NCS000588_2020 RDU Annual Report_20210330

Georgoulias, Bethany
From: Danison, Gina <[e-mail]>
Sent: Tuesday, March 30, 2021 4:51 PM
To: Georgoulias, Bethany
Subject: [External] RDU Annual NPDES Report - NCS000588
Attachments: 2020-RDU-NPDES_Annual_Report.pdf
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Good Afternoon Bethany,
I hope you and your family are doing well. I'm emailing you a copy of the 2020 annual NPDES report for the Raleigh -
Durham International Airport (Permit NCS000588). The original and one copy are in the mail to the address listed in the
permit. Please let me know any questions.
Kind Regards,
Gina
Gina Danison, ENV SP
Environmental Program Administrator
Raleigh -Durham Airport Authority
1000 Trade Dr I PO Box 80001
RDU Airport, NC 27623
0: 919.840.7741 F: 919-840-0175

/R'OU,
Michael J. Landguth, A.A.E.
President & CEO
CERTIFIED MAIL
March 3 0, 2021
Raleigh -Durham Airport Authority
1000 Trade Drive - P.O. Box 80001 • RCU Airport, NC 27623
tel: [phone] - fax, [phone] - www.rdu.com
NC DEQ - Division of Energy, Mineral, and Land Resources
Attn: Central Files
1612 Mail Service Center
Raleigh, NC 27699-1612
Re: NPDES 2020 Annual Report
Raleigh -Durham Airport Authority
NPDES Permit No. NCS000588
To Whom It May Concern:
Also sent via email
The Raleigh -Durham Airport Authority (Authority) respectfully submits an original and one
copy of the calendar year 2020 (CY2020) Annual Report, in accordance with NPDES Permit No.
NCS000588 (Permit).
The current NPDES Permit, referenced above, for the Raleigh -Durham International Airport
(RDU) is dated May 12, 2017. With the receipt of this Permit, stormwater sampling was reduced
to once per permit cycle for all stormwater locations. Therefore, no stormwater samples were
collected during CY2020.
Enclosed please find the visual monitoring reports, the total glycol usage data, and pavement
deicing data for CY2020. This report was also emailed to Bethany Georgoulias with DEMLR.
If you have any questions, please do not hesitate to call me at 919-840-7741 or email me at
gina.danisonCakdu-com-
Sincerely,
Itanison
Environmental Program Administrator
Raleigh -Durham Airport Authority
Enclosures
Raleigh -Durham Aji—Fort Authority Board Members
WAKE COUNTY DURHAM COUNTY GTYOF RALEIGH CITY OF DURHAM
David Kushner Patrick Hannah, Esq., Acting Chair Sepideh Saldi, Secretary Tommie Hall
Ellis Hankins David Morgan Dickie Thompson Yesenia Polanco_Galdamea

Visual Monitoring Reports for CY 2020
Raleigh -Durham International Airport
NPDES Permit: NCS000588
Spring
2020
Other
Floating
Suspended
Oil
Indicators
Outfall
Date
Color
Odor
Clarity
q
'
Foam
Comments
Solids
Solids
Sheen
of SW
PnIluitinn
001
06/10/20
Light brown
None
2
2
2
N
N
downstream
1
1
erosion
0022
06/10/20
Light brown
None
1
N
N
003
06/10/20
Clear/Brown
None
2
1
1
N
N
Riser barrel failed
Pond dry
004
06/10/20
Clear/Brown
None
5
1
1
Y
N
007
06/10/20
Clear/Brown
None
1
1
1
N
N
Trash
016
06/10/20
Clear/Brown
None
2
3
1
N
N
fish
035
06/10/20
Clear/Brown
None
2
1
1
N
N
frogs
H
06/10/20
Brown
None
3
1
1
N
N
erosion at inlet
1
06/10/20
Brown
None
3
1
1
N
N
P
06/10/20
Brown -red
None
3
1
1
N
N
riser barrel failed,
Pond mostly dry
S
06/10/20
Clear
None
5
1
1
N
N
fish
Trash,
Y
06/10/20
Yellow -brown
None
4
5
1
N
N
strong
Pollen & algae
garbage
crust on water
odor
UU
06/10/20
Light brown
None
5
1
1
N
N
KK
06/10/20
Clear/Brown
None
2
1
1
N
N
JJ
06/10/20
Yellow -brown
None
2
1
1
N
N
II
06/10/20
Clear
None
1
1
1
N
N
Fall 2020
Outfall
Date
Color
Odor
Clarity
Floating
�
Solids
Suspended
�
Solids
Foam
Oil
Sheen
Other
Indicators
of SW
Pollution
Comments
001
11/17/20
Green/Brown
None
3
2
1
1
1
N
N
Red brown algae
0022
11/18/20
Clear
None
2
N
N
Trash in
ditch
Lots of pine
needles
003
11/17/20
Clear/Brown
None
1
1
1
N
N
Trash
fish, birds, water in
Pond
004
11/17/20
Clear/Brown
None
1
1
1
N
N
007
11/18/20
Grey
None
2
1
1
N
N
Vegetative decay
016
11/17/20
Clear/Brown
None
3
1
1
Y
N
0353
11/17/20
Clear/Brown
None
1
1
1
N
N
H
11/17/20
Clear/Brown
None
1
1
1
N
N
Fallen trees
1
11/18/19
Orange
None
4
3
3
N
N
Small sinkhole, no
flow, -geese
P
11/18/19
Brown
None
3
3
2
N
N
ducks
S
11/17/20
Clear
None
1
1
1
N
N
Bottles
Y
11/17/20
Brown
None
3
1
1
N
N
Trash
bottles
UU
11/17/20
Greenish
None
1
3
1
N
N
wood ducks
KK
11/17/20
Orange/Brown
None
2
1
1
N
Y
Trash
Chanel erosion,
veq. decay
JJ
11/17/20
Clear/Brown
None
2
1
1
Y
Y
yellow foam
II
11/17/20
Clear/Brown
None
1
1 1
1 1
1 Y
I N
JTrash
Erosion at outfall
' Number rankings based on DWQ "Stormwater Discharge Outfall Qualitative Monitoring Report" where 1 = clear, no solids and 5 = very
2 SDO 002 visually monitored at sampling location per NCDENR DWQ approval on 5/15/2013.
3 Outfall 035 added in Fall 2017 due to anticipated growth in the drainage basin.
NA = Not applicable

Total Deice Material Usage for CY2020
Raleigh -Durham International Airport
NPDES Permit: NCS000588
2020
Jan
8,042
120 8,162
2020
Feb
23,077
3,414 26,491
Snow event
2020
Mar
1,141
0 1,141
2020
April
8
0 8
2020
Oct
0
50 50
2020
Nov
2,979
0 2,979
2020
Dec
9,467
20 9,487
CY2020 Totals
44,714
3,604 48,318
Prepared by: Danison
Prepared on: 3/29/21
1. