composite
EPA 625.1
5.0
Less than
ug/L
1,4-dichlorobenzene
34571
Composite
EPA 625.1
5.0
Less than
ug/L
3,3-dichlorobenzidine
34631
Composite
EPA 625.1
5.0
Less than
ug/L
Diethyl phthalate
34336
Composite
EPA 625.1
5.0
Less than
ug/L
Dimethyl phthalate
34341
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrotoluene
34611
Composite
EPA 625.1
5.0
Less than
ug/L
2,6-dinitrotoluene
C0626
Composite
EPA 625.1
5.0
Less than
ug/L
1,2-diphenylhydrazine
34346
Composite
EPA 625.1
5.0
Less than
ug/L
Fluoranthene
C0376
Composite
EPA 625.1
5.0
Less than
ug/L
Fluorene
34381
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobenzene
C0700
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobutadiene
39702
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorocyclo-pentadiene
34386
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachloroethane
34396
Composite
EPA 625.1
5.0
Less than
ug/L
Indeno(1,2,3-cd)pyrene
34403
Composite
EPA 625.1
5.0
Less than
ug/L
Isophorone
34408
Composite
EPA 625.1
5.0
Less than
ug/L
Naphthalene
34696
Composite
EPA 625.1
5.0
Less than
ug/L
Nitrobenzene
34447
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodi-n-propylamine
34428
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodimethylamine
34438
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodiphenylamine
34433
Composite
EPA 625.1
5.0
Less than
ug/L
Phenanthrene
34461
Composite
EPA 625.1
5.0
1 Less than
ug/L
Pyrene
34469
Composite
EPA 625.1
5.0
Less than
ug/L
1,2,4,-tichlorobenzene
34551
Composite
EPA 625.1
5.0
Less than
ug/L
"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 managed 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 fines and imprisonment for knowing violations."
Authorized Representative name
ign ture Rhonda L Hutson
,3 L I Z,2L
Date
Form - DMR- PPA-1 Page 3

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month May
Outfall 001 Year 2021
Facility Name Mallard Creek WWTP ORC Mr. Henry Eudy-
Date of EFFLUENT Sampling: 5/5/2021; Low Level Mercury on 5/4/2021 Phone [phone]
Analytical Laboratory: CHARLOTTE WATER Environ.Lab-NC 192, Waypoint Lab -NC 402, and Wavpoint,MS.-NC 694
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Ammonia (as N)
C0610
Composite
SM 4500-NH3-H-11
0.10
Less than
mg/L
Chlorine (total residual, TRC)
50060
Grab
Hach 10014ULR
15
Less than
ug/L
Dissolved Oxygen
00300
Grab
ASTM D888-09C
1.0
8.6
mg/L
Nitrite plus Nitrate Total (as N)
00630
Composite
EPA 353.2-93
1.0
17
mg/L
Total I(jeldahl Nitrogen
00625
Composite
EPA 351.2-93
0.25
1.3
mg/L
Oil and Grease
00556
Grab
EPA 1664B
5.0
Less than
mg/L
Total Phosphorus
C0665
Composite
SM 4500P-H-11
0.10
3.8
mg/L
Total Dissolved Solids
70295
1 Composite ISM
2540C-11
1 25
350
mg/L
Hardness
00900
1 Composite I
EPA 200.7
1.0
140
mg/L
Metals (total recoverable), cyanide
and total
phenols
Antimony
01097
Composite
EPA 200.8
5.0
Less than
ug/L
Arsenic
01002
Composite
EPA 200.8
5.0
Less than
ug/L
Beryllium
01012
Composite
EPA 200.8
2.0
Less than
ug/L
Cadmium
01027
Composite
EPA 200.8
0.5
Less than
ug/L
Chromium
01034
Composite
EPA 200.8
5.0
Less than
ug/L
Copper
01042
Composite
EPA 200.8
2.0
Less than
ug/L
Lead
01051
Composite
EPA 200.8
5.0
Less than
ug/L
Mercury (Method 1631E)
COMER
Grab
EPA 1631E
0.50
Less than
ng/L
Nickel
01067
Composite
I EPA 200.8
2.0
2.0
ug/L
Selenium
01147
Composite
EPA 200.8
5.0
Less than
ug/L
Silver
01077
Composite
EPA 200.8
1.0
Less than
ug/L
Thallium
01059
Composite
EPA 200.8
1.0
Less than
ug/L
Zinc
01092
Composite
EPA 200.8
10
36
ug/L
Cyanide
00720
Grab
10-204-00-1-X
10
Less than
ug/L
Total phenolic compounds
32730
Grab
EPA 420.2
0.050
1 Less than
mg/L
Volatile organic compounds
Acrolein
34210
Grab
EPA 624.1
25
Less than
ug/L
Acrylonitrile
34215
Grab
EPA 624.1
2.0
Less than
ug/L
Benzene
34030
Grab
EPA 624.1
2.0
Less than
ug/L
Bromoform
32104
Grab
EPA 624.1
2.0
Less than
ug/L
Carbon Tetrachloride
32102
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorobenzene
34301
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorodibromomethane
34306
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroethane
85811
Grab
EPA 624.1
5.0
Less than
ug/L
2-chloroethyl vinyl ether
34576
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroform
32106
Grab
EPA 624.1
2.0
Less than
ug/L
Dichlorobromomethane
32101
Grab
EPA 624.1
2.0
Less than
ug/L
1, 1 -dichloroethane
34496
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloroethane
32103
Grab
EPA 624.1
1 2.0
Less than
ug/L
Trans-1,2-dichloroethylene
34546
Grab
EPA 624.1
1 2.0
1 Less than
ug/L
Form - DMR- PPA-1 Page 1

