WQ0045870_Application (FTSE)_20241108

State of North Carolina
Department of Environmental Quality
DWR Division of Water Resources
Division of Water Resources Flow Tracking for Sewer Extension Applications
(FTSE 10-23)
Entity Requesting Allocation: McAdams
Project Name for which flow is being requested: Discovery Lane (Residential)
More than one FTSE may be required for a singleproject if the owner of the WWTP is not responsible for allpump
stations along the route of the proposed wastewater flow.
I. Complete this section only if you are the owner of the wastewater treatment plant.
a. WWTP Facility Name: McAlpine Creek, Irwin Creek, Sugar Creek
b. WWTP Facility Permit#: NC0024970, NC0024945, NCO024937
All flows are in MGD
c. WWTP facility's permitted flow 99.000
d. Estimated obligated flow not yet tributary to the WWTP 17.412
e. WWTP facility's actual avg. flow 71.633
f. Total flow for this specific request 0.02166
g. Total actual and obligated flows to the facility 89.067
h. Percent of permitted flow used 90.0%
II. Complete this section for each pump station you are responsible for along the route of this proposed
wastewater flow.
List pump stations located between the project connection point and the WWTP:
(A) (B) (C) (D)=(B+C) (E)=(A-D)
Design Obligated,
Pump Pump Average Approx. Not Yet Total Current
Station Station Firm Daily Flow** Current Tributary Flow Plus
(Name or Permit Capacity, * (Firm/pf), Avg. Daily Daily Flow, Obligated Available
Number) No. MGD MGD Flow,MGD MGD Flow Capacity***
Long Creek 8.5 3.4 5.238 1 .393 6.631 -3.231
Paw Creek 10.7 4.28 5.964 1 .748 7.712 -3.432
*The Firm Capacity(design flow)of any pump station is defined as the maximum pumped flow that can be
achieved with the largest pump taken out of service.
**Design Average Daily Flow is the firm capacity of the pump station divided by a peaking factor(pf)not
less than 2.5,per Section 2.02(A)(4)(c)of the Minimum Design Criteria.
***A Planning Assessment Addendum shall be attached for each pump station located between the
project connection point and the WWTP where the Available Capacity is<0.
Downstream Facility Name (Sewer): Benning Road
Downstream Permit Number: Unknown
Page 1 of 6
FTSE 10-23

III. Certification Statement:
I Ke ri Cantrell certify to the best of my knowledge that the addition of
the volume of wastewater to be permitted in this project has been evaluated along the route to the receiving
wastewater treatment facility and that the flow from this project is not anticipated to cause any capacity
related sanitary sewer overflows or overburden any downstream pump station en route to the receiving
treatment plant under normal circumstances, given the implementation of the planned improvements
identified in the planning assessment where applicable. This analysis has been performed in accordance
with local established policies and procedures using the best available data. This certification applies to
those items listed above in Sections I and II plus all attached planning assessment addendums for which I
am the responsible parry. Signature of this form certifies that the receiving collection system or treatment
works has adequate capacity to transport and treat the proposed new wastewater.
Digitally signed by Keri Cantrell
�.� Date: 2024.11.08 11:37:10 -05'00' 11/8/2024
Adobe Acrobat version: 2024.003.20180
Signing Official Signature Date
Chief Engineer
Title of Signing Official
Page 2 of 6
FTSE 10-23

PLANNING ASSESSMENT ADDENDUM(PAA)
Submit a planning assessment addendum for each pump station listed in Section II where Available Capacity is<0.
Pump Station(Name or Number):
Given that:
a. The proportion and amount of Obligated,Not Yet Tributary Daily Flow(C)accounts for
22.7 %and 1.748 MGD of the Available Capacity(E)in Pump Station
Long Creek and Paw Creek ; and that
b. The rate of activation of this obligated,not yet tributary capacity is currently approximately
1.748 MGD per year; and that
c. A funded Capital Project that will provide the required planned capacity,namely
Stowe Regional Water Resource Recovery Facility is in design or under construction with
planned completion in 2026 ; and/or
d. The following applies:
The existing Charlotte Water collection system flows from Long Creek Pump Station(LCPS)to Paw Creek
Pump Station(PCPS)to McAlpine WWTP.A new Stowe Regional Water Resource Recovery Facility("Stowe
Regional")is under construction(permitted at 15 MGD initially)that will intercept sewer discharges normally
going to the existing LCPS.While Stowe Regional will include a new influent pump station it will also
incorporate the existing LCPS into the facility's operation to offer flexibility to direct flows when necessary to the
PCPS. LCPS current and future capacities shown below:
Long Creek Pump Station
Firm Pump Capacity Total Installed(peak) EQStorage
(mgd) (mgd) (MG)
Current 8.5 12 11
1 st Qtr 2025 12 16 11
2nd Qrt 2025 12 16 29
Stowe Regional is anticipated to come online with its own influent pump station in addition to the LCPS abilities
in early 2027.With Stowe coming online,PCPS flows will decrease by an equivalent amount received at LCPS.
Currently,LCPS and PCPS operate as a combined system with the LCPS able to transfer flows to flow
equalization tanks during peak flow events and then meter out the flow to PCPS as conditions allow.
PCPS is currently at substantial completion on a project to increase the firm pumping capacity to 20 MGD. Full
operation is anticipated by March 2025.The Paw Creek force main replacement portion of the project has
already been completed.
With installed capacity and existing EQ basin storage,LCPS and PCPS have been able to successfully
manage all peak flow events.
Therefore:
Given reasonably expected conditions and planning information, there is sufficient justification to allow
this flow to be permitted, without a significant likelihood of over-allocating capacity in the system
infrastructure.
I understand that this does not relieve the collection system owner from complying with G.S. 143-
215.67(a) which prohibits the introduction of any waste in excess of the capacity of the waste disposal
system.
Digitally signed by Keri Cantrell
Date: 2024.11.08 11:36:42 -05'00'
Adobe Acrobat version: 2024.003.20180 1 1/8/2024
Signing Official Signature Date
Page 3 of 8
FTSE 10-23