NC0024970_Renewal (Application)_20210104

c :r_A) 3 n
ROY COOPER E
Governor _ y
MICHAEL S.REGAN47
^+ .
Secretary •4 °i""vR*
�.arx
S.DANIEL SMITH NORTH CAROLINA
Director Environmental Quality
January 05, 2021
Charlotte Water
Attn: Jacqueline A. Jarrell, P.E.
5100 Brookshire Blvd
Charlotte, NC 28216-3371
Subject: Permit Renewal
Application No. NC0024970
McAlpine Creek WWTP
Mecklenburg County
Dear Applicant:
The Water Quality Permitting Section acknowledges the January 4, 2020 receipt of your permit renewal application and
supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW permitting
branch. Per G.S. 150B-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit. The
permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a
timely manner to requests for additional information necessary to allow a complete review of the application and renewal
of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://deq.nc.gov/permits-regulations/permit-guidance/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sincer�ellyy,
"lc
Wren Theo •rd
Administrative Assistant
Water Quality Permitting Section
cc: Central Files w/application
ec: WQPS Laserfiche File w/application
E , North Carolina Department of Environments!Quauity I Dlvson of Water Resources
nr..,.u.x y la
Moo resvii a Regona'Off ce 1810 Eat Center Avenue,5u to 301 I Mooresv e.North Caro na 28115
a:....•L.......+.•a 704-663-1899

McAlpine Creek WWMF
NPDES Permit NC0024970
RECEIVED
JAN oa ioii
NCOEO/pWq/NPDES
Permit Renewal Application
2020

CHARLOTTE
WTER
December 11, 2020
ATTN: Mr. Michael Montebello Division of Water Resources RECEIVED
Water Quality Permitting Section
Municipal NPDES Permitting Unit JAN 0 4 2021
1617 Mail Service Center
Raleigh, NC 27699-1617 NCDEQ/DWJNPDES
Re: Permit Renewal Application - McAlpine Creek WWMF
NPDES Permit#NC0024970; Charlotte Water
Mr. Montebello:
Please find the enclosed NPDES permit renewal application for McAlpine Creek WWMF. The application
includes Attachments #1-6. The following is a summary of the attachments submitted with this
application:
1. Attachment#1 is a description of McAlpine's treatment process.
2. Attachment#2 includes the contact information and responsibilities for contractors working
at McAlpine WWMF as required in Section 1.25.
3. Attachment#3 addresses Section 2.2. and explains the ongoing work that CLTWater does to
minimize inflow and infiltration.
4. Attachment#4 includes the map required in Section 2.3.
5. Attachment#5 includes the plant flow schematic required in Section 2.4.
6. Attachment#6 includes a summary of scheduled improvements and the implementation
schedule as required in Sections 2.5 and 2.6.
The data summaries reported in this application include all effluent testing results at McAlpine Creek
WWMF from January 1, 2019 through September 30, 2020. 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.
Please let us know if you have any questions or if you need any further information. If you do, please
contact Shannon Sypolt, Water Quality Program Administrator, at 704/634-6984. You may also call me
at 704/634-5430. Thank you for your assistance with this renewal.
Respectfully,
Nlie.J rel F:45--(--- ----(2-i
uty Director II, Charlotte Water
Cc: S.K. Neely,J. Lockler
Charlotte Water 5100 Brookshire Blvd,Charlotte, NC 28216 charlottewater.org
t Operated by the City of Charlotte

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF OMB No.2040-0004
Form U.S. Environmental Protection Agency
2A "EPA Application for NPDES Permit to Discharge Wastewater
NPDES NEW AND EXISTING PUBLICLY OWNED TREATMENT WORKS
SECTION 1.BASIC APPLICATION INFORMATION FOR ALL APPLICANTS(40 CFR 122.21(j)(1)and(9))
1.1 Facility name
McAlpine Creek WWMF
Mailing address(street or P.O.box)
12701 Lancaster Highway
City or town State ZIP code
o Pineville NC 28134
EContact name(first and last) Title Phone number Email address
8 Sandy Kim Neely Operations Manager [phone] [e-mail]
c
Location address(street,route number,or other specific identifier) ❑ Same as mailing address
m 12701 Lancaster Highway
U-
City or town State ZIP code
Pineville NC 28134
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 4 SKIP to Item 1.4.
Applicant name
Charlotte Water
Applicant address(street or P.O.box)
m
5100 Brookshire BLVD.
E 0 City or town State ZIP code
c Charlotte NC 28216
Contact name(first and last) Title Phone number Email address
a Jacqueline A.Jarrell,PE Deputy Director II [phone] [e-mail]
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.)
ID 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
w number for each.)
E
�, Existing Environmental Permits
a.
✓❑To
(discharges to surface 0RCRA(hazardous waste) ❑ UIC(underground injection
c water) control)
E NC0024970 NCD00821918
c
o ❑ PSD(air emissions) ❑ Nonattainment program(CAA) 0 NESHAPs(CAA)
w
m
❑ Ocean dumping(MPRSA) ❑ Dredge or fill(CWA Section ❑ Other(specify)
w 404)
Stormwater NCG110000;Re
—
EPA Form 3510-2A(Revised 3-19) Page 1
i

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF OMB No.2040-0004
1.7 Provide the collection system information requested below for the treatment works.
Municipality Population Collection System Type Ownership Status
Served Served (indicate percentage)
100 %separate sanitary sewer 0 Own I] Maintain
ZCharlotte,NC %combined storm and sanitary sewer 0 Own 0 Maintain
0 Unknown 0 Own 0 Maintain
c %separate sanitary sewer 0 Own 0 Maintain
%combined storm and sanitary sewer 0 Own 0 Maintain
3 ❑ Unknown 0 Own 0 Maintain
0-
O %separate sanitary sewer ❑ Own ❑ Maintain
a
%combined storm and sanitary sewer 0 Own 0 Maintain
10 0 Unknown 0 Own 0 Maintain
E %separate sanitary sewer 0 Own 0 Maintain
cn %combined storm and sanitary sewer 0 Own ❑ Maintain
_ 0 Unknown 0 Own 0 Maintain
'z Total
O Population 574,091
o Served
Separate Sanitary Sewer System Combined Storm and
Sanitary Sewer
Total percentage of each type of °
sewer line(in miles) 100 "0 %
1.8 Is the treatment works located in Indian Country?
c
o ❑ Yes ❑✓ No
ci
• 1.9 Does the facility discharge to a receiving water that flows through Indian Country?
c c El Yes ❑✓ No
1.10 Provide design and actual flow rates in the designated spaces. Design Flow Rate
64.0 mgd
To
Annual Average Flow Rates(Actual)
Two Years Ago Last Year This Year
co
c a 44.9 mgd 47.9 mgd 49.25 mgd
0 L.L.
Maximum Daily Flow Rates(Actual)
o Two Years Ago Last Year This Year
69.9 mgd 104.9 mgd 89.6 mgd
. 1.11 Provide the total number of effluent discharge points to waters of the United States by type.
Total Number of Effluent Discharge Points by Type
°�- n- Constructed 1
Combined Sewer
2'
s a Treated Effluent Untreated Effluent Overflows Bypasses Emergency
CO Overflows
N_
0 1
EPA Form 3510-2A(Revised 3-19) Page 2