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month May
Outfall 001 Year 2021
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
1, 1 -dichloroethylene
34501
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloropropane
34541
Grab
EPA 624.1
2.0
Less than
ug/L
1,3-dichloropropylene
77163
Grab
EPA 624.1
2.0
Less than
ug/L
Ethylbenzene
34371
Grab
EPA 624.1
2.0
Less than
ug/L
Methyl Bromide
34413
Grab
EPA 624.1
5.0
Less than
ug/L
Methyl Chloride
34418
Grab
EPA 624.1
5.0
Less than
ug/L
Methylene Chloride
34423
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,2,2-tetrachloroethane
81549
Grab
EPA 624.1
2.0
Less than
ug/L
Tetrachloroethylene
34475
Grab
EPA 624.1
2.0
Less than
ug/L
Toluene
34010
Grab
EPA 624.1
2.0
Less than
ug/L
1, 1, 1 -trichloroethane
34506
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,2-trichloroethane
34511
Grab
EPA 624.1
2.0
Less than
ug/L
Trichloroethylene
39180
Grab
EPA 624.1
2.0
Less than
ug/L
Vinyl Chloride
39175
Grab
EPA 624.1
5.0
Less than
ug/L
Acid -extractable compounds
P-chloro-m-creso
34452
Composite
EPA 625.1
5.0
Less than
ug/L
2-chlorophenol
34586
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dichlorophenol
34601
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dimethylphenol
34606
Composite
EPA 625.1
5.0
Less than
ug/L
4,6-dinitro-o-cresol
34657
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrophenol
34616
Composite
EPA 625.1
20.0
Less than
ug/L
2-nitrophenol
34591
Composite
EPA 625.1
5.0
Less than
ug/L
4-nitrophenol
34646
Composite
EPA 625.1
5.0
Less than
ug/L
Pentachlorophenol
39032
Composite
EPA 625.1
10.0
1 Less than
ug/L
Phenol
34694
Composite
EPA 625.1
5.0
Less than
ug/L
2,4,6-trichlorophenol
34621
Composite
EPA 625.1
5.0
Less than
ug/L
Base -neutral compounds
Acenaphthene
34205
Composite
EPA 625.1
5.0
Less than
ug/L
Acenaphthylene
34200
Composite
EPA 625.1
5.0
Less than
ug/L
Anthracene
CO220
Composite
EPA 625.1
5.0
Less than
ug/L
Benzidine
39120
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(a)anthracene
34526
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(a)pyrene
34247
Composite
EPA 625.1
5.0
Less than
ug/L
3,4 benzofluoranthene
34230
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(ghi)perylene
34521
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(k)fluoranthene
34242
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroethoxy) methane
34278
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroethyl) ether
34273
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroisopropyl) ether
34283
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-ethylhexyl) phthalate
39100
Composite
EPA 625.1
5.0
Less than
ug/L
4-bromophenyi phenyl ether
34636
Composite
EPA 625.1
5.0
Less than
ug/L
Butyl benzyl phthalate
34292
Composite
EPA 625.1
5.0
Less than
ug/L
2-chloronaphthalene
34581
Composite
EPA 625.1
5.0
Less than
ug/L
4-chlorophenyl phenyl ether
34641
Composite
EPA 625.1
5.0
Less than
ug/L
Chrysene
343207
Composite
EPA 625.1
5.0
1 Less than
ug/L
Form - DMR- PPA-1 Page 2

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month May
Outfall 001 Year 2021
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Di-n-butyl phthalate
39110
Composite
EPA 625.1
5.0
Less than
ug/L
Di-n-octyl phthalate
34596
Composite
EPA 625.1
5.0
Less than
ug/L
Dibenzo(a,h)anthracene
34556
Composite
EPA 625.1
5.0
Less than
ug/L
1,2-dichlorobenzene
34536
Composite
EPA 625.1
5.0
Less than
ug/L
1,3-dichlorobenzene
34566
Composite
EPA 625.1
5.0
Less than
ug/L
1,4-dichlorobenzene
34571
Composite
EPA 625.1
5.0
Less than
ug/L
3,3-dichlorobenzidine
34631
Composite
EPA 625.1
5.0
Less than
ug/L
Diethyl phthalate
34336
Composite
EPA 625.1
5.0
Less than
ug/L
Dimethyl phthalate
34341
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrotoluene
34611
Composite
EPA 625.1
5.0
Less than
ug/L
2,6-dinitrotoluene
C0626
Composite
EPA 625.1
5.0
Less than
ug/L
1,2-diphenylhydrazine
34346
Composite
EPA 625.1
5.0
Less than
ug/L
Fluoranthene
C0376
Composite
EPA 625.1
5.0
Less than
ug/L
Fluorene
34381
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobenzene
C0700
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobutadiene
39702
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorocyclo-pentadiene
34386
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachloroethane
34396
Composite
EPA 625.1
5.0
Less than
ug/L
Indeno(1,2,3-cd)pyrene
34403
Composite
EPA 625.1
5.0
Less than
ug/L
Isophorone
34408
Composite
EPA 625.1
5.0
Less than
ug/L
Naphthalene
34696
Composite
EPA 625.1
5.0
Less than
ug/L
Nitrobenzene
34447
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodi-n-propylamine
34428
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodimethylamme
34438
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodiphenylamine
34433
Composite
EPA 625.1
5.0
Less than
ug/L
Phenanthrene
34461
Composite
EPA 625.1
5.0
Less than
ug/L
Pyrene
34469
Composite
EPA 625.1
5.0
1 Less than
ug/L
1,2,4,-trichlorobenzene
34551
Composite
EPA 625.1
1 5.0
1 Less than
ug/L
"I certify, under penalty of law, that this document and all attaclunents 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 managed 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 fines and imprisonment for knowing violations."
Authorized Representative name
Sig ture Rhonda L Hutson
Date
Form - DMR- PPA-1 Page 3

