NC0088722_Speculative Limits_20170726

NPDES DOCUMENT SCANNING COVER SHEET
NPDES
Permit:
NC0088722
Killian Creek WWTP
Document Type:
Permit Issuance
Wasteload Allocation
Authorization to Construct (AtC)
Permit Modification
Complete File - Historical
Engineering Alternatives (EAA)
Report
Instream Assessment (67b)
Speculative Limits
Environmental Assessment (EA)
Document Date:
July 26, 2017
This document is printed on reuse paper - ignore any
content on the reirerse side

ROY COOPER
rti,vinu
Water Resources
LNVIRONMENrAL OU ALIT
July 26, 2017
Mr. Don Chamblee, Public Works Director
Lincoln County
115 West Main St.
2nd Floor Citizens Center
Lincolnton, North Carolina 28092
Dear Mr. Chamblee:
MICIHAEL S. REGAN
S. JAY ZIMMERMAN
Subject: Speculative Effluent Limits
Killian Creek WWTP
Permit No. NC0088722
Lincoln County
Catawba River Basin
This letter provides speculative effluent limits for 4.9 MGD and 6.6 MGD at the Killian Creek
WWTP. The Division received the speculative limits request in a letter dated February 20, 2017.
Please recognize that speculative limits may change based on future water quality initiatives, and
it is highly recommended that the applicant verify the speculative limits with the Division's
NPDES Unit prior to any engineering design work.
Receiving Stream. Killian Creek is located within the Catawba River Basin. Killian Creek has a
stream classification of C. Waters with C classification have a best usage for aquatic life
propagation and maintenance of biological integrity, wildlife, secondary recreation and
agriculture. The USGS provided flow statistics for Killian Creek on June 2, 2017. For the
discharge location the summer 7Q10 flow is 3.1 cfs, winter 7Q10 flow is 7.5 cfs, and an annual
30Q2 is 10.8 cfs. Please note these values are slightly different than previously used in the
permit. The previous permit listed the drainage area as 36 mi2. This area corresponds to the area
at the Killian Creek USGS station near Mariposa. The drainage area at the point of discharge
was verified as 46.8 mi2.
Killian Creek is not currently listed as an impaired waterbody on the draft 2016 North
Carolina 303(d) Impaired Waters List.
Based upon a review of information available from the North Carolina Natural Heritage
Program Online Map Viewer, there are not any Federally Listed threatened or endangered
aquatic species identified within a 5 mile radius of the proposed discharge location.
peculative Effluent Limits. Based on Division review of receiving stream conditions,
speculative limits for the proposed expansion to 4.9 and 6.6 MGD are presented in Table 1. A
complete evaluation of these limits and monitoring requirements for metals and other
toxicants, as well as potential instream monitoring requirements, will be addressed upon
State of North Carolina I Environmental Quality I Water Resources
1617 Mail Service Center I Raleigh, North Carolina 27699-1617

receipt of a formal NPDES permit application. Some features of the speculative limit
development include the following:
• BOD/ NH3 Limits. A level B model was developed to evaluate limits for BOD and
ammonia. The model predicted that effluent concentrations of 5 mg/1BOD and 1 mg/1
ammonia will not cause exceedances in the dissolved oxygen instream standard for
both proposed flow scenarios.
• Total Nitrogen/Total Phosphorus. The Division developed a Nutrient Management
Strategy for Lake Wylie in 1995 due to eutrophic conditions in the lake. The Lake Wylie
Nutrient Management Area encompasses Lake Wylie and its tributaries including the
Catawba River and its tributaries below Mountain Island Dam. Killian Creek is a
tributary to the Catawba River within the Lake Wylie Management Area. The strategy
for expansions of existing discharges presented in the 1995 Catawba River Basin Plan
recommends the use of advanced nutrient removal technology. For expanding
facilities with permitted flows greater than 1 MGD the strategy recommends monthly
average limits of 1 mg/1 Total Phosphorus (TP) and 6 mg/1 Total Nitrogen (TN) (TN
applies April to October only).
TABLE 1. Speculative Limits for the Killian Creek WW FP (Proposed Expansion to 4.9
MGD and 6.6 MGD)
Effluent Characteristic
Effluent Limitations
Monthly Average
Weekly Average
Daily
Maximum
Flow
4.9 MGD / 6.6 MGD
BOD5
5 mg/L
7.5 mg/L
NH3asN
1mg/L
3mg/L
Dissolved Oxygen
(minimum)
5.0 mg/L
TSS
30 mg/ L
45 mg/ L
TRC
28 ug/1
Fecal coliform
(geometric mean)
200/100 ml
400/100 ml
Total Nitrogen
6 mg/1 (April - October)
Total Phosphorus
1 mg/I
Chronic Toxicity
Pass/Fail (Quarterly
test)
71 % / 77%
Engineering Alternatives Analysis (EAA). Please note that the Division cannot guarantee that
an NPDES permit for a new or expanding discharge will be issued with these speculative
limits. Final decisions can only be made after the Division receives and evaluates a formal
permit application for the new/ expanded discharge. In accordance with North Carolina
Administrative Code 15A NCAC 2H.0105(c), the most environmentally sound alternative

should be selected from all reasonably cost effective options. Therefore, as a component of
all NPDES permit applications for new or expanding flow, a detailed engineering alternatives
analysis (EAA) must be prepared. The EAA must justify requested flows and provide an
analysis of potential wastewater treatment alternatives. A copy of the Division guidance for
preparing EAA documents is attached.
State Environmental Policy Act (SEPA) EA/ EIS Requirements. A SEPA EA/EIS document
may be required for projects that: 1) involve $10 Million or more of state funds; or 2) will
significantly and permanently impact 10 or more acres of public lands. Please check with the
DWR SEPA coordinator (David Wainwright, 919-807-6442) as to whether your project
requires SEPA review. For projects that are subject to SEPA, the EAA requirements discussed
above will need to be folded into the SEPA document. Additionally, if subject to SEPA, the
NPDES U4t will not accept an NPDES permit application for a new/expanding discharge
until the Division has approved the SEPA document and sent a Finding of No Significant
Impact (FO\ISI) to the State Clearinghouse for review and comment.
Should yoi have any questions about these speculative limits or NPDES permitting
requirements, please feel free to contact Teresa Rodriguez at [phone] or Julie Grzyb at
(919) 807- • 90.
Attachmen
Hardcopy:
Cen
NP
Electronic
DW
D
DW
Respectfully,
ulie Grzyt,7,,Ter
b
Y
Supervisor, NPDES Complex Permitting Unit
EAA Guidance Document
al Files
ES Permit File
opy:
/Mooresville Regional Office/Water Quality Permitting
/Basinwide Planning, Ian McMillan
/NPDES Server>Specs

COUNTY OF LINCOLN, NORTH CAROLINA
1 1 5 WEST MAIN STREET, FLOOR CITIZENS CENTER, LINCOLNTON, NORTH CAROLINA 28092
DEPARTMENT OF PUBLIC WORKS
PHONE [phone]
FAX [phone]
February 20, 2017
Mr. Tom Bel ick
Supervisor DES Permitting
NC Division of Water Resources
1617 Mail Service Center
Raleigh, NC 27699-1617
Re: Speculative Effluent Limits
Proposed Killian Creek WWTP Upgrade
NPDF�S Permit No. NC0088722
Lincoln County, NC
Dear Mr. Beliick:
RECEIVEDINCDEQIDUVR
FEB 2 7 2017
Water Quality
Permitting Section
As the committed flows to the Killian Creek WWTP continue to increase, Lincoln County is
initiating actions to begin planning for the future expansion of the Killian Creek WWTP from the
current permitted capacity of 3.35 mgd to future capacity of 6.6 mgd.
This letter is formally request speculative effluent limits for the future expansion of the Killian
Creek WWT at tiered flows of 4.9 mgd and 6.6 mgd. The current NPDES Permit lists the
following infgrmation facts for the Killian Creek WWTP discharge:
R4ceiving Stream
Killian Creek
Stream Classification
C
303 (d) Listed?
Yes
Subbasin
03-08-33
Drainage Area (mi2)
36
Simmer 7Q10 (cfs)
2.4
Winter 7Q10 (cfs)
6.1
30Q2 (cfs)
8.4
Average Flow (cfs)
40.6
Latitude / Longitude
Lat. 35° 25' 24" N
Long. 81°07' 50" W