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF 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 Impoundment Location and Discharge Data
Average Daily Volume Continuous or Intermittent
Location Discharged to Surface
Impoundment (check one)
❑ Continuous
gpd 0 Intermittent
0 Continuous
gpd 0 Intermittent
❑ Continuous
gpd ❑ Intermittent
a
s 1.14 Is wastewater applied to land?
2 El Yes ❑✓ No 4 SKIP to Item 1.16.
o1.15 Provide the land application site and discharge data requested below,
Land Application Site and Discharge Data
o Continuous or
Location Size Average Daily Volume Intermittent
r2 Applied (check one)
acres gpd 0 Continuous
a 0 Intermittent
s acres d ❑ Continuous
9P 0 Intermittent
= acresgpd 0 Continuous
❑ Intermittent
-0 1.16 Is effluent transported to another facility for treatment prior to discharge?
❑ Yes ❑ No 4 SKIP to Item 1.21.
1.17 Describe the means by which the effluent is transported(e.g.,tank truck, pipe).
1.18 Is the effluent transported by a party other than the applicant?
❑ Yes ❑ No 4 SKIP to Item 1.20.
1.19 Provide information on the transporter below.
Transporter Data
Entity name Mailing address(street or P.O.box)
City or town State ZIP code
Contact name(first and last) Title
Phone number Email address
EPA Form 3510-2A(Revised 3-19) Page 3

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
OMB No.2040-0004
110006623449 NC0024970 McAlpine Creek WWMF
1.20 In the table below, indicate the name, address,contact information, NPDES number, and average daily flow rate of the
receiving facility.
Receiving Facility Data
Facility name Mailing address(street or P.O.box)
City or town State ZIP code
0
Contact name(first and last) Title
0
Phone number Email address
o0 NPDES number of receiving facility(if any) CI None
Average daily flow rate mgd
0 1.21 Is the wastewater disposed of in a manner other than those already mentioned in Items 1.14 through 1.21 that do not
have outlets to waters of the United States(e.g.,underground percolation,underground injection)?
t ❑ 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 Disposal Methods
o Disposal Location of Size of Annual Average Continuous or Intermittent
Method pis osal Site Dis osal Site Daily Discharge
Description p p Volume (check one)
0 Continuous
acres gpd ❑ Intermittent
0 Continuous
acres gpd ❑ Intermittent
acresgpd ❑ 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.
as Consult with your NPDES permitting authority to determine what information needs to be submitted and when.)
c0., ❑ 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?
El Yes ❑ No 4SKIP 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
Contractor name
o Please see Attachment#2 Please see Attachment#2 Please see Attachment#2
(company name)
Mailing address
(street or P.O. box)
City, state,and ZIP
code
Contact name(first and
c0 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
110006623449 NC0024970 McAlpine Creek WWMF OMB No.2040-0004
SECTION 2.ADDITIONAL INFORMATION (40 CFR 122.21(j)(1)and (2))
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 4 SKIP to Section 3.
= 2.2 Provide the treatment works'current average daily volume of inflow Average Daily Volume of Inflow and Infiltration
;) and infiltration.
gpd
Indicate the steps the facility is taking to minimize inflow and infiltration.
-o
Please see the information provided in Attachment#3.
0
0
_
2.3 Have you attached a topographic map to this application that contains all the required information?(See instructions for
a specific requirements.)
29
o �
o ❑✓ Yes ❑ No
E 2.4 Have you attached a process flow diagram or schematic to this application that contains all the required information?
o a,
(See instructions for specific requirements.)
II 03
❑✓ 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
is 1. Please see the information provided in Attachment#6.
m
E
a�
5- 2.
E
0
3.
CD
a)
U
4.
R 2.6 Provide scheduled or actual dates of completion for improvements.
Scheduled or Actual Dates of Completion for Improvements
a' Affected Attainment of
Scheduled Begin End Begin
Outfalls Operational
Improvement Construction Construction Discharge
(from above) (list outtall (MM/DD/YYYY) (MM/DD/YYYY) (MM/DD/YYYY) Level
number) (MM/DD/YYYY)
-5 1.
2
cn
3.
4.
2.7 Have appropriate permits/clearances concerning other federal/state requirements been obtained?Briefly explain your
response.
✓❑ Yes ❑ No El 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
110006623449 NC0024970 McAlpine Creek WWMF OMB No 2040-0004
SECTION 3.INFORMATION ON EFFLUENT DISCHARGES(40 CFR 122.21(j)(3)to(5))
3.1 Provide the following information for each outfall.(Attach additional sheets if you have more than three outfalls.)
Outfall Number 001 Outfall Number Outfall Number
State North Carolina
County Mecklenburg
0 City or town Pineville
g Distance from shore o ft. ft. ft.
Depth below surface 0 ft. ft. ft.
Average daily flow rate 49.25 mgd mgd mgd
Latitude 35° 35' 70" N
Longitude 80° 52' 21" W
3.2 Do any of the outfalls described under Item 3.1 have seasonal or periodic discharges?
❑ Yes ❑✓ No 4 SKIP to Item 3.4.
3.3 If so, provide the following information for each applicable outfall.
cn Outfall Number Outfall Number Outfall Number
o _
Number of times per year
g discharge occurs
a Average duration of each
o discharge(specify units)
Average flow of each
0 discharge mgd mgd mgd
C
cn Months in which discharge
occurs
3.4 Are any of the outfalls listed under Item 3.1 equipped with a diffuser?
❑ Yes ❑✓ No 4 SKIP to Item 3.6.
3.5 Briefly describe the diffuser type at each applicable outfall.
a
Outfall Number Outfall Number Outfall Number
Its
(15 3.6 Does the treatment works discharge or plan to discharge wastewater to waters of the United States from one or more
discharge points?
y ❑✓ 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
110006623449 NC0024970 McAlpine Creek WWMF 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 McAlpine Creek
Name of watershed,river,
0 or stream system Sugar Creek
Q- U.S.Soil Conservation
N Service 14-digit watershed
a code
Name of state
management/river basin Catawba
c U.S. Geological Survey
co 8-digit hydrologic 03050103
cc cataloging unit code
Critical low flow(acute) 2 cfs cfs cfs
Critical low flow(chronic) 13.5 cfs cfs cfs
Total hardness at critical mg/L of mg/L of mg/L of
low flow unknown CaCO3 CaCO3 CaCO3
3.8 Provide the following information describing the treatment provided for discharges from each outfall.
Outfall Number 001 Outfall Number Outfall Number
Highest Level of 0 Primary 0 Primary 0 Primary
Treatment(check all that 0 Equivalent to 0 Equivalent to 0 Equivalent to
apply per outfall) secondary secondary secondary
❑ Secondary 0 Secondary 0 Secondary
❑ Advanced 0 Advanced 0 Advanced
❑ Other(specify) 0 Other(specify) 0 Other(specify)
c
0
"a Design Removal Rates by
.� Outfall
u)
N
ci
BODS or CBODS 99.7
d
E
af2i TSS 97.8
I—
❑ Not applicable 0 Not applicable 0 Not applicable
Phosphorus 91.5 %
0 Not applicable 0 Not applicable 0 Not applicable
Nitrogen
Other(specify) 0 Not applicable 0 Not applicable 0 Not applicable
Ammonia 98.5 %
EPA Form 3510-2A(Revised 3-19) Page 7