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month August
Outfall 001 Year 2022
Facility Name Mallard Creek WWTP
ORC Mr. Henry Eudy
Date of EFFLUENT Sampling: 8/3/2022: Low Level Mercury on 8/2/2022 Phone [phone]
Analytical Laboratory: CHARLOTTE WATER Environ.Lab-NC 192, Waypoint Lab -NC 402, and Waypoint,MS.-NC 694
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Ammonia (as N)
C0610
Composite
SM 4500-NH3-H-11
0.10
0.10
mg/L
Chlorine (total residual, TRC)
50060
Grab
Hach 10014ULR
15
Less than
ug/L
Dissolved Oxygen
00300
Grab
ASTM D888-12C
1.0
7.9
mg/L
Nitrite plus Nitrate Total (as N)
00630
Composite
EPA 353.2-93
1.0
17
mg/L
Total Kjeldahl Nitrogen
00625
Composite
EPA 351.2-93
0.25
0.73
mg/L
Oil and Grease
00556
Grab
EPA 1664B
5.0
Less than
mg/L
Total Phosphorus
C0665
Composite
SM 4500P-H-11
0.10
1 3.4
mg/L
Total Dissolved Solids
70295
Composite
SM 254OC-15
25
340
mg/L
Hardness
00900
Composite
EPA 200.7
1.0
1 170
mg/L
Metals (total recoverable), cyanide
and total
phenols
Antimony
01097
Composite
EPA 200.8
5.0
Less than
ug/L
Arsenic
01002
Composite
EPA 200.8
5.0
Less than
ug/L
Beryllium
01012
Composite
EPA 200.8
2.0
Less than
ug/L
Cadmium
01027
Composite
EPA 200.8
0.50
Less than
ug/L
Chromium
01034
Composite
EPA 200.8
5.0
Less than
ug/L
Copper
01042
Composite
EPA 200.8
2.0
2.7
ug/L
Lead
01051
Composite
EPA 200.8
5.0
Less than
ug/L
Mercury (Method 1631E)
COMER
Grab
EPA 1631E
0.500
0.744
ng/L
Nickel
01067
Composite
EPA 200.8
2.0
2.6
ug/L
Selenium
01147
Composite
EPA 200.8
5.0
Less than
ug/L
Silver
01077
Composite
EPA 200.8
1.0
Less than
ug/L
Thallium
01059
Composite
EPA 200.8
1.0
Less than
ug/L
Zinc
01092
Composite
EPA 200.7
10
1 36
ug/L
Cyanide
00720
Grab
10-204-00-1-X
10
1 Less than
ug/L
Total phenolic compounds
32730
Grab
EPA 420.2
0.050
1 Less than
mg/L
Volatile organic compounds
Acrolein
34210
Grab
EPA 624.1
25
Less than
ug/L
Acrylonitrile
34215
Grab
EPA 624.1
2.0
Less than
ug/L
Benzene
34030
Grab
EPA 624.1
2.0
Less than
ug/L
Bromoform
32104
Grab
EPA 624.1
2.0
Less than
ug/L
Carbon Tetrachloride
32102
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorobenzene
34301
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorodibromomethane
34306
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroethane
85811
Grab
EPA 624.1
5.0
Less than
ug/L
2-chloroethyl vinyl ether
34576
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroform
32106
Grab
EPA 624.1
2.0
Less than
ug/L
Dichlorobromomethane
32101
Grab
EPA 624.1
2.0
Less than
ug/L
1,1-dichloroethane
34496
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloroethane
32103
Grab
EPA 624.1
2.0
Less than
ug/L
Trans-1,2-dichloroethylene
34546
Grab
EPA 624.1
2.0
1 Less than
ug/L
Form - DMR- PPA-1 Page 1

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month August
Outfall 001 Year 2022
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
1,1-dichloroethylene
34501
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloropropane
34541
Grab
EPA 624.1
2.0
Less than
ug/L
1,3-dichloropropylene
77163
Grab
EPA 624.1
2.0
Less than
ug/L
Ethylbenzene
34371
Grab
EPA 624.1
2.0
Less than
ug/L
Methyl Bromide
34413
Grab
EPA 624.1
5.0
Less than
ug/L
Methyl Chloride
34418
Grab
EPA 624.1
5.0
Less than
ug/L
Methylene Chloride
34423
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,2,2-tetrachloroethane
81549
Grab
EPA 624.1
2.0
Less than
ug/L
Tetrachloroethylene
34475
Grab
EPA 624.1
2.0
Less than
ug/L
Toluene
34010
Grab
EPA 624.1
2.0
Less than
ug/L
1, 1, 1 -trichloroethane
34506
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,2-trichloroethane
34511
Grab
EPA 624.1
2.0
Less than
ug/L
Trichloroethylene
39180
Grab
EPA 624.1
2.0
Less than
ug/L
Vinyl Chloride
39175
Grab
EPA 624.1
5.0
Less than
ug/L
Acid -extractable compounds
P-chloro-m-creso
34452
Composite
EPA 625.1
5.0
Less than
ug/L
2-chlorophenol
34586
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dichlorophenol
34601
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dimethylphenol
34606
Composite
EPA 625.1
5.0
Less than
ug/L
4,6-dinitro-o-cresol
34657
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrophenol
34616
Composite
EPA 625.1
20.0
Less than
ug/L
2-nitrophenol
34591
Composite
EPA 625.1
5.0
Less than
ug/L
4-nitrophenol
34646
Composite
EPA 625.1
5.0
Less than
ug/L
Pentachlorophenol
39032
Composite
EPA 625.1
10.0
1 Less than
ug/L
Phenol
34694
Composite
EPA 625.1
5.0
1 Less than
ug/L
2,4,6-trichlorophenoi
34621
Composite
EPA 625.1
5.0
1 Less than
ug/L
Base -neutral compounds
Acenaphthene
34205
Composite
EPA 625.1
5.0
Less than
ug/L
Acenaphthylene
34200
Composite
EPA 625.1
5.0
Less than
ug/L
Anthracene
CO220
Composite
EPA 625.1
5.0
Less than
ug/L
Benzidine
39120
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(a)anthracene
34526
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(a)pyrene
34247
Composite
EPA 625.1
5.0
Less than
ug/L
3,4 benzofluoranthene
34230
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(ghi)perylene
34521
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(k)fluoranthene
34242
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroethoxy) methane
34278
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroethyl) ether
34273
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroisopropyl) ether
34283
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-ethylhexyl) phthalate
39100
Composite
EPA 625.1
5.0
Less than
ug/L
4-bromophenyl phenyl ether
34636
Composite
EPA 625.1
5.0
Less than
ug/L
Butyl benzyl phthalate
34292
Composite
EPA 625.1
5.0
Less than
ug/L
2-chloronaphthalene
34581
Composite
EPA 625.1
5.0
Less than
ug/L
4-chlorophenyl phenyl ether
34641
Composite
EPA 625.1
5.0
1 Less than
ug/L
Chrysene
34320
Composite
EPA 625.1
5.0
1 Less than
ug/L
Form - DMR- PPA-1 Page 2

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month August
Outfall 001 Year 2022
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Di-n-butyl phthalate
39110
Composite
EPA 625.1
5.0
Less than
ug/L
Di-n-octyl phthalate
34596
Composite
EPA 625.1
5.0
Less than
ug/L
Dibenzo(a,h)anthracene
34556
Composite
EPA 625.1
5.0
Less than
ug/L
1,2-dichlorobenzene
34536
Composite
EPA 625.1
5.0
Less than
ug/L
1,3-dichlorobenzene
34566
Composite
EPA 625.1
5.0
Less than
ug/L
1,4-dichlorobenzene
34571
Composite
EPA 625.1
5.0
Less than
ug/L
3,3-dichlorobenzidine
34631
Composite
EPA 625.1
5.0
Less than
ug/L
Diethyl phthalate
34336
Composite
EPA 625.1
5.0
9.9
ug/L
Dimethyl phthalate
34341
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrotoluene
34611
Composite
EPA 625.1
5.0
Less than
ug/L
2,6-dinitrotoluene
C0626
Composite
EPA 625.1
5.0
Less than
ug/L
1,2-diphenylhydrazine
34346
Composite
EPA 625.1
5.0
Less than
ug/L
Fluoranthene
C0376
Composite
EPA 625.1
5.0
Less than
ug/L
Fluorene
34381
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobenzene
C0700
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobutadiene
39702
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorocyclo-pentadiene
34386
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachloroethane
34396
Composite
EPA 625.1
5.0
Less than
ug/L
Indeno(1,2,3-cd)pyrene
34403
Composite
EPA 625.1
5.0
Less than
ug/L
Isophorone
34408
1 Composite
EPA 625.1
5.0
Less than
ug/L
Naphthalene
34696
Composite
EPA 625.1
5.0
Less than
ug/L
Nitrobenzene
34447
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodi-n-propylamine
34428
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodimethylamine
34438
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodiphenylamine
34433
Composite
EPA 625.1
5.0
Less than
ug/L
Phenanthrene
34461
Composite
EPA 625.1
5.0
Less than
ug/L
Pyrene
34469
Composite
EPA 625.1
5.0
1 Less than
ug/L
1,2,4,-trichlorobenzene
34551
Composite
EPA 625.1
1 5.0
1 Less than
ug/L
" 1 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 managed 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 fines and imprisonment for knowing violations."
Authorized Representative name
ign ure Rhonda L Hutson
Date
Form - DMR- PPA-1 Page 3

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month November
Outfall 001 Year 2023
Facility Name Mallard Creek WWTP ORC Mr. Henry Eudy
Date of EFFLUENT Sampling: 11 / 15/23: Low Level Mercury on 11/ 14/23 Phone [phone]
Analytical Laboratory: CHARLOTTE WATER Environ.Lab-NC 192, Waypoint Lab-Tn. NC 415, and Waypoint,Greenville,NC-NC 10
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Ammonia (as N)
C0610
Composite
SM 4500-NH3-H-11
0.10
Less than
mg/L
Chlorine (total residual, TRC)
50060
Grab
Hach 10014ULR
15
Less than
ug/L
Dissolved Oxygen
00300
Grab
ASTM D888-12C
1.0
8.8
mg/L
Nitrite plus Nitrate Total (as N)
00630
Composite
EPA 353.2-93
1.0
18
mg/L
Total Kjeldahl Nitrogen
00625
Composite
EPA 351.2-93
0.25
0.64
mg/L
Oil and Grease
00556
Grab
EPA 1664B
5.0
Less than
mg/L
Total Phosphorus
C0665
I Composite
SM 4500P-H-11
1 0.10
3.1
mg/L
Total Dissolved Solids
70295
Composite
ISM 254OC-15
1 25
1 350
mg/L
Hardness
00900
Composite
I EPA 200.7
1.0
130
mg/L
Metals (total recoverable), cyanide and total
phenols
Antimony
01097
Composite
EPA 200.7
5.0
Less than
ug/L
Arsenic
01002
Composite
EPA 200.7
5.0
Less than
ug/L
Beryllium
01012
Composite
EPA 200.8
2.0
Less than
ug/L
Cadmium
01027
Composite
EPA 200.7
0.50
Less than
ug/L
Chromium
01034
Composite
EPA 200.7
5.0
Less than
ug/L
Copper
01042
Composite
EPA 200.8
2.0
Less than
ug/L
Lead
01051
Composite
EPA 200.8
5.0
Less than
ug/L
Mercury (Method 1631E)
COMER
Grab
EPA 1631E
1.00
Less than
ng/L
Nickel
01067
Composite
EPA 200.7
2.0
Less than
ug/L
Selenium
01147
Composite
EPA 200.7
5.0
Less than
ug/L
Silver
01077
Composite
EPA 200.8
1.0
Less than
ug/L
Thallium
01059
Composite
EPA 200.8
1.0
Less than
ug/L
Zinc
01092
Composite
EPA 200.7
10
33
ug/L
Cyanide
00720
Grab
10-204-00-1-x
10
Less than
ug/L
Total phenolic compounds
32730
Grab
EPA 420.2
0.050
Less than
mg/L
Volatile organic compounds
Acrolein
34210
Grab
EPA 624.1
25
Less than
ug/L
Acrylonitrile
34215
Grab
EPA 624.1
2.0
Less than
ug/L
Benzene
34030
Grab
EPA 624.1
2.0
Less than
ug/L
Bromoform
32104
Grab
EPA 624.1
2.0
Less than
ug/L
Carbon Tetrachloride
32102
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorobenzene
34301
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorodibromomethane
34306
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroethane
85811
Grab
EPA 624.1
5.0
Less than
ug/L
2-chloroethyl vinyl ether
34576
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroform
32106
Grab
EPA 624.1
2.0
Less than
ug/L
Dichlorobromomethane
32101
Grab
EPA 624.1
2.0
Less than
ug/L
1,1-dichloroethane
34496
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloroethane
32103
Grab
EPA 624.1
2.0
Less than
ug/L
Trans-1,2-dichloroethylene
34546
Grab
EPA 624.1
2.0
Less than
ug/L
1,1-dichloroethylene
34501
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloropropane
34541
Grab
EPA 624.1
2.0
Less than
ug/L
1,3-dichloropropylene
77163
1 Grab
EPA 624.1
2.0
1 Less than
ug/L
Form - DMR- PPA-1 Page 1

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month November
Outfall 001 Year 2023
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
1, 1 -dichloroethylene
34501
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloropropane
34541
Grab
EPA 624.1
2.0
Less than
ug/L
1,3-dichloropropylene
77163
Grab
EPA 624.1
2.0
Less than
ug/L
Ethylbenzene
34371
Grab
EPA 624.1
2.0
Less than
ug/L
Methyl Bromide
34413
Grab
EPA 624.1
5.0
Less than
ug/L
Methyl Chloride
34418
Grab
EPA 624.1
5.0
Less than
ug/L
Methylene Chloride
34423
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,2,2-tetrachloroethane
81549
Grab
EPA 624.1
2.0
Less than
ug/L
Tetrachloroethylene
34475
Grab
EPA 624.1
2.0
Less than
ug/L
Toluene
34010
Grab
EPA 624.1
2.0
Less than
ug/L
1, 1, 1 -trichloroethane
34506
Grab
EPA 624.1
2.0
Lessthan
ug/L
1,1,2-trichloroethane
34511
Grab
EPA 624.1
2.0
Less than
ug/L
Trichloroethylene
39180
Grab
EPA 624.1
2.0
Less than
ug/L
Vinyl Chloride
39175
Grab
EPA 624.1
5.0
Less than
ug/L
Acid -extractable compounds
P-chloro-m-creso
34452
Composite
EPA 625.1
5.0
Less than
ug/L
2-chlorophenol
34586
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dichlorophenol
34601
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dimethylphenol
34606
Composite
EPA 625.1
5.0
Less than
ug/L
4,6-dinitro-o-cresol
34657
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrophenol
34616
Composite
EPA 625.1
20.0
Less than
ug/L
2-nitrophenol
34591
Composite
EPA 625.1
5.0
Less than
ug/L
4-nitrophenol
34646
Composite
EPA 625.1
5.0
Less than
ug/L
Pentachlorophenol
39032
Composite
EPA 625.1
10.0
1Less than
ug/L
Phenol
34694
Composite
EPA 625.1
5.0
1 Less than
ug/L
2,4,6-trichlorophenol
34621
Composite
EPA 625.1
5.0
1 Less than
ug/L
Base -neutral compounds
Acenaphthene
34205
Composite
EPA 625.1
5.0
Less than
ug/L
Acenaphthylene
34200
Composite
EPA 625.1
5.0
Less than
ug/L
Anthracene
CO220
Composite
EPA 625.1
5.0
Less than
ug/L
Benzidine
39120
Composite
EPA 625.1
15.0
Less than
ug/L
Benzo(a)anthracene
34526
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(a)pyrene
34247
Composite
EPA 625.1
5.0
Less than
ug/L
3,4 benzofluoranthene
34230
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(ghi)perylene
34521
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(k)fluoranthene
34242
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroethoxy) methane
34278
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroethyl) ether
34273
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroisopropyl) ether
34283
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-ethylhexyl) phthalate
39100
Composite
EPA 625.1
5.0
Less than
ug/L
4-bromophenyl phenyl ether
34636
Composite
EPA 625.1
5.0
Less than
ug/L
Butyl benzyl phthalate
34292
Composite
EPA 625.1
5.0
Less than
ug/L
2-chloronaphthalene
34581
Composite
EPA 625.1
5.0
1 Less than
ug/L
4-chlorophenyl phenyl ether
34641
Composite
EPA 625.1
5.0
Less than
ug/L
Chrysene
34320
1 Composite
I EPA 625.1
5.0
1 Less than
ug/L
Form - DMR- PPA-1 Page 2

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NC0030210 Month November
Outfall 001 Year 2023
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Di-n-butyl phthalate
39110
Composite
EPA 625.1
5.0
Less than
ug/L
Di-n-octyl phthalate
34596
Composite
EPA 625.1
5.0
Less than
ug/L
Dibenzo(a,h)anthracene
34556
Composite
EPA 625.1
5.0
Less than
ug/L
1,2-dichlorobenzene
34536
Composite
EPA 625.1
5.0
Less than
ug/L
1,3-dichlorobenzene
34566
Composite
EPA 625.1
5.0
Less than
ug/L
1,4-dichlorobenzene
34571
Composite
EPA 625.1
5.0
Less than
ug/L
3,3-dichlorobenzidine
34631
Composite
EPA 625.1
5.0
Less than
ug/L
Diethyl phthalate
34336
Composite
EPA 625.1
5.0
Less than
ug/L
Dimethyl phthalate
34341
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrotoluene
34611
Composite
EPA 625.1
5.0
Less than
ug/L
2,6-dinitrotoluene
CO626
Composite
EPA 625.1
5.0
Less than
ug/L
1,2-diphenylhydrazine
34346
Composite
EPA 625.1
5.0
Less than
ug/L
Fluoranthene
CO376
Composite
EPA 625.1
5.0
Less than
ug/L
Fluorene
34381
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobenzene
CO700
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobutadiene
39702
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorocyclo-pentadiene
34386
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachloroethane
34396
Composite
EPA 625.1
5.0
Less than
ug/L
Indeno(1,2,3-cd)pyrene
34403
Composite
EPA 625.1
5.0
Less than
ug/L
Isophorone
34408
Composite
EPA 625.1
5.0
Less than
ug/L
Naphthalene
34696
Composite
EPA 625.1
5.0
Less than
ug/L
Nitrobenzene
34447
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodi-n-propylamine
34428
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodimethylamine
34438
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodiphenylamine
34433
Composite
EPA 625.1
5.0
Less than
ug/L
Phenanthrene
34461
Composite
EPA 625.1
5.0
Less than
ug/L
Pyrene
34469
1 Composite
EPA 625.1
5.0
1 Less than
ug/L
1,2,4,-trichlorobenzene
34551
1 Composite
EPA 625.1
5.0
1 Less than
ug/L
"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 managed 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 fines and imprisonment for knowing violations."
Authorized Representative name
Signat re Rhonda L Hutson
Date
Form - DMR- PPA-1 Page 3