COUNTY OF LINCOLN, NORTH CAROLINA
115 WEST MAIN STREET, 2ND FLOOR CITIZENS CENTER, LINCOLNTON, NORTH CAROLINA 28092
DEPARTMEN OF PUBLIC WORKS
PHONE [phone]
FAX [phone]
It is further nl)ted that speculative limits were provided for the original facility at 7.0 mgd (Site
1) in a NC Di!vision of Water Quality speculative effluent limits letter of March 18, 2004.
Should you need any additional information, please contact our engineer, Charles R.
Froneberger, P.E. with WK Dickson & Co., Inc. at email [e-mail].
Sincerely,
Don Chamblee
Public Works Director
Lincoln County

Speculative Limits Notes
Lincoln County NC0088722
Date: 7/13/2017
Summary:
Lincoln County operates the Killian Creek WWTP, actual capacity 3.35 MGD. A request for speculative
limits was submitted on February 20, 2017. Speculative limits requested for 4.9 MGD and 6.6 MGD.
Stream Inform tion:
Proposed locat on — Killian Creek (same as existing discharge)
Lat 35° 25' 24" Long 81° 06' 50"
Stream Classifi ation: C
Subbasin 03-08-33
Stream index No.: 11-119-2-(0.5)
303(d) list: No
listed
Flow statistics
The USGS provided flow statistics on June 2, 2017. Two stations in Killian Creek we considered to
estimate the fl w statistics: a station near Mariposa with a drainage area of 36.4 mi2 and a station near
Lowesville with drainage area of 47 mi2. There is a water withdrawal for a steam plant upstream of the
discharge at t e Mariposa station. The steam station can't withdraw more than the 7Q10 at the point of
withdrawal. The 7Q10 calculated by the USGS for the discharge location seems appropriate since the
steam station withdrawal is not going to lower the flows beyond those calculated by the USGS.
DA
s7,Q10
w7Q10
Average Flow
30Q2
46.8 mi2
3..
cfs
7.5 cfs
53 cfs
10.8 cfs
Model setup:
The model set up includes one reach for Killian Creek and one on Dutchmans Creek. Killian Creek joins
Dutchman Cr ek 3.6 miles downstream from the discharge site. The segment modeled for Dutchman
Creek extends)I approximately 4.9 miles. The total length modeled was 8.5 miles. There are no other
discharges in this area.
Model results:
4.9 MGD
6.6 MGD
BOD (mg/1)
5
5
NH3N (mg/1)
1
1
Min DO (mg/I)
5.6
5.5
IWC (%) I
71
77

LEVEL B MODEL INFORMATION
Facility Information
Facility Name
NPDES No.
Type of wastewater
Facility status
Receiving stream
Stream class
Subbasin
Lat/Long
County
Lincoln County
NC0088722
domestic
Expansion
Killian Creek
C
03-08-33
35° 25' 24" 81° 01' 50"
Lincoln
Flow Information
Topo Quad
USGS sta. #
Date of flow estimate
Drainage Area (mi`)
Summer7Q10 (cfs)
Winter7Q10 (cfs)
Average flow (cfs)
30Q2 (cfs)
IWC at discharge (%)
Model Input
Segment/Reach
1
2
3
4
5
Length of reach (mi)
3.6
1.8
Incremental length
0.1
0.1
Slope ft/ mile
8.2
4.8
Waste characteristics
WWTP / Permit #
NC0088722
Flow (MGD)
4.9
BOD
5
BOD Multiplier
1.5
CBOD
7.5
NH3N
2
NH3N multiplier
4.5
NBOD
9
DO (mg/I)
5
Background DO (mg/L)
Runoff charactericstics
s7Q10 (cfs/mi)
0.083
0.84
QA (cfs/mi)
1.52
17
CBOD (mg/I)
2
2
2
2
2
NBOD (mg/I)
1
1
1
1
1
DO (mg/I)
Tributary characteristics
Tributary name
DC
s7Q10 (cfs/mi)
3.5
QA (cfs/mi)
82.6
CBOD (mg/I)
NBOD (mg/I)
DO (mg/I)
F14NE
214269560
6/2/2017
47
3.1
7.5
53
10.8
81