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF 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.
d
0
U
= Outfall Number 001 Outfall Number Outfall Number
0
a Disinfection type
Chlorine
a)
m
Seasons used
All
Dechlorination used? El Not applicable El Not applicable El Not applicable
❑✓ Yes ❑ Yes El Yes
El No El No ❑ No
3.10 Have you completed monitoring for all Table A parameters and attached the results to the application package?
✓❑ Yes El 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 El 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 12
Number of tests of receiving 0 0
water
3.13 Does the treatment works have a design flow greater than or equal to 0.1 mgd?
❑✓ Yes El No 4 SKIP to Item 3.16.
3.14 Does the POTW use chlorine for disinfection,use chlorine elsewhere in the treatment process,or otherwise have
reasonable potential to discharge chlorine in its effluent?
✓❑ Yes 4 Complete Table B,including chlorine. El No 4 Complete Table B,omitting chlorine.
= 3.15 Have you completed monitoring for all applicable Table B pollutants and attached the results to this application
package?
❑✓ Yes ❑ No
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 Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF 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?
❑✓ Yes ❑ No 4 Complete tests and Table E and SKIP to
Item 3.26.
3.20 Have you previously submitted the results of the above tests to your NPDES permitting authority?
❑✓ Yes ❑ No 4 Provide results in Table E and SKIP to
Item 3.26.
3.21 Indicate the dates the data were submitted to your NPDES permitting authority and provide a summary of the results.
Date(s)Submitted Summary of Results
(MWDD/YYYY)
•
All WET tests passed during this permitting cycle. WET tests were
completed on the following dates: 12/12/17,03/13/18,6/12/18,
9/11/18,12/18/18,03/05/19,06/11/19,9/10/19,12/03/19,03/10/20,
06/16/20,9/22/20.
co 3.22 Regardless of how you provided your WET testing data to the NPDES permitting authority,did any of the tests result in
toxicity?
c' El Yes ❑✓ No 4 SKIP to Item 3.26.
3.23 Describe the cause(s)of the toxicity:
a,
E
w
3.24 Has the treatment works conducted a toxicity reduction evaluation?
❑ Yes El 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 .ermittin. authori .
SECTICN 4.INDUSTRIAL DISCHARGES AND HAZARDOUS WASTES(40 CFR 122.21(j)(6)and (7))
4.1 Does the POTW receive discharges from Sills or NSCIUs?
❑✓ Yes ❑ No 4 SKIP to Item 4.7.
w 4.2 Indicate the number of SlUs and NSCIUs that discharge to the POTW.
Number of SIUs Number of NSCIUs
24
13- 4.3 Does the POTW have an approved pretreatment program?
CO ❑✓ Yes ❑ No
g 4.4 Have you submitted either of the following to the NPDES permitting authority that contains information substantially
identical to that required in Table F:(1)a pretreatment program annual report submitted within one year of the
application or(2)a pretreatment program?
❑✓ Yes ❑ No 4 SKIP to Item 4.6.
o 4.5 Identify the title and date of the annual report or pretreatment program referenced in Item 4.4. SKIP to Item 4.7.
Pretreatment Program Annual Report 02/28/2020
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
110006623449 NC0024970 McAlpine Creek WWMF 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 following information:
Annual
Hazardous Waste Waste Transport Method Amount of Units
Number (check all that apply) Waste
Received
❑ Truck ❑ Rail
❑ Dedicated pipe ❑ Other(specify)
0
U
❑ Truck ❑ Rail
❑ Dedicated pipe ❑ Other(specify)
0
N ❑ Truck ❑ Rail
❑ Dedicated pipe ❑ Other(specify)
a
4.9 Does the POTW receive,or has it been notified that it will receive,wastewaters that originate from remedial activities,
including those undertaken pursuant to CERCLA and Sections 3004(7)or 3008(h)of RCRA?
0
❑ Yes ❑✓ No 4 SKIP to Section 5.
TA 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
SECTICN 5. COMBINED SEWER OVERFLOWS(40 CFR 122.21(j)(8))
5.1 Does the treatment works have a combined sewer system?
am ❑ Yes ❑✓ No 4SKIP to Section 6.
5.2 Have you attached a CSO system map to this application?(See instructions for map requirements.)
❑ Yes ❑ No
5.3 Have you attached a CSO system diagram to this application?(See instructions for diagram requirements.)
c� ❑ Yes ❑ No
EPA Form 3510-2A(Revised 3-19) Page 10

EPA Identification Number NPDES Permit Number FacilityName FormApproved
03/05/19
110006623449 NC0024970 McAlpine Creek WWMF OMB No 2040-0004
5.4 For each CSO outfall,provide the following information. (Attach additional sheets as necessary.)
CSO Outfall Number CSO Outfall Number CSO Outfall Number
City or town
0
fi f- State and ZIP code
U
N
o County
tu
0
Latitude If
0
cn Longitude ° "
U
Distance from shore ft. ft. ft.
Depth below surface ft. ft. ft.
5.5 Did the POTW monitor any of the following items in the past year for its CSO outfalls?
CSO Outfall Number CSO Outfall Number CSO Outfall Number
Rainfall 0 Yes ❑ No ❑ Yes 0 No ❑ Yes 0 No
m
`0 CSO flow volume ElYes ElNo ❑ Yes CINo ElYes ElNo
c
CSO pollutant 0 Yes 0 No ❑ Yes ❑ No ❑ Yes ❑ No
o concentrations
CD
C Receiving water quality ❑ Yes ❑ No ❑ Yes ❑ No 0 Yes 0 No
CSO frequency ❑ Yes 0 No 0 Yes 0 No ❑ Yes ❑ No
Number of storm events ❑ Yes 0 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
Zi
Number of CSO events in
} events events events
en the past year
rcs
c Average duration per hours hours hours
w0) event 0 Actual or 0 Estimated 0 Actual or❑ Estimated 0 Actual or 0 Estimated
"-' million gallons million gallons million gallons
o Average volume per event
o 0 Actual or 0 Estimated 0 Actual or 0 Estimated 0 Actual or 0 Estimated
Minimum rainfall causing inches of rainfall inches of rainfall inches of rainfall
a CSO event in last year 0 Actual or 0 Estimated 0 Actual or 0 Estimated 0 Actual or 0 Estimated
EPA Form 3510-2A(Revised 3-19) Page 11

EPA Identification Number NPDES Permit Number Facility Name Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF OMB No.2040-0004
5.7 Provide the information in the table below for each of your CSO ouffalls.
CSO Outfall Number CSO Outfall Number CSO Outfall Number
Receiving water name
Name of watershed/
stream system
U.S. Soil Conservation 0 Unknown 0 Unknown 0 Unknown
Service 14-digit
watershed code
> (if known)
Name of state
management/river basin
ci) U.S. Geological Survey 0 Unknown 0 Unknown 0 Unknown
8-Digit Hydrologic Unit
Code(if known)
Description of known
water quality impacts on
receiving stream by CSO
(see instructions for
exam.les
SECTION 6.CHECKLIST AND CERTIFICATION STATEMENT(40 CFR 122.22(a)and (d))
6.1 In Column 1 below,mark the sections of Form 2A that you have completed and are submitting with your application. For
each section, specify in Column 2 any attachments that you are enclosing to alert the permitting authority. Note that not
all applicants are required to provide attachments.
Column 1 Column 2
Section 1: Basic Application
Information for All Applicants ❑ w/variance request(s) ❑✓ w/additional attachments
❑ Section 2:Additional ✓❑ w/topographic map ❑✓ w/process flow diagram
Information ✓❑ w/additional attachments
✓❑ w/Table A ❑ w/Table D
❑ Section 3: Information on ❑ w/Table B ❑ w/Table E
Effluent Discharges
✓❑ w/Table C ❑✓ w/additional attachments
Oi
co Section 4: Industrial ❑ w/SIU and NSCIU attachments ❑ w/Table F
❑✓ Discharges and Hazardous
Wastes ❑ w/additional attachments
Section 5:Combined Sewer ❑ w/CSO map CIw/additional attachments
❑ Overflows ❑ w/CSO system diagram
Section 6:Checklist and
co ❑ Certification Statement El w/attachments
:x 6.2 Certification Statement
N
/certify under penalty of law that this document and all attachments were prepared under my direction or supervision in
accordance with a system designed to assure that qualified personnel properly gather and evaluate the information
submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible
for gathering the information, the information submitted is, to the best of my knowledge and belief, true,accurate, and
complete. I am aware that there are significant penalties for submitting false information,including the possibility of fine
and imprisonment for knowing violations.
Name(print or type first and last name) Official title
Sbac_czuzZ.tN% 1 . S7a `2- 'pi►Zc:uZ�(Z
Signature (� Date signed
A, :.-�X ) -� _ l 7 — Z C Z L
EPA Form 3510-2A(Revised 3-19) Page 12

Start Date: 19
End Date: )20
EPA Identification Number NPDES Permit Number Facility Name Duffel!Number Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF 001 OMB No.2040-0004
TABLE A.EFFUENT PARAMETERS FOR ALL POTWS
Maximum Daily Discharge Average Daily Discharge ML or MDL
Pollutant +__ P Analytical
Number of Method(1) (include units)
Value Units Value Units Sam Samples i
Biochemicaloxygen demand 5.3 mg/L I 0.71 mg/L 445 SM5210B-11 2.0 mg/L MDL
C
Fecal Coliform 310 CFU/100 ml 10 CFU/100 ml 437 SM9222D-11 1 CFU/100 ml X MDL
Design flow rate 90 MGD 49.25 MGD 639
pH(minimum) 6.4 SU
pH(maximum) 7.4 SU
Temperature(winter) 22.3 Deg C 18.1 Deg C 163
Temperature(summer) 26.8 Deg C 23.7 Deg C 277
Total suspended solids(TSS) 11.7 mg/L 0.33 mg/L 446 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

This page intentionally left blank.

Start Date: 2019
End Date: 3r.3O/2020
EPA Identification Number NPDES Permit Number Facilitiy Name Outfall Number Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF 001 OMB No.2040-0004
TABLE B. EFFUENT PARAMETERS FOR ALL POTWS WITH A FLOW EQUAL TO 0 GREATER THAN 0.1 MGD
Maximum Daily Discharge 1 Average Daily Discharge ML or MDL
Pollutant -- Analytical j
Value Units Value Units Number of Method(1) (include units)
' Samples 4 'r1
Ammonia (as N) 10 mg/L 0.04 mg/L 444 SM 4500-NH3-H-11 0.1 mg/L X ML
MDL
Chlorine(total residual,TRC)(2) 0 pg/L 0 pg/L 440 Hach 10014ULR 15 pg/L X ML
MDL
ML
Dissolved Oxygen 10.0 mg/L 8.72 mg/L 440 ASTM D888-09C 1.0 mg/L X MDL
ML
Nitrate/nitrite 26 mg/L 19.58 mg/L 111 EPA 353.2-93 0.05 mg/L X MDL
Kjeldahl nitrogen 11 mg/L 0.77 mg/L 111 EPA351.2-93 0.25 mg/L
X ML
MDL
Oil and grease 0.0 mg/L 0.0 mg/L 17 EPA 1664B 5.0 mg/L X ML
MDL
Phosphorus 0.92 mg/L 0.46 mg/L 133 SM 4500P-H-11 0.1 mg/L X ML
MDL
Total dissolved solids j 370 mg/L 365mg/L 2 SM 2540C-11 /L X ML
25 mg
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

This page intentionally left blank.

