NC0063584_Renewal (Application)_20201110

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MICHAEL S.REGAN �` �+ ,,.:�•0. 1
Secretory an •
S. DANIEL SMITH NORTH CAROLINA
Director Environmental Quality
November 10, 2020
Charlotte Water
Attn: Jacqueline A. Jarrell, Deputy Dir.
5100 Brookshire Blvd
Charlotte, NC 28216-3371
Subject: Permit Renewal
Application No. NC0063584
Oxford Glen WWTP
Mecklenburg County
Dear Applicant:
The Water Quality Permitting Section acknowledges the November 5, 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.govlpermits-regulations/permit-guidance/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sincerely,
1
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
cc: Central Files w/application
ec: WQPS Laserfiche File w/application
North Carona Department of Envronmentai Quality I D+vsion of Water Resources
D_E C� Mooresv Regana Off cent
161D Eat Center Avenue,Suite 301 I Mooresv ife,North Carona 28115
704-663-1699

CHARLOTTE
WTER
October 22, 2020
ATTN: Mr. John Hennessy RECEIVED
NC DEQ/DWR
NPDES Compliance and Expedited Permitting Unit NOV 0 5 2020
1617 Mail Service Center
Raleigh, NC 27699-1617 NCDEQ/DWR/NPDES
Re: NPDES Permit Renewal Application
Oxford Glen WWTP— NPDES Permit#NC0063584
Mr. Hennessy:
Application Overview
Please find the enclosed NPDES permit renewal application for Oxford Glen WWTP. Below are a few
key points regarding the information that is included in the package:
1. Section#8 in the application is addressed with Attachment#1 (Outfall Map).
2. Section#10 (description of the treatment system) is addressed with Attachment#2.
3. The table in Section #13 is based on data collected from 01/01/19—08/31/20.
Plan to Discontinue Discharge
In addition to the standard application materials, CLTWater wishes to inform the Division of Water
Resources (DWR) of the intent to discontinue discharge from the Oxford Glen WWTP to Stevens Creek in
August 2021. At this time, CLTWater plans to convert the Oxford Glen WWTP to a pump station to send
flows to McAlpine Creek WWMF (NPDES Permit#NC000024970). Work on the new pump station began
in February 2020 and is currently ahead of the scheduled August 2021 completion date.
Thank you for your efforts in renewing this NPDES permit, and please let us know if you have any
questions or need any further information. You may contact Shannon Sypolt, Water Quality Program
Administrator, at 704-634-6984 or Jeremy Nance, ORC of Oxford Glen WWTP, at 704-634-3389. You
may also contact me at 704-336-5433.
Respectfully, A
Ls:
`q' eline A. Jarrell, 4-----d
<- (
D puty Director
arlotte Water
Cc: J. Nance, S. Sypolt, J. Lockler
Charlotte Water 5100 Brookshire Blvd,Charlotte,NC 28216 charlottewater.org
Operated by the City of Charlotte

NPDES APPLICATION FOR PERMIT RENEWAL - FORM A
For Publicly Owned Treatment Works (POTW) or other treatment systems treating
domestic wastes < 0.1 MGD with no pretreatment program.
Mail the complete application to:
N. C. DEQ / DWR / NPDES
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit Na063584
If you are completing this form in computer use the TAB key or the up - down arrows to move from one
field to the next. To check the boxes, click your mouse on top of the box. Otherwise,please print or type.
1. Contact Information:
Owner Name Charlotte Water
Facility Name Oxford Glen WWTP
Mailing Address 5100 Brookshire Blvd
City Charlotte
State / Zip Code NC, 28216
Telephone Number [phone]
Fax Number [phone]
e-mail Address [e-mail]
2. Location of facility producing discharge:
Check here if same address as above ❑
Street Address or State Road 15345 Bexley Place
City Mint Hill
State / Zip Code NC, 28227
County Mecklenburg
3. Operator Information:
Name of the firm,public organization or other entity that operates the facility. (Note that this is not referring
to the Operator in Responsible Charge or ORC)
Name Charlotte Water
Mailing Address 5100 Brookshire Blvd
City Charlotte
State / Zip Code NC, 28216
Telephone Number [phone]
Fax Number [phone]
4. Population served: Approximately 182 homes
1 of 3 Form-A 4/2020

