NCG590013_Renewal Application_20190201

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Sludge Management Narrative
City of Burlington NPDES Permit
Permit #: NCG590013
Date: December 28, 2018
The solids that are generated during the course of the water purification process is classified as a Class
A product. The method of disposal satisfies the requirements of the 40 CFR 503 biosolids regulations and
the 40 CFR 257 Solid waste disposal regulations. The treatment plant participates in a land application
sludge management program under non-discharge permit number WQ0000520 issued by
NCDENR/DWQ to the City of Burlington.
The sludge management program includes disposal of the water plant sludge (Total of 4,264,000 gallons
in 2017 and 2018) on participating farmland. The treatment plant settling lagoons thicken the sludge by
gravity. Thickened sludge can be combined with wastewater plant biosolids for land application, or
applied directly to farmland. Our practice is to top dress the water plant sludge with either nitrogen
fertilizer, potassium, or biosolids to improve the nutrient value to the farmer.
The City has permitted 2,995.90 acres for the sludge management program. The City contracts with a
biosolids management company to perform the site applications and assist with record keeping and
reporting. Annual reports are submitted to the USEPA and the NCDENR.
Respectfully Submitted,
V/,,,_, ' ,)
Dennis Thomas
Chief Operator,JD Mackintosh,Jr.WTP
City of Burlington
DKT:ead
Y:\Permits\NPDES-JDMWTP\NPDES Permit Renewal_1DMWTP_SludgeManagementNarrative_2018.doc

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ARCHITECTS AND ENGINEERS

NPDES PERMIT NUMBER - NCG590013
City of Burlington
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Y:\Permits\NPDES-JDMWTP\MackintoshLagoonDischarge Diagram.doc

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ROY COOPER ..4,
Governor ,,, ,t `, '`'
MICHAEL S.REGAN `
Secretary geuwvA'
LINDA CULPEPPER NORTH CAROLINA
Director Environmental Quality
January 28, 2019
Eric A. Davis
City of Burlington
PO Box 1358 •
Burlington, NC 27216-1358
Subject: Permit Renewal
Application No. NCG590013
J.D. Mackintosh,Jr. WTP
Alamance County
Dear Applicant:
The Water Quality Permitting Section acknowledges the January 23, 2019 receipt of your permit renewal application and
supporting documentation. Your application will be assigned to a permit writer within the Section's NPDES WW permitting
branch. Per G.S. 150B-3 your current permit does not expire until permit decision on the application is made.
Continuation of the current permit is contingent on timely and sufficient application for renewal of the current permit.The
permit writer will contact you if additional information is required to complete your permit renewal. Please respond in a
timely manner to requests for additional information necessary to allow a complete review of the application and renewal
of the permit.
Information regarding the status of your renewal application can be found online using the Department of Environmental
Quality's Environmental Application Tracker at:
https://deq.nc.gov/permits-regulations/permit-guidance/environmental-application-tracker
If you have any additional questions about the permit, please contact the primary reviewer of the application using the
links available within the Application Tracker.
Sincerely,
ikrik-'
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
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�e�°T° - City of Burlington
w , Telephone[phone] ♦ Fax[phone]
r, - P.O. Box 1358
r` -.4'RTeo Burlington,NC 27216-1358
Request to Renew NPDES Permit
City of Burlington NPDES Permit
Permit #: NC0023828
Date: January 15, 2019
el�lrle:v���DE��®�R
Ms. Wren Thedford JAN 2 3 2019
NCDENR/DWQ/NPDES Water R?sources
1617 Mail Service Center Permitting Section
Raleigh, NC 27699-1617
SUBJECT: NPDES Renewal for Permit# NCG590013—JD Mackintosh WTP Program
Dear Ms.Thedford,
The City of Burlington, NC requests renewal on NPDES Permit# NCG590013 which is scheduled to
expire on July 31, 2019. Enclosed are one original and two copies of the NPDES Short Form C.
In addition, we have included a Sludge Management narrative and diagrams showing discharge
monitoring locations and stormwater outfall locations.
Thank you for your consideration of this permit renewal. ,
Please contact us if you have questions for us regarding this package
Respectfully Submitted,
Eric A. Davis
Water&Sewer Operations Manager
City of Burlington
Y:\Permits\NPDES-JDMWTP\NPDES Permit Renewal Letter JDMWTP 2015 doc

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Mail the complete application to: P
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit Number INCG590013
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 type.
1. Contact Information:
Owner Name CITY OF BURLINGTON
Facility Name JD MACKINTOSH JR. VVTP
Mailing Address P.O. BOX 1358
City BURLINGTON
State / Zip Code NC / 27216
Telephone Number [phone]
Fax Number [phone]
e-mail Address [e-mail]
2. Location of facility producing discharge:
Check here if same as above 0
Street Address or State Road 3400 HARRIS ROAD
City BURLINGTON
State / Zip Code NC / 27217
County ALAMANCE
3. Operator Information:
Name of the firm, consultant or other entity that operates the facility. (Note that this is not referring to the
Operator in Responsible Charge or ORC)
Name CITY OF BURLINGTON
Mailing Address P.O. BOX 1358
City BURLINGTON
State / Zip Code NC / 27216
Telephone Number [phone]
Fax Number [phone]
4. Ownership Status:
Federal ❑
State ❑ Private ❑ Public Q
5. Type of treatment plant:
Version 5/2012
Page 1 of 4