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month February
Outfall 001 Year 2024
Facility Name Mallard Creek WWTP ORC Mr. Henry Eudy
Date of EFFLUENT Sampling: 2/ 14/2024, Low Level Mercury on 2/ 13/2024 Phone [phone]
Analytical Laboratory: CHARLOTTE WATER Environ.Lab-NC 192, Wayaoint Lab (MTN1Tn. NC 415,
and Waygoint (GNC) Greenville,NC-NC 10
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Ammonia (as N)
C0610
Composite
SM 4500-NH3-H-11
0.10
Less than
mg/L
Chlorine (total residual, TRC)
50060
Grab
Hach 10014ULR
15
Less than
ug/L
Dissolved Oxygen
00300
Grab
ASTM D888-12C
1.0
9.3
mg/L
Nitrite plus Nitrate Total (as N)
00630
Composite
EPA 353.2-93
1.0
16
mg/L
Total Kjeldahl Nitrogen
00625
Composite
EPA 351.2-93
0.25
1.4
mg/L
Oil and Grease
00556
Grab
EPA 1664B
5.9
Less than
mg/L
Total Phosphorus
C0665
Composite
SM 4500P-H-11
0.10
1 2.9
mg/L
Total Dissolved Solids
70295
Composite
ISM 254OC-15
25
1 300
mg/L
Hardness
00900
Composite
I EPA 200.7
1.0
1 140
mg/L
Metals (total recoverable), cyanide
and total phenols
Antimony
01097
Composite
EPA 200.7
5.0
Less than
ug/L
Arsenic
01002
Composite
EPA 200.7
5.0
Less than
ug/L
Beryllium
01012
Composite
EPA 200.7
2.0
Less than
ug/L
Cadmium
01027
Composite
EPA 200.8
0.50
Less than
ug/L
Chromium
01034
Composite
EPA 200.7
5.0
Less than
ug/L
Copper
01042
Composite
EPA 200.8
2.0
Less than
ug/L
Lead
01051
Composite
EPA 200.7
5.0
Less than
ug/L
Mercury (Method 1631E)
COMER
Grab
EPA 1631E
1.00
Less than
ng/L
Nickel
01067
Composite
EPA 200.8
2.0
Less than
ug/L
Selenium
01147
Composite
EPA 200.7
5.0
Less than
ug/L
Silver
01077
Composite
EPA 200.8
1.0
Less than
ug/L
Thallium
01059
Composite
EPA 200.8
1.0
Less than
ug/L
Zinc
01092
Composite
EPA 200.7
10
33
ug/L
Cyanide
00720
Grab
10-204-00-1-X
10
Less than
lug/L
Total phenolic compounds
32730
Grab
EPA 420.2
0.050
0.139
mg/L
Volatile organic compounds
Acrolein
34210
Grab
EPA 624.1
25
Less than
ug/L
Acrylonitrile
34215
Grab
EPA 624.1
2.0
Less than
ug/L
Benzene
34030
Grab
EPA 624.1
2.0
Less than
ug/L
Bromoform
32104
Grab
EPA 624.1
2.0
Less than
ug/L
Carbon Tetrachloride
32102
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorobenzene
34301
Grab
EPA 624.1
2.0
Less than
ug/L
Chlorodibromomethane
34306
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroethane
85811
Grab
EPA 624.1
5.0
Less than
ug/L
2-chloroethyl vinyl ether
34576
Grab
EPA 624.1
2.0
Less than
ug/L
Chloroform
32106
Grab
EPA 624.1
2.0
Less than
ug/L
Dichlorobromomethane
32101
Grab
EPA 624.1
2.0
Less than
ug/L
1,1-dichloroethane
34496
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloroethane
32103
Grab
EPA 624.1
2.0
Less than
ug/L
Trans-1,2-dichloroethylene
34546
Grab
EPA 624.1
2.0
Less than
ug/L
Form - DMR- PPA-1 ` Page 1