NPDES APPLICATION FOR PERMIT RENEWAL - FORM A
For Publicly Owned Treatment Works (POTW) or other treatment systems treating
domestic wastes < 0.1 MGD with no pretreatment program.
5. Do you receive industrial waste?
® No ❑ Yes (if you have an approved pre-treatment program, must complete Form 2A)
6. Type of collection system
stem Y
® Separate (sanitary sewer only) ❑ Combined (storm sewer and sanitary sewer)
7. Outfall Information:
Number of separate discharge points 1
Outfall Identification number(s) 001
Is the outfall equipped with a diffuser? ❑ Yes ® No
8. Name of receiving stream(s) (Provide a map showing the exact location of each outfall):
Stevens Creek- See Attachment#1
9. Frequency of Discharge: ® Continuous ❑ Intermittent
If intermittent:
Days per week discharge occurs: N/A Duration: N/A
10.Describe the treatment system
List all installed components, including capacities,provide design removal for BOD, TSS, nitrogen and
phosphorus. If the space provided is not sufficient, attach the description of the treatment system in a
separate sheet of paper.
See Attachment #2
11. Flow Information:
Treatment Plant Design flow 0.075 MGD
Annual Average daily flow 0.025 MGD (for the previous 3 years)
Maximum daily flow 0.072 MGD (for the previous 3 years)
12. Is this facility located on Indian country?
❑ Yes No
2 of 3 Form-A 4/2020

NPDES APPLICATION FOR PERMIT RENEWAL - FORM A
For Publicly Owned Treatment Works )POTW) or other treatment systems treating
domestic wastes < 0.1 MGD with no pretreatment program.
13. Effluent Data
Provide data for the parameters listed.Fecal Coliform, Temperature and pH shall be grab samples,for all other
parameters 24-hour composite sampling shall be used. Effluent testing data must be based on at least three
samples and must be no more than four and one half years old.
Parameter Daily Monthly Units of Number of
Maximum Average Measurement Samples
Biochemical Oxygen Demand 2.9 0.2 mg/L 91
(BODS)
Fecal Coliform 3 2 CFU/100 mL 87
Total Suspended Solids 9.7 0.4 mg/L 91
Temperature (Summer) 30.3 24.2 Deg C 261
Temperature (Winter) 21.3 15.9 Deg C 170
pH 7.9 N/A SU 431
14. List all permits, construction approvals and/or applications:
Type Permit Number Type Permit Number
Hazardous Waste (RCRA) NESHAPS (CAA)
UIC (SDWA) Ocean Dumping(MPRSA)
NPDES NC0063584 Dredge or fill(Section 404 or CWA)
PSD (CAA) Special Order of Consent(SOC)
Non-attainment program (CAA) Other
15. APPLICANT CERTIFICATION
I certify that I am familiar with the information contained in the application and that to the best
of my knowledge and belief such information is true, complete, and accurate.
Z-AL4u L11-i N c Q.Tc LyLr-1,L "17LPL>'1 -Di YLEcro ..
Printed name of Person Signing Title
,A... Q 10 --2,61 -ZG 20
Si u of Applicant Date
pp
North Carolina General Statute 143-215.6 (b)(2) states: Any person who knowingly makes any false statement
representation, or certification in any application, record, report, plan, or other document files or required to be
maintained under Article 21 or regulations of the Environmental. Management Commission implementing that
Article, or who falsifies, tampers with, or knowly renders inaccurate any recording or monitoring device or method
required to be operated or maintained under Article 21 or regulations of the Environmental Management
Commission implementing that Article,shall be guilty of a misdemeanor punishable by a fine not to exceed$25,000,
or by imprisonment not to exceed six months, or by both. (18 U.S.C. Section 1001 provides a punishment by a fine
of not more than$25,000 or imprisonment not more than 5 years,or both, for a similar offense.)
3 of 3 Form-A 4/2020

Attachment #1 - Outfall Map
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Attachment #2 - Treatment System Description
Oxford Glen is a steel package plant. Although the influent lift station is below grade, the treatment
processes are predominantly above ground. Since CLTWater purchased the plant in 2016, several significant
improvements have been made at this facility including new blowers for RAS and EQ aeration, a new effluent
flow meter, and a 1000-gallon chemical feed tank for pH and alkalinity control.
• Influent lift station
• 1000-gallon chemical feed tank for pH and alkalinity control
• Bar screen
• Aerated equalization basin
• Two (2) aeration basins (connected in series)
• Rectangular clarifier
• Ultraviolet light disinfection system
• Back-up chlorine contact chamber with tablet-type chlorination and dechlorination
• Continuous-recording flow measuring device
• Dual (2) tertiary sand filters
• Filter backwash tank
• Post aeration
• Aerobic sludge digester
• Stand-by power