WQ0045116_Flow reduction letter_20240202

Water Resources
ENVIRONMEN 1, r
Ann B. Hardy, County Manager
Brunswick County
P.O. Box 249
Bolivia, NC 28422
Owl - - ml�
FEB o 2 2024
KDEOIDWRINRMES
May 23, 2018
Subject: Adjusted Daily Sewage Flow Rate Approval
Brunswick County (WQCS00284)
Dear Ms. Hardy
ROY COOPER
MICHAEL S. REGAIN
LINDA CULPEPPER
On February 16, 2018, the Division of Water Resources (Division) initiated a review of the existing
Brunswick County flow reductions to develop a comprehensive flow reduction that would apply to all
permitted but not yet tributary residential connections and all future residential connections within the
Brunswick County service area. In accordance with 15A NCAC 02T .0114(f)(2), the Division has evaluated
the existing flow reductions as granted to various portions of Brunswick County, and based on input
from the Wilmington Regional Office as well as historical data for the county and the Division of Water
Infrastructure (DWI) guidance, the Division hereby approves for use by Brunswick County 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 140 gallons per day.
• Each additional bedroom above two bedrooms shall increase the volume by 70 gallons per day
per bedroom (e.g. three bedroom homes shall utilize 210 gallons per day).
• 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
Brunswick County collection system (WQCS00284).
o The flow reduction may be applied to sewer extension applications and/or permits
where the permitted development shall be transferred to Brunswick County upon
completion.
• This flow reduction is only applicable for developments with flows tributary to the current
existing wastewater treatment facilities, and shall supersede any previous flow reductions
granted to developments tributary to the following treatment plants:
o Carolina Shores WWTP (NC0044873)
o Northeast Brunswick Regional WWTP (NC0086819)
o Shallotte WWTF (WQ000798)
o Ocean Isle Beach WWTF (WQ0006085)
'Nothing Compares 7'- ,
State of North Carolina I Environmental Quality I Water Resources
1617 Mail Service Center I Raleigh, North Carolina 27699-1617
919-807-6300

Brunswick County
WQCS00284
o Sea Trail WWTF (WQ0012748)
o West Brunswick Regional WRF (WQ0023693)
• Per 15A NCAC 02T.0114(e)(2), this flow reduction shall not apply to residential property on
barrier islands and similar communities located south or east of the Atlantic Intracoastal
Waterway used as a vacation rental as defined in G.S. 42A-4. Such residences shall use 120
gallons per day per habitable room.
• Previous flow reductions as listed in the March 18, 2004 flow reduction approval for 904
Georgetown (185 GPD per 3-bedroom unit) and Bald Head Island (305 GPD per unit) shall
remain in place, as they do not connect to Brunswick County's collection system.
• This flow reduction must be reevaluated and approved by the Division prior to application to
any future Brunswick County treatment facilities.
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 comply with the
statues, rules, regulations and minimum design criteria as certified by the owner and engineer.
Rep,ardless of the adjusted design daily wastewater flow rate_ at no time shall the wastewater flows
exceed the effluent limits as defined in the permit for the treatment facility or exceed the capacity of
the sewers downstream of any new sewer extension or service connection(s).
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 Christyn Fertenbaugh, P.E., at [phone], or via email at
Christy [e-mail].
Sincerely,
for Linda Culpepper
Interim Director, Division of Water Resources
by Deborah Gore, Supervisor
Pretreatment, Emergency Response and Collection Systems Branch
Cc_ William Pinnix, P.E., Brunswick County ([e-mail]
John Nichols, P.E., Brunswick County (John,[e-mail]}`
Wilmington Regional Office, Water Quality Regional Operations
Central Files - Brunswick County Collection System (WQCS00284)
Central Files —NC0044873, NC0086819, WQ0000798, W00006085, WQ0012748, WQ0023693
PERCS (electronic copy)
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