NCG590005_Renewal Application_20190221 (2)

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LINDA CULPEPPER NORTH CAROLINA
Dire(tor Environmental Quality
February 21, 2019
Jerry Church
Town of Granite Falls
PO Drawer 10
Granite Falls, NC 28630
Subject: Permit Renewal
Application No. NCG590005
Granite Falls WTP
Caldwell County
Dear Applicant:
The Water Quality Permitting Section acknowledges the February 19, 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. 150E-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: 1
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
-.2i9C-A`44S1
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
ec: WQPS Laserfiche File w/application
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Barry Hayes 04GH�, NI),
Mayor Council Members
Dr. Caryl B. Burns LarryKnigh
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Mayor Pro Tern
Jim Mackie
CAR\p A'CFO a�
Jerry T. Church 9R1'1/CARO`v Mike Mackie
Town Manager Martin D.Townsend
[e-mail] TOWN OF GRANITE FALLS Tracy Townsend
Mr. Charles Weaver
NC DEQ/DWR/NPDES
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
RE: Request for General Permit Renewal
Town of Granite Falls Alum Sludge Facility RECEIVED/DE.NR/DWR
Permit Number NCG590005
FEB 19 2019
Water Resources
Permitting Section
Dear Mr. Weaver,
Enclosed please find one(1) signed original and two(2)copies of the Application for Renewal of
Coverage under General Permit for the Town of Granite Falls Alum Sludge Facility.
If any additional information is required to process this permit application or if I can be of any further
assistance please let me know. My telephone number is(828)396-2989, and email address is
[e-mail]
Sincere
Randy L. Smith
Public Works Director/Interim Water Resources Director
P.O.Drawer 10•Granite Falls,North Carolina 28630-0010•Phone[phone] •Fax[phone]
www.granitefallsnc.com

DC DEQ / Division of Water Resources
National Pollutant Discharge Elimination System (NPDES)
Application for Renewal of Coverage Under General Permit
NCG590000
NOTICE OF INTENT RECEIVED/DENS©WR
[Required by 15A NCAC 02H .0127(d)]; [term definition see 15A NCAC 02H .0103(19)]
This application is for renewal of existing coverage under NCG590000. FEB 1 9 2019
Water Resources
Existing Certificate of Coverage (CoC) Number: NCG590005 Permitting Section
(Please print or type)
1) Mailing address of owner/operator(address to which all permit correspondence will be mailed):
Organization Name Town of Granite Falls
Contact Person Jerry Church
Street Address 30 Park Square
City Granite Falls State NC ZIP 28630
Telephone# [phone] email [e-mail]
2) Location of facility producing discharge:
Facility Name Town of Granite Falls Water Plant Alum Sludge Facility
Facility Contact Randy L Smith
Street Address 100 Lakeside Ave
City Granite Falls State NC ZIP 28630
County Caldwell
Telephone# [phone] Fax [phone]
3) Physical location information:
Please provide a narrative description of how to get to the facility (use street names, state road numbers, and distance
and direction from a roadway intersection).
From Granite Falls Main Street(321A) turn southwest onto Lakeside Ave. Drive 0.7 miles.to 100 Lakeside Ave.
The facility will be on the right
(A copy of a county map or USGS quad sheet with facility clearly located on the map is required to be submitted
with this application.)
4) System operator/Consultant ID: (if different from Owner)
Company Name
Company Contact
Street Address
City State: ZIP
County
Telephone# Fax#
Email Address
Page 1 of 4 Revised 2/1/2019

NCG590000 Renewal Application
5) Type of treatment plant proposed:
x❑ Conventional(Includes coagulation, flocculation, and sedimentation, usually followed by filtration and
disinfection)
❑ Green Sand Filter(No sodium recharge)
Check here if the treatment process also uses a water softener ❑
6) Provide a description of source water(s) (i.e. groundwater, surface water):
Surface Water
a) If groundwater is the source water, identify the well locations on the topographic map requested under Additional
Application Requirements listed below in(a).
b) If surface water is the source water, identify the water intake location on the topographic map requested below
under Additional Application Requirements(a).
7) Describe the treatment process(es) for the raw water:
1) Chemical addition : Sodium Hypochlorite,Polymer,Sodium permanganate and Aluminum Sulfate
2) Coagulation and Flocculation 3)Sedimentation and Clarification 4) Filtration 5) Disinfection
6)Post Chemical addition: Sodium Hypochlorite,Fluoride,Lime 7) Storage/Distribution
8) Describe the wastewater and the treatment process(es) for any wastewaters generated by the water
treatment facility:
Backwash water from filters plus alum sludge water from the holding tank make up the wastewater.
The waste water is allowed to settle and the clear supernatant is decanted and discharged onto a sand
bed filter. The wastewater is filtered through course sand and discharged into Lake Rhodhiss.
9) Description of discharge: [Required by 15A NCAC 02H .0105(c)(1)]
a) Is the discharge directly to the receiving water? x❑ Yes ❑ No- If no,submit a site map with the pathway to the
potential receiving waters clearly marked.
b) Number of discharge points(ditches,pipes, etc.that convey wastewater from the property): 1
c) Volume of discharge per each discharge point(in GPD): 50,000 gpd average
10) Discharge frequency: [Required by 15A NCAC 02H .0105(c)(1)]
a) The discharge is: ❑ Continuous
x❑ Intermittent- If the discharge is intermittent, describe when the discharge will occur and
the duration:
Discharge will occur on average 2 times a week for 1 to 2 hours
e) Solids disposal method: Land Application
11) Receiving waters: [Required by 15A NCAC 02H .0105(c)(1)]
a) What is the name of the body or bodies of water (creek, stream, river, lake, etc.) that the facility wastewater
discharges into? If the wastewater discharge is to a separate storm sewer system (4S), name the operator of the 4S
(e.g. City of Raleigh). Lake Rhodhiss
Page 2 of 4 Revised 2/1/2019