SUMMER
Ammonia as NH3
7Q10(cfs)
Design Flow (MGD)
Design Flow (cfs)
Stream Std (mg/I)
ups Bckgrnd Lvl (mg/I)
IWC (%)
Allow Conc. (mg/I)
Resdual Chlorine
7Q10(cfs)
Design Flow (MGD)
Design Flow (cfs)
Stream Std (ug/I)
ups Bckgrnd Lvl (ug/I)
IWC (%)
Allow Conc. (ug/I)
Allowable Waste Concentration
3.1
4.9
7.595
1.0
0.22
71.014
1.32
3.1
4.9
7.595
17.0
0.0
71.014
23.94
WINTER
Ammonia as NH3
7Q10(cfs)
Design Flow (MGD)
Design Flow (cfs)
Stream Std (mg/I)
ups Bckgrnd Lvl (mg/I)
IWC (%)
Allow Conc. (mg/I)
Total Residual Chlorine
1. Cap Daily Max limit at 28 ug/I to protect for acute toxicity
7.5
4.9
7.595
1.8
0.22
50.315
3.36
Ammonia (as NH3-N)
1. If Allowable Conc > 35 mg/I, Monitor Only
2. Monthly Avg limit x 3 = Weekly Avg limit (Municipals); capped at 35 mg/I
3. Monthly Avg limit x 5 = Daily Max limit (Non-Munis); capped at 35 mg/I
4. BAT for Minor Domestics: 2 mg/I (summer) and 4 mg/I (winter)
5. BAT for Major Municipals: 1 mg/I (year-round)
Fecal Coliform
1. Monthly Avg limit x 2 = 400/100 ml = Weekly Avg limit (Municipals) = Daily Max limit (Non -Muni)

SUMMER
Ammonia as NH3
7Q10(cfs)
Design Flow (MGD)
Design Flow (cfs)
Stream Std (mg/I)
ups Bckgrnd Lvl (mg/I)
IWC (%)
Allow Conc. (mgll)
Resdual Chlorine
7Q10(cfs)
Design Flow (MGD)
Design Flow (cfs)
Stream Std (ug/I)
ups Bckgrnd Lvl (ug/I)
IWC (%)
Allow Conc. (ug/l)
Allowable Waste Concentration
3.1
6.6
10.23
1.0
0.22
76.744
1.24
3.1
6.6
10.23
17.0
0.0
76.744
22.15
WINTER
Ammonia as NH3
7Q10(cfs)
Design Flow (MGD)
Design Flow (cfs)
Stream Std (mg/I)
ups Bckgrnd LvI (mg/I)
IWC (%)
Allow Conc. (mg/I)
Total Residual Chlorine
1. Cap Daily Max limit at 28 ug/I to protect for acute toxicity
7.5
6.6
10.23
1.8
0.22
57.699
2.96
Ammonia (as NH3-N)
1, If Allowable Conc > 35 mg/I, Monitor Only
2. Monthly Avg limit x 3 = Weekly Avg limit (Municipals); capped at 35 mg/I
3. Monthly Avg limit x 5 = Daily Max limit (Non-Munis); capped at 35 mg/I
4. BAT for Minor Domestics: 2 mg/I (summer) and 4 mg/I (winter)
5. BAT for Major Municipals: 1 mg/I (year-round)
Fecal Coliform
1. Monthly Avg limit x 2 = 400/100 ml = Weekly Avg limit (Municipals) = Daily Max limit (Non -Muni)

