NC0084565_Renewal Application_20170915

Water Resources
ENVIRONMENTAL QUALITY
September 15, 2017
Robert Degabrielle
Carolina Water Service Inc of North Carolina
PO Box 240908
Charlotte, NC 28224-0908
Subject: Permit Renewal
Application No. NCO084565
The Harbour - Wells 1 & 2 WTP
Iredell County
Dear Applicant:
ROY COOPER
Caverna
MICHAEL S. REGAN
seemory
S. JAY ZIMMERMAN
Dlrretor
The Water Quality Permitting Section acknowledges the September 15, 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://deg.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, j
�Jo((
Wren Thedford
Administrative Assistant
Water Quality Permitting Section
cc: Central Files w/application (MRO)
ec: WQPS Laserfiche File w/application
State of North Carolina I Environmental Quality I Water Resources
1617 Marl Service Center I Raleigh, North Carolina 27699-1617
919-807-6300

^' f� Carolina Water Service
of North Carolina*"
September 14, 2017
Mr. Wren Thedford
NC DENR
Division of Water Resources
NPDES Unit
1617 Mail Service Center
Raleigh NC 27699-1617
Re: The Harbour Well 1 & 2 WTP
NPDES NCO084565
Sludge Management Plan
Dear Mr. Thedford,
RECEIVEMCDENWR
SEP 15 2017
Water Quality
Permitting Section
No sludge is generated from this facility, based on the type of discharge from the ion exchange
softening equipment; there is currently no sludge management plan for this facility. This water
treatment facility produces drinking water for the water system serving this community. Should
the need arise to clean out the tanks our local pump truck contractor will be contacted.
L&L Environmental Services
P.O. Box 19491
Phone; 704-332-0911
If you should have any questions or need any additional information, please do not hesitate to
call me at 704-319-0523 or by email at [e-mail].
Thank you in advance for your attention.
Sincerely,
Manager
• 4944 Parkway Plaza Blvd Ste 375 • Charlotte, North Carolina 28217 • 800-525-7990

Carolina Water Service
r�'Q of North Carolina"
September 14, 2017
Mr. Wren Thedford
NC DENR
Division of Water Resources
NPDES Unit
1617 Mail Service Center
Raleigh NC 27699-1617
Re: The Harbour Well # 1 & 2 WTP
NPDES NCO084565
Renewal Request
Dear Mr. Thedford,
Please find enclosed Application and attachments and consider this letter as our official request
to renew the NPDES permit for the facility referenced above.
If you should have any questions or need any additional information, please do not hesitate to
call me at 704-319-0523 or by email at [e-mail]
Thank you in advance for your attention.
Sincerely,
Qeginy Kon ul
onal Manager
• 4944 Parkway Plaza Blvd Ste 375 • Charlotte, North Carolina 28217 • 800-525-7990

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 INCO084565
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
Facility Name
Mailing Address
City
State / Zip Code
Telephone Number
Fax Number
e-mail Address
Carolina Water Service, Inc of NC
The Harbour - Wells 1 & 2 WTP
P.O Box 240908
Charlotte
NC, 28224
[phone]
[phone]
[e-mail]
2. Location of facility producing discharge:
Check here if same as above ❑
Street Address or State Road 200 Bay Harbour Road
City Mooresville
State / Zip Code NC, 28117
County Iredell
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 Carolina Water Service, Inc of NC
Mailing Address P.O. Box 240908
City
State / Zip Code
Telephone Number
Fax Number
4. Ownership Status:
Federal ❑
Charlotte
NC, 28224
[phone]
[phone]
State ❑ Private ® Public ❑
Page I of 3 C-WTP 06/2009

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
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)
Ground water ( Well )
7. Describe the treatment process(es) for the raw water:
The facility is a potable water sodium cycle ion exchange for water hardness. The
existing filters use a cation exchange resin for hardness removal (CaCO3) removal from
well water. The back wash water is de -chlorinated using sodium metabisulfite..
8. Describe the wastewater and the treatment process(es) for wastewater generated by the
facility:
The discharge from the softener backwash is not continuous and happens only when the
softeners need to be regenerated based on a predetermined actual flow use. Backwash
from the softeners flow into two concrete settling tanks that are used for treatment.
9. Number of separate discharge points: 1 Outfall Identification number(s) 001
10. Design capacity of the wastewater treatment facility: N/A MGD.
Frequency of discharge: Continuous ❑ Intermittent
If intermittent:
Days per week discharge occurs: 7 Duration: 100 minutes
Estimate the total amount of wastewater discharged to waters of the State:
Daily Average —0.0014 -MGD Daily Maximum —0.1880—MGD
11. Wastewater produced with each backwash or reject flow occurrence -.0098 MGD.
Average number of times backwashing occurs per day 1.9 . (monthly average)
Design capacity of the Water Treatment Plant to produce potable water .056 MGD.
If producing less than design, average amount of potable water produced? -N/A MGD.
(monthly average)
12. Name of receiving stream(s) (Provide a map showing the exact location of each outfall, including
latitude and longitude):
Unnamed tributary to Lake Norman(Catawba River)
Page 2 of 3 C-WTP 06/2009

NPDES PERMIT APPLICATION - SHORT FORM C - WTP
For discharges associated with water treatment plants
13. Critical low flow of receiving stream (summer 7Q10): 0 cfs
If unknown, contact USGS by calling toll-free 1-888-ASK-USGS (1-888-275-8747)
or using the USGS website at http://nc.water.usgs.gov/
14. Please list all water treatment additives, including cleaning chemicals or disinfection
treatments that have the potential to be discharged.
Sodium Hypochlorite
Sodium Chloride (Salt)
Please answer the following basic questions about your additives: (circle one)
Does the facility backwash with fluoridated, finished water? r v
Does the facility use zinc orthophosphate as a corrosive inhibitor? EN
No
Does the facility use chloramination (add ammonia) as a disinfectant? 11—N
Does the facility backwash with chlorinated, finished water? des
15. Is this facility located on Indian country? (check one)
Yes ❑ No
16. Additional Information:
Provide a schematic of flow through the facility, include flow volumes at all points in the
treatment process, and point of addition of chemicals.
Solids Handling Plan
17. NEW Applicants
Information needed in addition to items 1-15:
New applicants must 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
18. 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.
Printed nafne'f Person Slinhha \ 1 Title
Signature of Applicant "" Date
North Carolina eneral Statute 143-215.6 (b)(2) provides that Any person who knowingly makes any false statement representation, or certification in
aiii gape on, 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 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)
Page 3 of 3 C-WTP 06/2009