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month February
Outfall 001 Year 2024
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
1, 1 -dichloroethylene
34501
Grab
EPA 624.1
2.0
Less than
ug/L
1,2-dichloropropane
34541
Grab
EPA 624.1
2.0
Less than
ug/L
1,3-dichloropropylene
77163
Grab
EPA 624.1
2.0
Less than
ug/L
Ethylbenzene
34371
Grab
EPA 624.1
2.0
Less than
ug/L
Methyl Bromide
34413
Grab
EPA 624.1
5.0
Less than
ug/L
Methyl Chloride
34418
Grab
EPA 624.1
5.0
Less than
ug/L
Methylene Chloride
34423
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,2,2-tetrachloroethane
81549
Grab
EPA 624.1
2.0
Less than
ug/L
Tetrachloroethylene
34475
Grab
EPA 624.1
2.0
Less than
ug/L
Toluene
34010
Grab
EPA 624.1
2.0
Less than
ug/L
1, 1, 1 -trichloroethane
34506
Grab
EPA 624.1
2.0
Less than
ug/L
1,1,2-trichloroethane
34511
Grab
EPA 624.1
2.0
Less than
ug/L
Trichloroethylene
39180
Grab
EPA 624.1
2.0
Less than
ug/L
Vinyl Chloride
39175
Grab
EPA 624.1
5.0
Less than
ug/L
Acid -extractable compounds
P-chloro-m-creso
34452
Composite
EPA 625.1
5.0
Less than
ug/L
2-chlorophenol
34586
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dichlorophenol
34601
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dimethylphenol
34606
Composite
EPA 625.1
5.0
Less than
ug/L
4,6-dinitro-o-cresol
34657
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrophenol
34616
Composite
EPA 625.1
20.0
Less than
ug/L
2-nitrophenol
34591
Composite
EPA 625.1
5.0
Less than
ug/L
4-nitrophenol
34646
Composite
EPA 625.1
5.0
Less than
ug/L
Pentachlorophenol
39032
Composite
EPA 625.1
10.0
1 Less than
ug/L
Phenol
34694
Composite
EPA 625.1
5.0
1 Less than
ug/L
2,4,6-trichlorophenol
34621
Composite
EPA 625.1
5.0
1 Less than
ug/L
Base -neutral compounds
Acenaphthene
34205
Composite
EPA 625.1
5.0
Less than
ug/L
Acenaphthylene
34200
Composite
EPA 625.1
5.0
Less than
ug/L
Anthracene
CO220
Composite
EPA 625.1
5.0
Less than
ug/L
Benzidine
39120
Composite
EPA 625.1
15.0
Less than
ug/L
Benzo(a)anthracene
34526
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(a)pyrene
34247
Composite
EPA 625.1
5.0
Less than
ug/L
3,4 benzofluoranthene
34230
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(ghi)perylene
34521
Composite
EPA 625.1
5.0
Less than
ug/L
Benzo(k)fluoranthene
34242
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroethoxy) methane
34278
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroethyl) ether
34273
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-chloroisopropyl) ether
34283
Composite
EPA 625.1
5.0
Less than
ug/L
Bis (2-ethylhexyl) phthalate
39100
Composite
EPA 625.1
5.0
Less than
ug/L
4-bromophenyl phenyl ether
34636
Composite
EPA 625.1
5.0
Less than
ug/L
Butyl benzyl phthalate
34292
Composite
EPA 625.1
5.0
Less than
ug/L
2-chloronaphthalene
34581
Composite
EPA 625.1
5.0
Less than
ug/L
4-chlorophenyl phenyl ether
34641
1 Composite
EPA 625.1
5.0
1 Less than
ug/L
Chrysene
34320
1 Composite
I EPA 625.1
1 5.0
1 Less than
ug/L
Form - DMR- PPA-1 Page 2

EFFLUENT Annual Monitoring and Pollutant Scan
Permit No. NCO030210 Month February
Outfall 001 Year 2024
Parameter
Parameter
Code
Sample
Type
Analytical
Method
Quantitation
Level
Sample
Result
Units of
Measurement
Di-n-butyl phthalate
39110
Composite
EPA 625.1
5.0
Less than
ug/L
Di-n-octyl phthalate
34596
Composite
EPA 625.1
5.0
Less than
ug/L
Dibenzo(a,h)anthracene
34556
Composite
EPA 625.1
5.0
Less than
ug/L
1,2-dichlorobenzene
34536
Composite
EPA 625.1
5.0
Less than
ug/L
1,3-dichlorobenzene
34566
Composite
EPA 625.1
5.0
Less than
ug/L
1,4-dichlorobenzene
34571
Composite
EPA 625.1
5.0
Less than
ug/L
3,3-dichlorobenzidine
34631
Composite
EPA 625.1
5.0
Less than
ug/L
Diethyl phthalate
34336
Composite
EPA 625.1
5.0
Less than
ug/L
Dimethyl phthalate
34341
Composite
EPA 625.1
5.0
Less than
ug/L
2,4-dinitrotoluene
34611
Composite
EPA 625.1
5.0
Less than
ug/L
2,6-dinitrotoluene
C0626
Composite
EPA 625.1
5.0
Less than
ug/L
1,2-diphenylhydrazine
34346
Composite
EPA 625.1
5.0
Less than
ug/L
Fluoranthene
C0376
Composite
EPA 625.1
5.0
Less than
ug/L
Fluorene
34381
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobenzene
C0700
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorobutadiene
39702
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachlorocyclo-pentadiene
34386
Composite
EPA 625.1
5.0
Less than
ug/L
Hexachloroethane
34396
Composite
EPA 625.1
5.0
Less than
ug/L
Indeno(1,2,3-cd)pyrene
34403
Composite
EPA 625.1
5.0
Less than
ug/L
Isophorone
34408
Composite
EPA 625.1
5.0
Less than
ug/L
Naphthalene
34696
Composite
EPA 625.1
5.0
Less than
ug/L
Nitrobenzene
34447
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodi-n-propylamine
34428
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodimethylamine
34438
Composite
EPA 625.1
5.0
Less than
ug/L
N-nitrosodiphenylamine
34433
Composite
EPA 625.1
5.0
Less than
ug/L
Phenanthrene
34461
Composite
EPA 625.1
5.0
Less than
ug/L
Pyrene
34469
Composite
EPA 625.1
5.0
1 Less than
ug/L
1,2,4,-trichlorobenzene
34551
Composite
EPA 625.1
5.0
1 Less than
ug/L
"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 managed 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 fines and imprisonment for knowing violations."
Authorized Representative name
Sijn-attWe Ronda L Hutson
Date
Form - DMR- PPA-1 Page 3

Attachment #10

Data Summary for Reduced NPDES Permit Monitoring Feguency
Data Results and Approval Criteria for Mallard Creek WRF
Data Set Start Date: April 01, 2021
Data Set End Date: March 31, 2024
Parameters Monthly Limits
Weekly # of Samples 3-Year Results
Limits Average
CBOD
Winter 8.30 12.5
Summer 4.20 6.3
198 2.20
283 -1.42
50% of # of Results >200% # of Results >200%
Monthly monthly average Weekly average Max Daily Result
Limit (CBOD, TSS, NH#) (Fecal Coliform)
4.2 5.$
2.1 7.1
NH3
Winter 2.00 6.0 201 0.18 J&1.0
Summer 1.00 3.0 283 0.09 0.5
TSS 30 45 484 1.87 15.0 1
Fecal Coliform 200400 r 737
Approval Criteria Met:
2.78 100.0 —�
1) This facility has not received a civil penalty for a permit violation of the target parameters in the last three years
2) Neither the permitee nor any of its employees have been convicted of criminal violation of the CWA with the previous five years
3) This facility is not under an SOC for target parameter effluent limit noncompliance
4) This facility is not on EPA's Quarterly Noncompliance Report for target parameter limit violations
5) This facility's three year arithmetic mean is less than fifty percent of the monthly average permit limit for CBOD, TSS, and NH3-N
6) This facility's three year geomean is less than fifty percent of the monthly average permit limit for fecal coliform
7) Less than 15 daily sampling results over the three year review period are in excess of 200% of the monthly average for CBOD, TSS, and NH3
8) Less than 20 daily sampling results over the three year review period are in excess of the 200% of the weekly average for fecal coliform
9) This facility has not received any non -monthly average limit violations in the past year for the four target parameters