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Rodriguez, Teresa
From: Weaver, John <[e-mail]>
Sent: Friday, June 02, 2017 4:24 PM
To: Bob Froneberger
Cc: Rodriguez, Teresa; Jeanne Robbins; John C Weaver
Subject: Response from USGS concerning...Re: FW: Speculative Limits for City of Lincoln
Mr. Froneberger,
In response to your inqui about the low -flow characteristics (7Q10, 30Q2, W7Q10) for a location on Killian Creek near Lowesville in
southeastern Lincoln Co ty, the following information is provided:
A check of the low -flow 1es here at the USGS South Atlantic Water Science Center (Raleigh office) indicates previous low -flow
determinations at multiple locations upstream and downstream of the specific point of interest, as identified by the lat/long coordinates (35 25
22.5 // 81 01 52) you provided via email dated May 18, 2017. Completed primarily in the 1980's, the low -flow requests were estimated at all
locations (with exception of one) by transfer of flow characteristics from a nearby USGS partial -record site on Killian Creek near Lowesville
(station id 02142710, drainage area 47 sqmi approximate).
No USGS discharge records are likewise known to exist for the point of interest.
In the absence of site -specific discharge records sufficient for a low -flow analysis, estimates of low -flow characteristics at ungaged locations
are determined by assessing a range in the low -flow yields (expressed as flow per square mile drainage area, of cfsm) at nearby sites where
such estimates have previously been determined.
A basin delineation comp) ted using the online USGS StreamStats application for North Carolina
(http://water.usgs.gov/oswstreamstats/north carolina.html) indicates the drainage area for the point of interest (35 25 22.66 // 81 01 47.50)
I. is 46.8 sqmi. 1
For streams in southeaster Lincoln County, low -flow characteristics published by the USGS are provided in the following reports:
(1) The first is a statewide eport completed in the early 1990's. It is USGS Water -Supply Paper 2403, "Low -flow characteristics of streams
in North Carolina" (Giese d Mason, 1993). An online version of the report is available at http://pubs.usgs.gov/wsp/2403/report.pdf. The
report provides the low-fl 1 characteristics (based on data through 1988) via regional relations and at -site values for sites with drainage
basins between 1 and 400 qmi and not considered or known to be affected by regulation and/or diversions.
(2) The second is a statewide report published in March 2015. It is USGS Scientific Investigations Report 2015-5001, "Low -flow
characteristics and flow -duration statistics for selected USGS continuous -record streamgaging stations in North Carolina through 2012"
(Weaver, 2015). The report is available online at http://pubs.usgs.gov/sir/2015/5001/. The report provides updated low -flow characteristics
and flow -duration statistic for 266 active (as of 2012 water year) and discontinued streamgages across the state where a minimum
of 10 climatic years discharge records were available for flow analyses.
For the record, the USGS operates a continuous -record streamgage on Killian Creek near Mariposa (station id 0214269560, drainage area
L36.4 sgmi jwith the period of discharge record from June 1990 to June 1993, December 1994 to present. The streamgage is located at the
Lincoln Combustion Turbi%e Station (owned by Duke Energy) upstream from the point of interest. This station is a power -generation facility
with —daily withdrawals being made from Killian Creek.. The water is withdrawn and later returned to the creek as part of daily power
generation, as dictated by power demands being met by the utiltity.
Information gathered during the process of responding to this request indicates the streamgage is located in the same pool from which the
withdrawals are made at the power facility. Thus, discharge records would be affected by this withdrawal, and the daily mean discharges at
this streamgage are not considered suitable for low -flow analyses.
For the purposes of this response, low -flow discharges were estimated by assessing a range of low -flow yields at nearby USGS sites where
low -flow characteristics were published in the above -referenced reports. Thus it is imperative to understand the low -flow characteristics
provided below reflect con itions not considered or known to affected by upstream regulation or diversions. These estimates do not account
for the effects of the diversions at either the power facility or the existing waste water treatment plant on Killian Creek
1