Start Date: 1 9
End Date: 91surtu20
EPA Identification Number NPDES Permit Number Facilitiy Name Outfall Number Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF 001 OMB No.2040-0004
TABLE C. EFFUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge ML or MDL
Pollutant - Analytical
Value Units Value Units I Number of , Method(1) (include units)
Samples
Metals,Cyanide and Total Phenols
Hardness(as CaCo3) 180 mg/L 158 mg/L 23 EPA 200.7 1.0 mg/L X ML
MDL
EPA 200.8 X ML
Antimony,total recoverable 0.0 pg/L 0.0 pg/L 2 EPA 200.7 5.0 pg/L MDL
Arsenic,total recoverable 0.0 pg/L 0.0 pg/L 112 EPA200.8 pg/L X ML
EPA 200.75.0MDL
Beryllium,total recoverable 0.0 pg/L 0.0 pg/L 2 EPA200.8 5.0/2.0 pg/L X ML
EPA 200.7 MDL
Cadmium,total recoverable 0.0 pg/L 0.0 pg/L 112 EPA 200.8 1.0/0.5 pg/L X ML
EPA 200.7 MDL
Chromium,total recoverable 0.0 pg/L 0.0 pg/L 112 EPA20o.8 5.0 pg/L X ML
EPA 200.7 MDL
Copper,total recoverable 7.6 pg/L 3.6 pg/L 112 EPA200.8 2.0 pg/L X ML
EPA 200.7 MDL
•Lead,total recoverable 0.0 pg/L 0.0 pg/L 112 EPA200.8 5.0 pg/L X ML
EPA 200.7 MDL
Mercury,total recoverable 9.81 ng/L 1.19 ng/L 23 EPA 1631E 0.50 ng/L X ML
MDL
Nickel,total recoverable 12.0 pg/L 4.1 pg/L 112 EPA 200.8 2.0 pg/L X ML
EPA 200.7 MDL
Selenium,total recoverable 0.0 pg/L 0.0 pg/L 112 EPA 200.8 5.0 pg/L X ML
{ EPA 200.7 MDL
Silver,total recoverable 0.0 pg/L 0.0 pg/L 112 EPA 200.8 5.0/1.0 pg/L X ML
EPA 200.7 MDL
Thallium,total recoverable 0.0 pg/L 0.0 pg/L 2 EPA200.8 5.0/1.0 pg/L X ML
EPA 200.7 MDL
Zinc,total recoverable 43 pg/L 23.8 pg/L 112 EPA200.8 10 pg/L X ML
EPA 200.7 MDL
Cyanide 0 pg/L 0.0 pg/L 184 10-204-00-1-X 10 pg/L X ML
MDL
Total phenolic compounds 0.050 mg/L 0.004 mg/L 13 EPS 420.2 0.050 mg/L X ML
MDL
Volatile Organic Compounds
Acrolein 0.0 pg/L 0.0 pg/L 2 EPA 624.1 100/2.0 pg/L X ML
MDL
Acrylonitrile 0.0 pg/L 0.0 pg/L 2 EPA 624.1 100/2.0 pg/L X ML
MDL
Benzene 0.0 pg/L 0.0 pg/L 2 EPA 624.1 5.0/2.0 pg/L X ML
MDL
Bromoform 0.0 pg/L 0.0 pg/L 2 EPA624.1 5.0/2.0 pg/L X ML
EPA Form 3510-2A(Revised 3/19) Page 17

Start Date. 1 1
End Date: 9,,,,,,-20
EPA Identification Number NPDES Permit Number Facilitiy Name Outfall Number Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF 001 OMB No.2040-0004
TABLE C.EFFUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge ML or MDL
Pollutant Analytical
Value Units Value Units Number of Method(1) (include units)
Samples
Carbon tetrachloride 0.0 pg/L 0.0 pg/L 2 EPA 624.1 5.0/2.0 pg/L X ML
MDL
Chlorobenzene 0.0 pg/L 0.0 pg/L 2 EPA 624.1 5.0/2.0 pg/L X ML
MDL
Chlorodibromomethane 0.0 pg/L 0.0 pg/L 2 EPA 624.1 5.0/2.0 pg/L X ML
MDL
Chloroethane 0.0 pg/L 0.0 pg/L 2 EPA624.1 10/5.0 pg/L X ML
MDL
2-chioroethylvinyl ether 0.0 pg/L 0.0 pg/L 2 EPA 624.1 10/2.0 pg/L X ML
MDL
Chloroform 27.7 pg/L 26.9 pg/L 2 EPA624.1 5.0/2.0 pg/L X ML
MDL
Dichlorobromomethane 9.7 pg/L 5.6 pg/L 13 EPA624.1 5.0/2.0 pg/L X ML
MDL
1,1-dichloroethane 0.0 pg/L 0.0 pg/L 2 EPA624.1 5.0/2.0 pg/L X ML
MDL
1,2-dichloroethane 0.0 pg/L 0.0 pg/L 2 EPA624.1 5.0/2.0 pg/L X ML
MDL
trans-1,2-dichloroethylene 0.0 pg/L 0.0 pg/L 2 EPA 624.1 5.0/2.0 pg/L X ML
MDL
1,1-dichloroethylene 0.0 pg/L 0.0 pg/L 2 EPA 624.1 5.0/2.0 pg/L X ML
MDL
1,2-dichloropropane 0.0 pg/L 0.0 pg/L 2 EPA624.1 5.0/2.0 pg/L X ML
MDL
1,3-dichloropropylene 0.0 pg/L 0.0 pg/L 2 EPA624.1 5.0/2.0 pg/L X ML
MDL
Ethylbenzene 0.0 pg/L 0.0 pg/L 2 EPA 824.1 5.0/2.0 pg/L X ML
MDL
Methyl bromide 0.0 pg/L 0.0 pg/L 2 EPA624.1 10/5.0 pg/L X ML
MDL
ML
Methyl chloride 0.0 pg/L 0.0 pg/L 2 EPA 624.1 10/5.0 pg/L X-I MDL
Methylene chloride 0.0 pg/L 0.0 pg/L 2 EPA624.1 5.0/2.0 pg/L X ML
-I
MDL
ML 1
1,1,2,2-tetrachloroethane 0.0 pg/L 0.0 pg/L 2 EPA624.1 5.0/2.0 pg/L X MDL
Tetrachloroethylene 0.0 pg/L 0.0 pg/L 2 EPA 624.1 5.0/2.0 pg/L X ML
MDL
ML
Toluene 0.0 pg/L 0.0 pg/L 2 EPA624.1 5.0/2.0 pg/L X MDL 1
1,1,1-trichloroethane 0.0 pg/L 0.0 pg/L 2 EPA624.1 5.0/2.0 pg/L X ML
MDL
X ML
1,1,2-trichloroethane 0.0 pg/L 0.0 pg/L 2 EPA624.1 5.0/2.0 pg/L
i MDL
EPA Form 3510-2A(Revised 3/19) Page 18

Start Date: 1 I
End Date: 9r our cu20
EPA Identification Number NPDES Permit Number Facilitiy Name Outfall Number Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WMF 001 OMB No.2040-0004
W
TABLE C.EFFUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge
Pollutant �_ ! Analytical ML or MDL
Value Units Value Units I Number
Samplesf Method(1) (include units)
Trichloroethylene 0.0 pg/L 0.0 pg/L 2 EPA 624.1 5.0/5.0 pg/L X ML
MDL
Vinyl chloride 0 0 pg/L 0.0 pg/L 2 EPA 624.1 10/5.0 pg/L X ML
MDL
Acid-Extractable Compounds
ML
p-chloro-m-cresol 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X MDL
2-chlorophenol 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
X ML
2,4-dichlorophenol 0.0 Ng/L 0.0 vg/L 2 EPA625.1 10/5.0 pg/L MDL
2,4-dimethylphenol 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
4,6-dinitro-o-cresol 0.0 Ng/L 0.0 pg/L 2 EPA625.1 20/5.0 pg/L X ML
MDL
2,4-dinitrophenol 0.0 pg/L 0.0 pg/L 2 EPA825.1 50/20 pg/L X ML
MDL
2-nitrophenol 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
4-nitrophenol 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
Pentachlorophenol 0.0 pg/L 0.0 pg/L 2 EPA625.1 20/10 pg/L X ML
MDL
Phenol 0.0 pg/L 0.0 Ng/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
2,4,6 trichiorophenoi 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
;Base-Neutral Compounds
'X ML
Acenaphthene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L MDL
Acenapthylene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
Anthracene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
Benzidine 0.0 pg/L 0.0 pg/L 2 EPA 625.1 50/5.0 pg/L X ML
MDL
Benzo(a)anthracene 0.0 _ pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
Benzo(a)pyrene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
3,4-benzofluoranthene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
EPA Form 3510-2A(Revised 3/19) Page 19

