NC0061719_Monitoring Information_20190110

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ROY COOPER ,0 4.o
Governor
MICHAEL S.REGAN \
Secretary --
LINDA CULPEPPER NORTH CAROLINA
Director Environmental Quality
January 10, 2019
Mr. Michael A. Melton
Regional Manager of Compliance
Aqua North Carolina, Inc.
202 MacKenan Court
Cary, NC 27511
Subject: Additional Nutrient Monitoring
Requirements
Woodlake Country Club WWTP
NPDES Permit No. NC0061719
Dear Mr. Melton:
Pursuant to N.C. General Statutes Section 143-215.1 and the implementing rules found in Title
15A of the North Carolina Administrative Code, Subchapter 02H, specifically, 15A NCAC
02H .0112(b)(1) and 02H .0114(a), the Director of DWR may reopen a permit to require
supplemental nutrient monitoring of the discharge. Per this letter, the Director is requiring
additional nutrient monitoring at the subject facility's effluent as specified below:
• Monitoring for total phosphorus (TP), total nitrogen (TN), total Kjeldahl nitrogen (TKN),
and Nitrite+Nitrate (NO2+NO3) shall be increased to monthly starting on April 1, 2019
and lasting through December 31, 2020. Nutrient monitoring shall revert to sampling
requirements as specified in the facility's NPDES permit starting January 1, 2021. The
additional monitoring results shall be submitted in the Discharge Monitoring Reports.
The additional monitoring will be used to support water quality modeling efforts within the
Cape Fear River Basin. Specifically, the additional monitoring will help ensure that nutrient
loadings from permitted facilities are represented as accurately as possible in the model, which
will include both point and non-point sources.
North Carolina Department of Environmental Quality Division of Water Resources
512 North Salisbury Street 1611 Mail Service Center I Raleigh,North Carolina 2 76 9 9-1611
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For more information on the modeling project, please visit
https://deq.nc.gov/about/divisions/water-resources/planning/modeling-assessment/special-
studies#MCF. If you have any questions, please contact Pamela Behm, DWR Modeling and
Assessment Branch Chief([e-mail], [phone]).
Sincerely,
Jeff Poupart
Water Quality Permitting Section Chief
Division of Water Resources
Cc: NPDES File
DWR / Fayetteville Regional Office / Water Quality
DWR/ Modeling & Assessment/ Pam Behm