Inspection of the two reports indicates the presence of five (5) nearby selected USGS partial -record sites (4) and continuous -record
streamgage (1) in general vicinity of the point of interest where low -flow characteristics were published in the first report. Among these 5
sites, the low -flow discharge yields for the indicated flow statistics are as follows:
Annual 7Q10 discharge => from 0.055 to 0.19 cfsm (average about 0.12 cfsm),
Annual 30Q2 discharge ==> from 0.17 to 0.42 cfsm (average about 0.29 cfsm) -
"winter" W7Q10 discharge => from 0.093 and 0.38 cfsm (average about 0.24 cfsm)
Average annual discharge => from about 1.0 to 1.2 cfsm (average about 1.14 cfsm)-
Application of the above range in yields to the drainage area (46.8 sqmi) for the point of interest results in the following estimated low -flow
discharges:
Annual 7Q10 discharge => from 2.6 to 8.9 cfs (average about 5.6 cfs)
Annual 30Q2 discharge => from 8.0 to 19.7 cfs (average about 13.6 cfs)
"winter" W7Q10 discharge => from 4.4 to 17.8 cfs (average about 11.2 cfs)
Average annual discharge => from about 47 to 56 cfs (average about 53 cfs)
Of note, one of the nearby sites is the partial -record site on Killian Creek near Lowesville (station id 02142710, drainage area approximately
47 sqmi) with records of miscellaneous measurements during the 1957-65 water years. This partial -record site is located just downstream
from the point of interest. The low -flow yields at this site are (7Q10) 0.066 cfsm, (30Q2) 0.23 cfsm, and (W7Q10) 0.16 cfsm. All of these
yields tend to be closer to the lower ends of the above yield ranges.
l Application of these yields to the drainage area (46.8 sqmi) for the point of interest results in the following estimated low -flow discharges:
< Annual 7Q10 discharge at 3.1 cfs
J Annual 30Q2 discharge at 10.8 cfs
"winter" W7Q10 at 7.5 cfs.
Given the very close proximity of the partial -record site on Killian Creek to the point of interest on the same stream, the resulting conclusion
is that low -flow yields from this site should be used to estimate the low -flow discharges at the point of interest. However, use of these
estimates should factor two considerations: (1) the actual low -flow discharges may be within the above -stated ranges based on the larger
number of nearby sites, and (2) such estimates do not account for the effects of the upstream power plant and WWTP located on Killian
Creek.
Please note the estimated flows are provided in units of cubic feet per second (cfs).
Please understand the information provided in this message is based on a preliminary assessment and considered provisional, subject to
revision pending further analyses.
Hope this information is helpful.
Thank you.
Curtis Weaver
J. Curtis Weaver, Hydrologist, PE Email: icweaver{&usgs.gov
USGS South Atlantic Water Science Center Online: http://www.usas.4ov/water/southatlantic
North Carolina - South Carolina - Georgia
3916 Sunset Ridge Road
Raleigh, NC 27607
Phone: [phone] // Fax: [phone]
On Thu, May 18, 2017 at 4:39 PM, Bob Froneberger <bfroneberger@a,wkdickson.com> wrote:
Curtis —
2

Rodriguez, Teresa
From: Bob Froneberger <[e-mail]>
Sent: Thursday, May 18, 2017 4:21 PM
To: Rodriguez, Teresa
Subject: RE: Speculative Limits for City of Lincoln
Theresa - Thank you for your email. I will work on the updated flows and advise.
Bob Froneberger, P.E.
Project Manager
WK Dickson & Co., Inc.
616 Colonnade Drive
Charlotte, NC 28205
704-227-3403
704-651-7982 (Cell)
From: Rodriguez, Teresa [mailto:[e-mail]]
Sent: Thursday, May 18, 2017 3:45 PM
To: Bob Froneberger <[e-mail]>
Subject: Speculative Limits for City of Lincoln
Mr. Froneberger, I am working on the speculative limits request for the City of Lincoln. We need updated flow statistics
before we proceed with speculative limits since this is a substantial expansion. The flow statistics (summer and winter
7Q10, 30Q2 and average flow) should be obtained from the USGS. The contact person at the USGS office is J. Curtis
Weaver, email: [e-mail], phone: [phone].
Thanks,
Teresa
Teresa Rodriguez
Environmental Engineer
NC Division of Water Resources
NC Department of Environmental Quality
919 807 6387 office
Teresa.rodriquez(�ncdenr.gov
1617 Mail Service Center
Raleigh, NC 27699-1617
nothing Compares
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
1

