NC0087840_Renewal (Application)_20171106

Water Resources
ENVIRONMENTAL OUAUTV
November 06, 2017
Luther Lewis, Mayor
Town of Middlesex
PO Box 69
Middlesex, NC 27557
Subject: Permit Renewal
Application No. NC0087840
Well #4 WTP
Nash County
Dear Applicant:
ROY COOPER
Cawrior
MICHAEL S. REGAN
Secretary
S. JAY ZIMMERMAN
arraor
The Water Quality Permitting Section acknowledges the November 1, 2017 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. 15OB-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-g uidancelenvironmenta I -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.
Sincerely11,
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
cc: Central Files w/application(RRO)
ec: WQPS Laserfiche File w/application
State of North Carolina I Environmental Quality I Water Resources
1617 Mail Service Center I Raleigh, North Carolina 27699-1617
919-807-6300

RECEIVEDINCDEQ/DVWR
October 25, 2017
NOV 01 2017
NCDENR/NC DWQ/NPDES Unit Water Quality
1617 Mail Service Center Permitting Section
Raleigh, NC 27699-1617
Re: NPDES Renewal Package for the Town of fiUdd(,s¢c WTP NCO087840
Dear: Permit Reviewer
Please find enclosed the Town of Middlesex's NPDES Renewal Application for NPDES
Permit # NC0087840. The most recent NPDES permit was issued prior to General
Permits being issued for groundwater filtration facilities. Based on the General Permit
criteria, the Town would like to request that the permit be renewed as a General Permit.
Please let our office know if you have any questions or need additional information.
Sincerely,
, � cveel
Luther H. Lewis, Jr.
Town of Middlesex
Mayor

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Mail the complete application to:
N. C. Department of Environment and Natural Resources
Division of Water Quality / NPDES Unit
1617 Mail Service Center, Raleigh, NC 27699-1617
NPDES Permit Number INCO087840==
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 Town of Middlesex
Facility Name Middlesex Well #4
Mailing Address PO Box 69
City Middlesex
State / Zip Code NC 27557
Telephone Number [phone]
Fax Number [phone]
e-mail Address [e-mail]
2. Location of facility producing discharge:
Check here if same as above ❑
Street Address or State Road 10921 East Finch Street
City Middlesex
State / Zip Code NC 27557
County Nash
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 Envirolink, Inc.
Mailing Address 4700 Homewood Court, Suite 108
City Raleigh
State / Zip Code NC 27609
Telephone Number [phone]
Fax Number [phone]
4. Ownership Status:
Page 1 of Version 5/2012

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Federal ❑ State ❑ Private ❑ Public
5. Type of treatment plant:
❑ 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)
Groundwater
7. Describe the treatment process(es) for the raw water:
The treated water passes through pressure sand filtration to remove oxidized iron and
manganese precipitant. The water then passes by an air stripper to remove VOC's before
distribution to the customers. Water is treated with sodium hypochlorite which is added for
disinfection.
S. Describe the wastewater and the treatment process(es) for wastewater generated by the
facility:
During a filter backwash, the backwash water passes through a sand filter bed and the effluent
is treated with dechlorination tablets before being discharged to the outfall.
9. Number of separate discharge points: 1
Outfall Identification number(s) 001
10. Frequency of discharge: Continuous ❑ Intermittent
If intermittent:
Days per week discharge occurs: 1 Duration: 15 minutes
11. Plant design potable flowrate 0.133 MGD
Backwash or reject flow 0.005/event MGD
12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitude):
Unnamed Tributary to Turkey Creek
13. Please list all water treatment additives, including cleaning chemicals or disinfection
treatments, that have the potential to be discharged.
Page 2 of 4 Version 5/2012

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
Alum / aluminum sulfate Yes No X
Iron sulfate / ferrous sulfate Yes No X
Fluoride Yes No X
Ammonia nitrogen / Chloramines Yes No X
Zinc -orthophosphate or sweetwater CP1236 Yes No X
List any other additives below:
Sodium Hypochlorite for disinfection
14. Is this facility located on Indian country? (check one)
Yes ❑
�.
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
16. NEW Applicants
Information needed in addition to items 1-1 S.
New applicants are highly encouraged to contact a permit coordinator with the
NCDENR Customer Service Center.
Was the Customer Service Center contacted? ❑ Yes ❑ 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.
name of
of
Title
0- W,
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 underAnccle 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
Page 3 of 4 Version 5/2012

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
imprisonment not to exceed sic 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 )
Page 4 of 4 Version 5/2012

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Town of Middlesex Solids Handling Plan
NPDES Permit # NC0087840
Well #4
Presently the Town of Middlesex Filters are backwashed on a weekly basis. The backwash
effluent is discharged to a sand filter drying bed at Well Lot #4. When the Operator in
Responsible Charge concludes there is enough material to dispose of, a private sludge
contractor will be retained to properly dispose of the solids in accordance with all State and
Federal Regulations.

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Town of Middlesex - NCO087840 Facility
Location _ _ -a; 7 }
USGS Quad Name: Middlesex Lat.: 35047'28" A `�
Receiving Stream: UT to Turkey Creek Long.: 78'11'32"
Stream Class: C-NSW Not to SCALE
Subbasin: Broad - 030407 orth