Start Date: 1 I
End Date: 9i,u, u20
EPA Identification Number NPDES Permit Number Facilitiy Name Outfall Number Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF 001 OMB No.2040-0004
TABLE C.EFFUENT PARAMETERS FOR SELECTED POTWS
Maximum Daily Discharge Average Daily Discharge ML or MDL
Pollutant 1---- T Analytical
Number of Method(1) (include units)
Value 1 Units Value I Units Samples '
Benzo(ghi)perylene 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
Benzo(k)fluoranthene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
Bis(2-chloroethoxy)methane 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
X ML
Bis(2-chloroethyl)ether 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L MDL
Bis(2-chloroisopropyl)ether 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
ML
Bis(2-ethylhexyl)phthalate 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X MDL
4-bromophenyl phenyl ether 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
Butyl benzyl phthalate 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
2-chloronaphthalene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
4-chlorophenyl phenyl ether 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
Chrysene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
ML
di-n-butyl phthalate 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X MDL
ML
di-n-octyl phthalate 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X MDL
Dibenzo(a,h)anthracene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
1,2-diclorobenzene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
1,3-dichlorobenzene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
1,4-dichlorobenzene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
3,3-dichlorobenzidine i 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
[ MDL
Diethyl phthalate 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
Dimethyl phthalate 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
X ML
2,4-dinitrotoluene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L MDL
X ML
2,6-dinitrotoluene 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L
MDL
EPA Form 3510-2A(Revised 3/19) Page 20

Start Date: ' 9
End Date: 9/30/2020
EPA Identification Number NPDES Permit Number Facility Name Outfall Number Form Approved 03/05/19
110006623449 NC0024970 McAlpine Creek WWMF 001 OMB No.2040-0004
TABLE C.EFFUENT PARAMETERS FOR SELECTED POTWS
r
Maximum Daily Discharge Average Daily Discharge
- - -! Analytical ML or MDL
Pollutant 1 Number of Method(1) (include units)
Value Units Value ! Units Samples
1,2-diphenylhydrazine 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
Fluoranthene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
ML
Fluorene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X MDL
ML
Hexachlorobenzene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X MDL
Hexachlorobutadiene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
Hexachlorocyclo-pentadiene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
Hexachloroethane 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
Indeo(1,2,3-cd)pyrene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
Isophorone 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
Naphthalene 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
Nitrobenzene 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
N-nitrosodi-n-propylamine 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
N-nitrosodimethylamine 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
N-nitrosodiphenylamine 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/L X ML
MDL
Phenanthrene 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
Pyrene 0.0 pg/L 0.0 pg/L 2 EPA 625.1 10/5.0 pg/L X ML
MDL
1,2,4-trichlorobenzene 0.0 pg/L 0.0 pg/L 2 EPA625.1 10/5.0 pg/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

Attachment # 1

McAlpine WWMF Narrative of Treatment Processes
Liquid Processes
Flow, including the WWMF's septage receiving station, enters the McAlpine Creek Wastewater
Management Facility through the plant's two headworks facilities where it is screened and
degritted. Recycle streams that include the filter backwash, and DW/WAS-centrate combines with
the plant influent after screening/grit removal. Screenings and grit that are removed are collected
in dumpsters to be disposed of at a landfill. The Low Lift Pump Station (LLPS) conveys flow through
screening/grit removal and to the Combined Influent Pump Station (CIPS)which distributes flow to
the North and South Plants. Flow equalization is also provided for diurnal peak shaving events and
wet weather (via the Flow Equalization Pump Station/ FEQPS) events.
The influent flow is then split between the two treatment trains: North and South. Both treatment
trains are comprised of similar treatment processes: Primary Sedimentation, Biological Treatment,
BIO-P and chemical phosphorus removal processes, Secondary Clarification, and with a combined
tertiary filtration and disinfection system.
North
Flow to the North Plant begins with the flow entering four 130-ft DIA primary clarifiers. Primary
effluent is then distributed between 10 of the 12 aeration basins in the North Plant,which have a
combined volume of 12.67 MG. Two of the aeration basins have been retrofitted and converted
into a RAS Fermenter to enhance and make a more robust BIO-P removal process for the North
Plant liquid train.The RAS Fermenter receives effluent from the primary solids thickening process
and a portion of the RAS stream from the secondary clarifiers. Biological treatment in the remaining
aeration basins utilizes an initial anaerobic zone followed by multiple aerobic zones. Mixed liquor
from the aeration basins continues to the secondary clarifiers. Two 95-ft DIA and four 125-ft DIA
clarifiers are used to separate the mixed liquor. Return activated sludge drawn from the clarifiers is
returned to a splitter box ahead of the aeration basins (via three RAS pump stations) and to the RAS
Fermenter. Ferric chloride is added, as needed,for chemical phosphorus removal downstream of
the North Plant's secondary clarifiers, before tertiary filtration to avoid interference with the BIO-P
process.
South
Flow to the South Plant begins with the flow entering four 125-ft DIA primary clarifiers. Primary
effluent is then distributed between 16 aeration basins with a combined volume of 13.96 MG.
Biological treatment utilizes an initial anaerobic zone followed by multiple aerobic zones. Ferric
chloride for chemical phosphorus removal is added to the mixed liquor from the aeration basins
before it continues to the secondary clarifiers. Four 95-ft DIA,four 105-ft DIA, and two 125-ft DIA
clarifiers are used to separate the mixed liquor. Return activated sludge drawn from the clarifiers is
returned to a splitter box ahead of the aeration basins (via two RAS pump stations).

Tertiary filtration and disinfection system.
Secondary clarifier effluent from the North and South treatment systems are combined and filtered
utilizing nineteen 800-square foot rapid sand filters. Filtered effluent is flow metered and
disinfected with Sodium Hypochlorite and then dechlorinated with Sodium Bisulfite prior to
discharge in McAlpine Creek.
Solids Processes
Primary sludge from both facilities, in addition to primary sludge from Sugar Creek WWTP, is
thickened using two 45-ft DIA and two 60-ft DIA gravity thickeners. The gravity thickener effluent is
pumped to a splitter box ahead of the North and South aeration basins where the RAS is mixed with
the primary clarifier effluent and to the RAS fermenter.
Waste activated sludge(WAS)from both facilities, in addition to WAS from Sugar Creek WWTP, is
thickened using three centrifuges. The WAS is thickened to approximately 5-percent solids.
Thickening centrate from the centrifuges is returned to the EQ basin or SIPS. The thickened WAS
(TWAS) and thickened primary sludge (TPS)then enter the Anaerobic Digesters.
The TWAS and TPS are combined and mixed in eight anaerobic digesters. The digesters provide a
volume of approximately 15.89 MG. Once digested,the solids are held in two 2 MG holding tanks
prior to dewatering. Three centrifuges are available for dewatering of the biosolids. The dewatered
cake is thickened to approximately 20-percent solids. Dewatering centrifuge centrate is currently
being returned to the EQ basin or the SIPS.
Biosolids residuals are permitted, managed and disposed under a contract with Synagro. Land
application and land filling are the means for ultimate use of the residuals.
Auxiliary Processes
McAlpine Creek WWMF has an equalization basin capacity of about 80-85 million gallons and six
2700-kilowatt backup generators. There is also a functioning 1000-kilowatt Combined Heat and
Power facility on site utilizing the Anaerobic Digester methane gas as the fuel source.
Septage is received and controlled at the facility through a septage receiving station. Septage
volume is monitored,screened and passes to the biological system for treatment.

