NC0045161_Correspondence_20090925

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NCDENR
North Carolina Department of Environment and Natural Resources
Beverly Eaves Perdue
Govemor
James G. Merrill, Superintendent
Alamance-Burlington School System
1712 Vaughn Road
Burlington, North Carolina 27217
Dear Mr. Merrill:
Division of Water Quality
Coleen H. Sullins
Director
September 25, 2009
Dee Freeman
Secretary
Subject: Notification of Jordan Lake Nutrient Requirements
NPDES Permits NC0031607, NC0045128,
NC0045144, NC0045152, and NCO045161
Alamance-Burlington School System W WTPs
Alamance County
Governor Bev Perdue recently signed legislation to complete passage of rules for the Jordan Lake
Nutrient Management Strategy. The Strategy includes a Wastewater Discharge rule (T15A NCAC 02B
.0270) that applies to your wastewater treatment facility. Pursuant to Sub -Item (6)(d) of the rule, I am
writing to notify you of the nutrient allocations assigned to your facility.
This letter addresses only certain provisions of the Jordan Lake Wastewater Discharge rule. I encourage
you to familiarize yourself with the remainder of this rule.
Nutrient Allocations. The Wastewater Discharge rule establishes the maximum loads of nitrogen and
phosphorus that can be released from wastewater treatment facilities into the Jordan Lake watershed.
The rule provides that these wasteload allocations are to be divided among the existing facilities in
proportion to (with specific exceptions) their 2001 permitted flows. It also provides that facilities
permitted to discharge 100,000 gpd or more are to receive nitrogen and phosphorus limits equivalent to
their individual allocations.
Your facility has been assigned nitrogen and phosphorus allocations. The allocations are expressed as
annual mass loadings delivered to the lake. Due to foreseeable losses between the discharge point and
the lake, they are also expressed as the equivalent discharge loads at the point of discharge. The
delivered and the corresponding discharge allocations assigned to your facility are as follows:
1617 Mail Service Center, Ralegh, North Carolina 27699-1617
Location: 512 N. Salisbury St Ralegh, North Carolina 27604 One
Phone: [phone] FAX: 9IM07-64921 Customer Service: 1-877-623-6748 NOrthCarolina
Internet. wwwtncwaterquallin rg
Action
Natura//ff
An Equal Opi>cnanilylAPormative Action Employer `�'s` "

James G. Merrill, Superintendent
Notification of Jordan Lake Nutrient Requirements
September 25, 2009
NCO031607 - Western Alamance Middle School
NCO031607
Delivered Allocation
(lb/yr)
Transport
Factor (%)
Discharge Allocation
(lb/yr)
Total Nitrogen
351
64
548
Total Phosphorus
53
58
91
2001 Permitted Flow: 0.0150 MGD
NCO045128 - Sylvan Elementary School
NCO045128
Delivered Allocation
(lb/yr)
Transport
Factor {%)
Discharge Allocation
(lb/yr)
Total Nitrogen
92
84
110
Total Phosphorus
14
76
18
2001 Permitted Flow: 0.0030 MGD
NCO045144 - Western Alamance High School
NCO045144
Delivered Allocation
(lb/yr)
Transport
Factor
Discharge Allocation
(1b/yr)
Total Nitrogen
269
64
420
Total Phosphorus
41
58
70
2001 Permitted Flow: 0.0115 MGD
NCO045152 - Jordan Elementary School
NCO045152
Delivered Allocation
(lb/yr)
Transport
Factor (%)
Discharge Allocation
(lb/yr)
Total Nitrogen
230
84
274
Total Phosphorus
35
76
46
2001 Permitted Flow: 0.0075 MGD
NCO045161- Altamahaw/Ossipee Elementary School
NCO045161
Delivered Allocation
(lb/yr)
Transport
Factor (°!°)
Discharge Allocation
(lb/yr)
Total Nitrogen
254
58
438
Total Phosphorus
36
49
73
2001 Permitted Flow: 0.0120 MGD
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James G. Merrill, Superintendent
Notification of Jordan Lake Nutrient Requirements
September 25, 2009
Nutrient Limits. Your facility will not receive new nutrient limits at this time. However, any nutrient
limits already in your NPDES permit will remain in effect.
If the facilities permitted for less than 100,000 gpd, as a group, approach their allocations for nitrogen
or phosphorus, the Division will consider whether nutrient limits are necessary to protect water quality
at that time. In the event that nutrient limits become necessary, the limits would equal your facility's
discharge allocations.
Nutrient Trading. The rule provides that, when one utility connects to another, the allocations held by
the closing facility are transferred to the remaining facility. The rule also provides for the trading of
allocations among dischargers within each of the major Jordan subwatersheds. Be sure to consult with
the Divisions NPDES staff before you consider selling allocation: transactions can have profound
implications for your facility and its permit.
If you have any questions regarding these allocations, please contact me at [phone] or at
mike. [e-mail].
cc: Winston-Salem Regional Office
NDPES Files
Central Files
Sincerely,
Coleen H. Sullins
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