Mallard Creek Reduced Monitoring Data
Report Start Date: 4/1/2021 Summer 4/1-10/31
Report End Date: 3/31/2024 Winter 1/1 - 3/31 1 11/1
Flags >200%
Flags >200%
Flags >200°�
Flags >200%
Monthly Limit for
Monthly Limit for
Monthly Limit
Weekly Limit
Winter Months
Winter Months
2060
2060
2010
2010
2246
2110
M-EFF CBOD
M-EFF CBOD
M-EFF
M-EFF
M-EFF TSS
M-EFF Fecal
Ammonia
Ammonia
Coliform
mg/L
mg/L
mg/L
mg/L
mg/L
cfu/100m1
AVG
1.74
1.74
0.13
0.13
1.1
MAX
7.10
7.10
3.10
3.10
13.10
230.00
MIN
<2.00
<2.00
<0.10
<0.10
<2.50
<1.00
COUNT
481
481
484
484
484
737
Violations
0
0
0
0
Date
2060
2060
2010
2010
2245
2110
M-EFF CBOD
M-EFF CBOD
M-EFF
Ammonia
M-EFF
Ammonia
mg/L
M-EFF TSS
mg/L
M-EFF Fecal
Coliform
cfu/100ml
mg/L
mg/L
mg/L
4/1/2021
3.6
3.6
0.2
0.2
5.9
0.0
4/2/2021
4/3/2021
0.0
4/4/2021
i
4/5/2021
3.2
0.0
5.8
2.0
4/6/2021
1.0
4/7/2021
3.1
0.0
0.0
4.9
1.0
4/8/2021
=2.7
3.0
4/9/2021
2.7
0.0
0.0
0.0
0.0
4/1 on021
4/11/2021
4/12/2021
2.8
2.8
0.7
0.7
3.5
0.0
4/13/2021
0.0
4/14/2021
3.0
3.0
0.0
0.0
0.0
0.0
4/15/2021
1.0
4/16/2021
3.1
3.1
0.0
0.0
0.0
1.0
4/17/2021
411812021
4/19/2021
2.9
2.9
0.0
0.0
0.0
0.0
4/20/2021
1.0
geometric Mean

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3/30/2024
3/312024

Attachment #11

Ten,,-,-T-t.,-rE-
P.O, Box 1E-414, Greenvlle, SC 29W6
(E64)
877-6942 . FAX (864) 8'7.6938
4 Craftsman Court, Graer, SC 29650
Fathead Minnow Survival and Growth Test
EPA-821-R-02-013 Method 1000
Client: CHARLOTTE WATER
Facility: Mallard Creek
NPDES #: NCO030210
Test Date: 11-Aug-20
Laboratory Sample ID #: T57155 P PROMELAS
Test Reviewed and Approved By:
Robert W. Kelley, Ph.D.
QA/QC Officer
Certification #E87819
Test results presented in this report conform to all requirements of
NELAC, conducted under NELAC Certification Number E87819
Florida Dept. of Health. Included results pertain only to provided samples.
Farhad Rostatnpour
Laboratory Director
SCDHEC Certification #23104
NCDENR Certification # 022
Page 1 of 6

�entiirnnmenta .Inc.
P.O. Box 1 C414. Greenv Ile, SC 29606
[phone] . FAX [phone]
4 Craftsman Court, Greer, SC 29650
Fathead Minnow Survival and Growth Test
EPA-821-R-02-013 Method 1000
Client: CHARLOTTE WATER
Facility: Mallard Creek
NPDES #: NCO030210
Test Date: 02-Nov-21
Laboratory Sample ID #: T60523 P PROMELAS
Test Reviewed and Approved By:
4�
Robert W. Kelley, Ph.D.
President
Certification #E87819
Test results presented in this report conform to all requirements of
NELAC, conducted under NELAC Certification Number E87819
Florida Dept. of Health. Included results pertain only to provided samples.
O"vt.:A --p. el",'
Patrick D. Timms
QA/QC Officer
SCDHEC Certification #23104
NCDENR Certification # 022
Page 1 of 6

;....t� , Inc.
P.O. Box 1E414, Greenv He. SC 29b06
(E64) B77-6942 . FAX [phone]
4 Craftsman Court, Graer, SC 29650
Fathead Minnow Survival and Growth Test
EPA-821-R-02-013 Method 1000
Client: CHARLOTTE WATER
Facility: Mallard Creek
NPDES #: NCO030210
Test Date: 15-Feb-22
Laboratory Sample ID #: T61314 P PROMELAS
Test Reviewed and Approved By:
Robert W. Kelley, Ph.D.
President
Certification #E87819
Test results presented in this report conform to all requirements of
NELAC, conducted under NELAC Certification Number E87819
Florida Dept. of Health. Included results pertain only to provided samples.
Patrick D. Timms
QA/QC Officer
SCDHEC Certification #23104
NCDENR Certification # 022
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Eer vlronrn nta.Inc. [phone] . FAX [phone]
P.O. Box 16414. Greenville- SC 29606 4 Craftsman Court, Greer, SC 29666
Fathead Minnow Survival and Growth Test
EPA-821-R-02-013 Method 1000
Client: CHARLOTTE WATER
Facility: Mallard Creek
NPDES #: NCO030210
Test Date: 02-May-23
Laboratory Sample ID #: T64738 P PROMELAS
Test Reviewed and Approved By:
Robert W. Kelley, Ph.D. Patrick TImms
Lab Manager QA/QC Officer
Certification #E87819 SCDHEC Certification #23104
Test results presented in this report conform to all requirements of
NELAC, conducted under NELAC Cenification Number E87819
Florida Dept. of Health. Included results pertain only to provided samples. NCDENR Certification N 022
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