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Q Conventional (Includes coagulation, flocculation, and sedimentation, usually followed by
filtration and disinfection)
❑ Ion Exchange (Sodium Cycle Cationic ion exchange)
❑ Green Sand Filter (No sodium recharge)
❑ Membrane Technology (RO, nanofiltration)
Check here if the treatment process also uses a water softener ❑
6. Description of source water(s) (i.e.groundwater, surface water)
SURFACE WATER - 7.5 BILLION GALLON IMPOUNDMENT OF THE BIG ALAMANCE CREEK
7. Describe the treatment process(es) for the raw water:
PRETREATMENT(INTERMITTENT) -POTASSIUM PERMANGANATE USED FOR THE
OXIDATION OF DISSOLVED IRON AND MANGANESE.
COAGULATION (ALUM), FLOCCULATION, SEDIMENTATION 1st STAGE DISINFECTION (FREE
CHLORINE), FILTRATION, 2nd STAGE DISINFECTION (FREE CHLORINE), pH ADJUSTMENT
(SODIUM HYDROXIDE), FLORIDATION (HYDROFLUOROSILICIC ACID) CORROSION CONTROL
(ORTHO / POLYPHOSPHATE BLEND), AMMONIA ADDITION
8. Describe the wastewater and the treatment process(es) for wastewater generated by the
facility:
SETTLING IN TWO (2) 470,000 GALLON LAGOONS, DECHLORINATION BY THE ADDITION OF
CALCIUM THIOSULFATE.
9. Number of separate discharge points: 1
Outfall Identification number(s) 001
10. Frequency of discharge: Continuous 0 Intermittent Q
If intermittent:
Days per week discharge occurs: 5.8 DAYS /WEEK Duration: 13.1 HOURS / DAY
*Intermittent discharge estimate calculation is based on total number of hours
run during 2018 divided by 8,760 hours per year times 7 days per week.
11. Plant design potable flowrate 18.0 MGD
Backwash or reject flow 0.091* MGD *Backwash Flow is based on the average daily
backwash flow for the 5-year period beginning on 1/1/2013 and ending on 12/31/2017.
12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitude):
BIG ALAMANCE CREEK-LAT. 36.04083 / LONG, -79.50389 SEE ATTACHED MAP
13. Please list all water treatment additives, including cleaning chemicals or disinfection
treatments, that have the potential to be discharged.
Alum / aluminum sulfate Yes C1 No
Version 5/2012
Page 2 of 4

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Iron sulfate / ferrous sulfate Yes No Q
Fluoride Yes CQ No
Ammonia nitrogen / Chloramines Yes 0 No
Zinc-orthophosphate or sweetwater CP1236 Yes No Q
List any other additives below:
POTASSIUM PERMANGANATE (INTERMITTENT), POLYMER (MEC-FLOC CGP556113)
CORROSION INHIBITOR(ORTHO / POLYPHOSPHATE BLEND), SODIUM HYDROXIDE
POWDERED ACTIVATED CARBON (INTERMITTENT)
14. Is this facility located on Indian country? (check one)
Yes 0 No ICJ
15. Additional Information:
• Provide a schematic of flow through the facility, include flow volumes at all points in
the water treatment process. The plan should show the point[s] of addition for
chemicals and all discharges routed to an,outfall [including stormwater].
• Solids Handling Plan-SOLIDS ARE APPLIED AS SOIL AMMENDMENTS TO LOCAL
FARM FIELDS BY A THIRD PARTY SERVICE PROVIDER.
16, NEW Applicants
Information needed in addition to items 1-15:
• New applicants are highly encouraged to contact a permit coordinator with the
NCDENR Customer Service Center.
Was the Customer Service Center contacted? 0 Yes 0 No
• Analyses of source water collected
• Engineering Alternative Analysis
• Discharges from Ion Exchange and Reverse Osmosis plants shall be evaluated using a
water quality model.
17. 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.
ERIC A. DAVIS WATER RESOURCES OPERATIONS MANAGER
Printed name of Person Signing Title
Signature o Applicant Date
North Carolina General Statute 143-215.6(b)(2)provides that: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 knowingly 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
Version 5/2012
Page 3 of 4

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
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.)
Version 5/2012
Page 4 of 4

cit„,
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aado1 Telephone[phone] ♦ Fax[phone]
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Sludge Management Narrative
City of Burlington NPDES Permit
Permit#: NCG590013
Date: December 28,2018
The solids that are generated during the course of the water purification process is classified as a Class
A product.The method of disposal satisfies the requirements of the 40 CFR 503 biosolids regulations and
the 40 CFR 257 Solid waste disposal regulations. The treatment plant participates in a land application
sludge management program under non-discharge permit number WQ0000520 issued by
NCDENR/DWQ to the City of Burlington.
The sludge management program includes disposal of the water plant sludge (Total of 4,264,000 gallons
in 2017 and 2018) on participating farmland. The treatment plant settling lagoons thicken the sludge by
gravity. Thickened sludge can be combined with wastewater plant biosolids for land application, or
applied directly to farmland. Our practice is to top dress the water plant sludge with either nitrogen
fertilizer, potassium, or biosolids to improve the nutrient value to the farmer.
The City has permitted 2,995.90 acres for the sludge management program. The City contracts with a
biosolids management company to perform the site applications and assist with record keeping and
reporting. Annual reports are submitted to the USEPA and the NCDENR.
Respectfully Submitted,
Ocl,„_ Af.j ,,\
Dennis Thomas
Chief Operator,JD Mackintosh,Jr.WTP
City of Burlington
DKT:ead
Y.\Permits\NPDES-JDMWTP\NPDES Permit Renewal_JDMWTP_SludgeManagementNarrative_2018 doc

JD D. MACKINTOSH WATER TREATMENT PLANT
BURLINGTON,N.C. ELEVATED
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ARCHITECTS AND ENGINEERS

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