Per my phone message of today, WK Dickson has requested speculative NPDES Permit limits for a proposed
expansion of the Killian Creek WWTP located on Killian Creek nears Lowesville in eastern Lincoln County,
NC. Attached is an aerial Google Earth map with the related approximate latitude — longitude of the discharge.
I believe there may be a USGS monitoring station located at the Duke Energy Combustion Turbine Plant
immediately upstream of this facility.
DENR is requesting flow statistics (summer and winter 7Q10, 30Q2 and average flow). Can you assist with
this information? If there is anything additional you need, please let me know.
Thank you.
Bob Froneberger, P
Project Manager
WK Dickson & Co.
E.
Inc.
616 Colonnade Drive
Charlotte, NC 28205
704-227-3403
704-651-7982 (Cell)
From: Rodriguez, Teresa [mailto:[e-mail]]
Sent: Thursday, Mary 18, 2017 3:45 PM
To: Bob Froneberg9r <[e-mail]>
Subject: Speculative Limits for City of Lincoln
Mr. Froneberger, I am working on the speculative limits request for the City of Lincoln. We need updated
flow statistics before we proceed with speculative limits since this is a substantial expansion. The flow
statistics (summer and winter 7Q10, 30Q2 and average flow) should be obtained from the USGS. The contact
person at the USGS office is J. Curtis Weaver, email: [e-mail], phone: [phone].
3

Thanks,
Teresa
Teresa Rodriguez
Environmental Engineer
NC Division of Water Resources
NC Department of Environmental Quality
919 807 6387 office
Teresa.rodriquezncdenr.qov
1617 Mail Service Center
Raleigh, NC 27699-1617
NIZ
Nothing Compares,_
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
4