Attachment # 2

The Contractors at McAlpine Creek WWMF are listed below. The addresses and
telephone numbers for the contractors are listed below as well.
CITI/ESI, LLC Address: P.O. Box 37047
Charlotte, NC 28237
Telephone #: [phone]
Contract Emphasis: Instrumentation
Maintenance/Calibration and PLC/System
Integrator.
Energy Erectors Address: 31588 Progress Rd.
Leesburg, FL 34748
Telephone #: [phone]
Contract Emphasis: Electrical Service Work.
Cummins Sales and Service Address: 3700 Jeff Adams Drive
Charlotte, NC 28206
Telephone #: [phone]
Contract Emphasis: Service provider for PM and repair
maintenance for the WWTP's six 2700KW
diesel generators.
Kemp Construction Address: 2217 Lynmore Drive
Sherrill's Ford, NC 28675
Telephone#: [phone]
Contract Emphasis: General Contractor for O&M of the
WWTP repairs for plant equipment and
processes.

BW Service Solutions LLC Address: 138 Pine DR
Lowell, NC 28098
Telephone #: [phone]
Contract Emphasis: General Contractor for O&M of the
WWTP repairs for plant equipment and
processes.
Garney Construction Address: 12725 Lancaster Hwy
Pineville, NC 28134
Telephone #: [phone]
Contract Emphasis: General Contractor for the RPI
project at the McAlpine Creek WWTP.
Harper General Contractor Address: 1310 South Tryon St Suite 106
Charlotte, NC 28203
Telephone #: [phone]
Contract Emphasis: General Contractor for the Grit
System Upgrade and Repairs Project at the
McAlpine Creek WWTP.
INNIO Jenbacher North America LLC Address: 11330 Clay Road
Houston, TX 77041-5587
Telephone #:
Contract Emphasis: Service provider for
PM and repair maintenance for the one
1000KW methane gas CHP generator.

Attachment # 3

Inflow and Infiltration (I&I) Reduction Practices
Charlotte Water (CLTWater) has maintained an established evaluation and rehabilitation program since
p g
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 I/I 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 are assigned to a contractor. The work may include manhole
rehabilitation, point repairs, pipe lining, and pipe replacement.
From August 2010 to October 2020, CLTWater's Rehabilitation Team has:
• inspected 60,741 manholes
• smoke tested 7,931,249 ft. of pipe
• CCTV inspection of 1,588,404 ft. of pipe
These SSES efforts resulted in the following:
• 3,301 manholes rehabbed/repaired
• 661 inflow dishes installed
• 627,955 ft. of pipe rehabbed/replaced
• 1,361 clean-outs replaced
• 2,830 service laterals replaced
This does not include similar work performed by CLTWater's Field Operation Division or other sections
within CLTWater. CLTWater also implemented a chemical root control program in March 2005 and we
continue to maintain and expand that program. We have treated approximately 10,052,903 ft of line in
the McAlpine basin since this program was initiated.
CLTWater uses flow monitoring extensively to support engineering analyses, to prioritize sewer
improvements, and to evaluate capacity issues and I/I loadings in the major trunk lines in the system.
CLTWater currently has 60 permanent flow meters installed throughout the service area and utilizes
temporary flow metering on an as-needed basis.

Charlotte Water
Sewer Rehabilitation Program
Overall SSES Summary
Basin/ Manhole Inspections Smoke Testing
9
Area Work Total Work Total
Performed/Anticipated Inspections Performed/Anticipated Footage
Andover Road
Entire sub-basin 182 Entire sub-basin 50,000
area
Briar Creek Entire basin 5,953 Entire basin 1,986,699
Primarily Huntersville; Primarily Huntersville;
Clarke Creek started Highland Creek 1,843 started Highland Creek 278,936
area February 09 area February 09
Trunk sewer and major McCullough Branch sub-
Coffee Creek 1,787 174,677
tributaries basin
H2S Investigation (limited
Four Mile Creek 249 None 34,778
scope)
Trunk sewer and major Trunk sewer and major
tributaries complete; tributaries complete;
Irwin Creek 14,342 1,584,239
began remainder of basin began remainder of basin
September 2012 September 2012
Trunk sewer and Gum Trunk sewer and Gum
Branch sub-basin Branch sub-basin
Long Creek complete; began 11,629 complete; began 2,333,972
remainder of basin remainder of basin
October 2008 November 2008
Trunk sewer complete;
Mallard Creek remainder of basin 5,119 Basin partially complete 137,914
p Y
partially complete
Trunk sewer and major
tributaries complete;
McAlpine Creek 18,729 Entire basin 3,079,493
began remainder of basin
October 2010
Trunk sewer, major
tributaries, and Washam Washam Street pump
McDowell Creek 6,908 27,000
Street pump station sub- station sub-basin
basin
Old ADS smoke leaks
McMullen Creek Trunk sewer 8,656 initially; began basin work 202,912
for B&C April 2017
Paw Creek Entire basin 2,274 Entire basin 560,000
Entire Plott Road pump Entire Plott Road pump
Reedy Creek 705 214,000
station sub-basin station sub-basin

Griffith Street and Included in Griffith Street and
Davidson College pump McDowell Davidson College pump 45,000
Rocky River stations sub-basins Creek stations sub-basins
Davidson and Huntersville 1,010 Davidson and Huntersville 235,000
Trunk sewer and major
Six-Mile Creek tributaries and Pasofino 304 None 28,267
pump station sub-basin
Trunk sewer and major
Steele Creek tributaries; also 209 Carowinds 15,452
Carowinds
Lower Little Sugar
Entire basin 2,999 Entire basin 378,774
Creek
Trunk sewer and major McCullough Branch sub-
Upper Little Sugar tributaries complete; basin complete; began
10,753 1,548,913
Creek began remainder of basin remainder of basin
September 2008 September 2008
Miscellaneous Various small areas 190 None 28,674
Total 93,841 12,944,700

