NC0020184_Adjusted Daily Sewage Flow Rate Approval_20170717

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Water Resources
Environmental Quality
July 17, 2017
Matt Bernhardt, Director
Two Rivers Utilities
P O Box 1748
Gastonia, NC 28053-1748
Subject. Adjusted Dally Sewage Flow Rate Approval
Two Rivers Utilities (NC0020184)
City of Gastonia
Dear Mr. Bernhardt:
ROY COOPER
Govei nor
MICHAEL S. REGAN
Secretary
S. JAY ZIMVIMERMAN
Du ector
On May 17, 2017, the Division of Water Resources (Division) received an adjusted daily sewage flow rate
(flow reduction) request that would apply to all permitted but not yet tributary residential connections
and all future residential connections within the Two Rivers Utilities service area. Additional information
was requested and received on June 30, 2017.
In accordance with 15A NCAC 02T .0114(f)(2), the Division has evaluated the request and based on the
data submitted and the Division of Water and Infrastructure (DWI) guidance, the Division hereby approves
for use by the Two Rivers Utilities an adjusted daily sewage design flow rate with the following conditions:
• The flow reduction is applicable to residential single family dwellings only.
• The minimum flow for 1 and 2 bedroom dwellings shall be 150 gallons per day
• Each additional bedroom above two bedrooms shall increase the volume by 75 gallons per day
per bedroom
• This flow reduction shall not apply to sewer extension applications and/or permits for any other
public or private organizations whose wastewater flows are or might become tributary to the Two
Rivers Utilities collection system
Future sewer extension applications should be made using the flow reduction amount stated above All
other aspects of the permitting process remain unchanged, and all applications must be in compliance
with the statues, rules, regulations and minimum design criteria as certified by the owner and engineer.
Regardless of the adjusted design daiIV wastewater flow rate at no time shall the wastewater flows
exceed the effluent limits defined in the NPDES Permit for the treatment facility or exceed the capacity of
the sewers downstream of any new sewer extension or service connection(s).
,5 -,—Nothing Compares:=-..—
State of North Carolina I Environmental Quality
1617 Mail Service Center I Raleigh, North Carolina 27699-1617
919-707-9000

The granting of this flow reduction does not prohibit the Division from reopening, revoking, reissuing
and/or modifying the flow reduction as allowed by the laws, rules, and regulations contained in 15A NCAC
02T, NCGS 143-215.1, or as needed to address changes in State and/or Federal regulations with respect
to wastewater collection systems, protection of surface waters and/or wastewater treatment
If you have any questions, please contact me at [phone], or via email at
[e-mail]
Sincerely,
-
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for S. Jay Zimmerman
Director, Division of Water Resources
by Deborah Gore, Supervisor
Pretreatment, Emergency Response and Collection Systems Branch
cc• Mooresville Regional Office, Water Quality Regional Operations
Central Files: NC0020184
PERCS (electronic copy)