Rodriguez, Teresa
From: Loveland, Benjamin <[e-mail]>
Sent: Wednesday, June 07, 2017 9:58 AM
To: Rodriguez, Teresa
Subject: Water Flow -Duke Energy Lincoln CT
Attachments: 2016 Water Balance Report.pdf; 2012 Water Balance Report.pdf; 2015 Water Balance
Report.pdf
I found some more information that may be useful. Based on correspondence from Division of Water Resources on Oct.
11, 1994 we agreed to not withdraw more than 1 million gallons per day from Killian Creek.
We also follow the below requirement given to us thru a letter dated Nov. 19, 1990 also from the Division of Water
Resources:
"Water may not be withdrawn from Killian Creek when flows are less than or equal to the 7Q10 flow (estimated as 2.28
cubic feet per second). When flows are greater than the 7Q10 flow, no more than 25 percent of the flow may be
withdrawn. The maximum withdrawal from the creek will be 10.0 cfs."
I have attached our withdrawal and discharge data from 2015 and 2016 and for reference I happened to find an older
sheet from 2012. I hope this helps!
Benjamin Loveland CSP
Sr. EHS Professional Field Support
Darlington CT -Lincoln CT -Mill Creek CT
704-742-3114 o
704-998-1246 c
[e-mail]
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6/5/2017 Water Withdrawal and Transfer Registration
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Section 1: Facility Information
Overview Reports FAQ Login
North Carolina Division of Water Resources
Water Withdrawal Registration
Annual Water Use Report
2016
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Registrant: Duke Energy Progress, LLC Facility ID: 0057-0014 ..90 5 1
Facility Name: Lincoln Combustion Turbine Station - Facility Type: Energy f 1 ce kC „r
County: Lincoln Sub -Basin: Catawba River (03-1)
Inj P.O. Box 1006, Mail Code: EC13K OLO
Mailing Address: Charlotte, NC 28201 Email: [e-mail]
Contact Person: Mark McGary Title: Lead Engineer 7)4e 'r` 10
Phone: [phone] Fax: [phone]
Section 2: Withdraw,,' !nformatior
2-A. Average daily withdrawal and maximum day withdrawal by month in million gallons per day (MGD)
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Month # of Days Average Daily Maximum Day Month # of Days Average Daily Maximum Day
Used Withdrawal (MGD) Withdrawal (MGD) Used Withdrawal (MGD) Withdrawal (MGD)
Jan 0 0.000 ' 0.000 Jul 0 0.000 0.000
Feb 0 0.000 0.000 Aug 0 0.000 0.000
Mar 0 0.000 =j 0.000 Sep 0 0.000 0.000
Apr 4 0.480 ; J 0.480 Oct 0 0.000 0.000
May 0 0.000 0.000 Nov 0 0.000 0.000
Jun 0 0.000 0.000 Dec 0 0.000 0.000
2-B. Source Information - Please complete one row for each water withdrawal source. If any of your source information was imported from a previous year, please make
sure you click edit and fill in the information left blank that is needed for the 2016 reporting year.
http://www.ncwater.org/Permits_and_RegistrationNVater Withdrawal and Transfer_Registration/reportNiew/0057-0014/2016
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6/5/2017
bource name
Killian Creek
bource type
Stream
Section 3: Discharge Information
3-A. Average daily discharge and maximum day discharge
# of Days Average Daily
Discharged Discharge (MGD)
Month
Jan
Feb
Mar
Apr
May
Jun
Water Withdrawal and Transfer Registration
Average uany uays usea
0.480
by month in million gallons per day (MGD)
Maximum Day
Discharge (MGD)
Month
Jul
Aug
Sep
Oct
Nov
Dec
4
rumping tapacrty (muu)
# of Days Average Daily
Discharged Discharge (MGD)
10.870
Maximum Day
Discharge (MGD)
3-B. Please complete one row for each discharge method. If any of your discharge information was imported from a previous year, please make sure you click edit and fill
in the information left blank that is needed for the 2016 reporting year.
Identifier or Permit Number Discharge Type Average Daily Days Discharged Discharge Capacity
NC0080781 Outfall 001 Surface Water 0.000
Section 4: Sub -Basin Transfer Information
Complete this section only if you withdraw or purchase water that is not returned to the sub -basin from which it was withdrawn.
4-A. Please complete one row for each transfer of surface water from one sub -basin to another. If any of your transfer information was imported from a previous year,
please make sure you click edit and fill in the information left blank that is needed for the 2016 reporting year.
Description of Transfer
No Transfers Listed.
Source Sub -Basin
Receiving Sub -Basin
4-B. Enter the average daily and maximum day surface water transfer amount for each month in million gallons per day (MGD)
Month
# of Days Average Daily
Transferred Transfer (MGD)
Maximum Day
Transfer (MGD)
Month
Jan Jul
#of Days
Transferred
Average Daily
Transfer (MGD)
Transfer Capacity
Maximum Day
Transfer (MGD)
Feb Aug
http://www.ncwater.orglPermits and Registration/Water Withdrawal and Transfer Registration/report/view/0057-0014/2016
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6/5/2017 Water Withdrawal and Transfer Registration
Mar Sep
Apr Oct
May Nov
Jun Dec
Do you have any comments?
The Lincoln CT Station withdraws water from Killian Creek as necessary to maintain water levels in an on -site raw water storage pond. The pond has a surface overflow
back to Killian Creek that is not monitored. All discharges from the station are into the Lincoln County Killian Creek WWTP.
httpJ/www.ncwater.orglPermits_and Registralion(Water Withdrawal and Transfer Registrationlreport/view/0057-0014/2016 3/3

7/14/2017
StreamStats 4.0
StreamStats Report
Region ID:
NC
Workspace ID:
NC20170714082832258000
Clicked Point (Latitude, Longitude):
35.42357, -81.03018
Time:
2017-07-14 08:29:18 -0400
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Basin Characteristics
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7/14/2017
StreamStats 4.0
Parameter Code Parameter Description Value Unit
DRNAREA Area that drains to a point on a stream 46.8 square miles
httas://streamstats.usgs.gov/ss/ 2/2