Rehab Totals as of 10/31/2020
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 133097 59414 9480 1352912 674 231 229 252
FY12 93774 57533 7686 1313994 446 160 217 149
FY13 73688 46892 3347 492078 403 88 197 306
FY14 161980 41345 3991 484092 173 37 128 236
FY15 74950 58508 914 360092 365 33 144 451
FY16 3148 50094 2143 398500 183 21 45 228
FY17 425310 48318 1202 270060 201 47 76 299
FY18 217997 64528 8626 244561 298 38 125 415
FY19 230190 102773 7141 1432459 288 0 76 235
FY20 170862 69751 14109 750234 264 6 104 223
FY21 YTD 3408 28799 2102 832267 6 0 20 36
Total 1588404 627955 60741 7931249 3301 661 1361 2830
Average
Per Year
Excluding
FY20 151281 56779 4842 584927 242 30 102 270

Attachment # 4

McAlpine Creek WastE ater Treatment Plant
One Mile Radius
.-.,...„7.
1r
McAlpine Creek WWTP Parcel Sludge Management Facility
Wastewater Mains _________ Streams ,
•
j .1 i ForceMain H
Well/Drinking Water McAlpine Ck WWTP One Mile Radius
MIIMM Gravity
I Wastewater Lift Stations State Line
-IL 2,400 1,200 0 2,400 Feet
C=IillM Sludge NMI= MUM
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McAlpine Creek Wastewater
Charlotte Water geographic data and other records are provided
Treatment Plant Technology Services - GIS Group for general information purposes only.While Charlotte Water
CHARLOTTE Mile Radius makes every effort to confirm the accuracy of information, it does
W TER Created By: SClontz not warrant nor guarantee information provided is accurate, current
or complete. Charlotte Water assumes no responsibility for the
4:e
Map Number 1 11/19/2020 consequences of inappropriate uses or misinterpretations of
released data.

Attachment # 5

McAlpine Creek Wastewater Management Facility J
Flow Schematic- Calendar Year 2020
*Optional chemical additions points
Ferric
Ferric North Primary Magnesium North Aeration North Final
Chloride" Ferric
Polymer* Chloride* Clarifier Effluent Hydroxide Tank Effluent Clarifier Effluent
(A-NATE) I (A-NFCE)
Influent (A-NPCE) Chloride
Screenings (A-INF) CIPS/
Low Lift North Aeration Basins
Removal Grit Removal Combined Influent North Primary Clarifiersi Q _ _._�.� _..—_ North Final Clarifiers
Pump Station \ Pump Station �r
•
Influent ♦ + -------...__► -__-- _. ►- • , _. ___--
iir
•
Chlorine Contact Effluent
ill!Pli
Sand Filter Sand Filter Basin Effluent (A_EFF)
To Landfill Pumpp Station North Primar Influent Effluent (A-CEFF)
y ► North RAS
To Landfill Sludge --+ (A-RASl,A-RAS2,A-RASS) South Final (A-SFI) (A-SFE) Effluent
Interim Fermenter
(A-NRAW) Clarifier Effluent Weir Box/
Ferric Chloride (A-SFCE) Chlorine Contact Aeration
Sand Fitters Basin Structure
16
South Primary Magnesium South Aeration
Peak Shaving to EQ Clarifier Effluent Hydroxide South Final Clarifiers _•- - - Tank Effluent -- _._�.
Equalization Basins (A-SPCE) (A-SATE) P • V-
Septager iiI!'
P
South Primary Clarifiers South Aeration Basins `\ McAlpine
Receivingff Creek
El-
► 16 jiPolymer" :__. _.. —.- ►
Ferric Screw Pump
Gravity Thickener
Chloride* (A-SCWPMP) South RA$
Effluentii
South Primary (A-GTE) (A-RASB,A-RAS4) Sodium Sodium
Sludge I _. Hypochlorite Bisulfate
(A-SRAW) i Gravity Thickeners Sand Filter
Primary Solids ♦ - f Blend
from Sugar - - - ► (A-SFB)
Creek WWTP ( Backwash
Pump Station
4 i 1104--...------------ - _
'---~— Sand Filter
Combined Centrate Thickened Primary ►1 Thickening Centrate Backwash
(A-CCENT) Sludge(A-GTS) q (A-THCENT) —
(A-SFBW)
Dewatering I pot mer 4 j- . + WAS from Sugar
Centrate --• 11101
(A-DWCENT) Ferric Sludge to Digester ► Creek WWTP
Chloride (A-STD) Thickening Centrifuges
Storage/Residuals
Management Facility * Thickened WAS
To Land * \5� �n (A TWAS)
Application/ 1 'ICl/) t
Landfill
Dewatering Centrifuges S naero.ic
Dewatered Cake Digester Digesters
Dewatering Feed (A-DIG)
(A-CAKE) (A-DWFEED)
Sludge To Centrifuge
(A-STC)

Attachment # 6

McAlpine Creek WWMF
Project Master Schedule
Begin Design Design Phase Begin Construction Construction Phase
Project Name Scope of Work Consultant Contractor
Phase Completion Phase Completion
Biosolids Treatment Facilities Rehabilitation Project Provides mechanical,electrical,instrumentation,and
structural rehabilitation of the following components of the
digester and dewatering facilities:DCB's 1 and 2,Digesters 1-8,
Biogas conditioning facilities and waste gas burners,digested
sludge pumping stations and digested sludge holding tanks 1 HDR 1/1/2021 9/30/2022 TBD 10/1/2022 12/30/2024
and 2,waste activated sludge PS,and dewatering building,not
including centrifuges
Preliminary and Primary Treatment Facilities Improvements Project provides mechanical,electrical,instrumentation,and
structural rehabilitation of the following components of the
Preliminary and Primary Treatment Facilities: EQ Dewatering
PS,EQ PS,EQ Basins,Headworks No.2,Primary Clarifiers, HDR 10/5/2021 1/30/2023 TBD 2/3/2023 2/3/2025
Gravity Thickeners,
Grit System Upgrades and Repairs Project provides mechanical,electrical,instrumentation,and
structural rehabilitation of the following components of the Grit
Removal Facilities:Screening and Grit Facility and the Flow EQ HDR 11/24/2018 12/30/2019 Harper 7/6/2020 9/30/2021
PS
Reliability and Process Improvements Electrical,mechanical and structural rehabilitation of 16
secondary clarifiers,26 aeration tanks,10 blowers and ancillary
systems,including but not limited to piping,valves,pumps,
instrumentation and controls.Possible process modifications to Garney/BC 11/6/2017 5/30/2021 Garney/BC 5/15/2018 3/30/2023
provide energy and chemical savings are also being piloted on a B&V
full scale as part of the project
LLPS and Effluent Filter Upgrades Add check valves&replace storm flow gate at LLPS.Filter
effluent gate replacement,blower replacement,add filter
backwash flowmeter&W3 piping replacement at Effluent HDR 8/13/2020 2/23/2021 TBD 5/15/2021 6/15/2021
Filters.