NCG590000 Renewal Application
b) Stream Classification(i.e. WS-IV,C, SA,etc): WS-IV& B CA
12) What is the design potable flow for the water treatment plant? 2.5 MGD
Designed backwash determined 0.05 MGD
13) Please identify if any of the following water treatment additives are planned to be used and have the
potential to be discharged.
Alum/aluminum sulfate x❑ Yes ❑ No
Iron sulfate/ferrous sulfate ❑ Yes x❑ No
Fluoride x❑ Yes ❑ No
Ammonia nitrogen/Chloramines ❑ Yes x❑ No
Zinc-orthophosphate or sweetwater CP1236 ❑ Yes x❑ No
List any other chemicals,water treatment additives, inhibitors,or disinfectants planned to be used and have the potential
to be discharged below:
Sodium Hypochlorite,Aluminum Sulfite,Polymer,Sodium Permanganate,Carbon( In case of Algae Bloom)
Lime, Fluoride
14) Is this facility located on Indian country? (check one)
❑ Yes x❑ No
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] where chemical(s)are added
and how all discharges are routed to an outfall [including stormwater if storm drains mix
with wastewaters].
16) Does this facility have any other NPDES permits [term definition see l5A NCAC 02H .0103(15)]?
❑ Yes-If yes, list the permit numbers for all current NPDES permits for this facility:
XD No
Additional Application Requirements:
For new or proposed discharges, the following information must be included in triplicate with this application or it will
be returned as incomplete;per 15A NCAC 02H .0105(c).
a) A site map clearly tracing the pathway from the facility's treatment system effluent discharge to its discharge point,
if the discharge is not directly to a stream. Provide the latitude and longitude of each discharge location.
b) If the discharge will cross or empty into any easements, right-of-ways, or other public/private property, i.e. DOT,
utilities, ditches, etc., before entering the permitted discharge stream, proof that approval was received from the
appropriate landowners and/or agencies must be provided prior to issuance of the permit.
Page 3 of 4 Revised 2/1/2019

NCG590000 Renewal Application
c) If this application is being submitted by a consulting engineer (or engineering firm), include documentation from
the applicant showing that the engineer (or firm) submitting the application has been designated an authorized
representative of the applicant;per 15A NCAC 02H .0138(b)(1).
d) Analytical monitoring data from the source water/wells which sufficiently characterizes the type and concentration
of contaminants to be discharged. The data provided must be no older than one year prior to the date of this
application. At a minimum, the following parameters must be reported: TSS, Manganese, Iron, pH, Turbidity,
Dissolved oxygen,Fluoride,Zinc,and Ammonia-Nitrogen.
CERTIFICATION
I certify that I am familiar with the information contained in this application and that to the best of my knowledge
and belief such information is true, complete, and accurate.
Printed Name of Person Signing: Randy L Smith
Title: Public Works Director
(Plea • NCAC 02H .0106(0 for authorized signing officials)
A// /1
(Signature of Applicant) (Date Sign 1
North Carolina General Statute& 143-215.6B provides that:
Any person who knowingly makes any false statement representation, or certification in any application, record,report,
plan,or other document filed or required to be maintained under this Article or a rule implementing this Article; or who
knowingly makes a false statement of a material fact in a rulemaking proceeding or contested case under this Article;or
who falsifies, tampers with, or knowingly renders inaccurate any recording or monitoring device or method required to
be operated or maintained under this Article or rules of the Commission implementing this Article, shall be guilty of a
Class 2 misdemeanor which may include a fine not to exceed ten thousand dollars ($10,000). 18 U.S.C. Section 1001
provides a punishment by a fine or imprisonment not more than 5 years,or both,for a similar offense.
♦ ♦ ♦ ♦ ♦
Mail this application package to:
NC DEQ/DWR/NPDES
1617 Mail Service Center
Raleigh,North Carolina 27699-1617
Attn: Charles Weaver
Note: The submission of this document does not guarantee the issuance of an NPDES permit.
Page 4 of 4 Revised 2/1/2019

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NCG590005 - Granite Falls WTP Facility
Latitude: 35° 47' 13" N USGS Quad: Granite Falls,N.C. Location
Longitude: 81°26'29" W Stream Class: WS-IV&B CA
Sub-Basin: 03-08-31
Receiving Stream: Lake Rhodhiss(Catawba River) lleii�Q Caldwell County
�'�` Map not to scale

Schematic Diagram of the Granite Falls Water Treatment Plant Facility
- Aluminum Sulfate - Post Sodium Hypochlorite
- Polymer - Fluoride
- Pre-Sodium Hypochlorite - Lime
I I
I
SED 1 F1
Lake Rhodhiss SED 2 F2
Intake (RW1)
SED 3 F3
Lake Rhodhiss Flash Mix Flock Basin Ilk NO Clear Well Clear Well Clear Well
Intake (RW2) SED 4 F4 30,000 GAL 200,000 GAL 500,000 GAL
SED 5 F5
-Sodium Permanganate
* Activated carbon SED 6 F6 System
(Used for Taste and Odor problems during
algae blooms)
* * Waste *I
I
Alum Sludge
Lake Sand Filter Facility Land Application
Rhodhiss 4 250,000 00 Gal
5 O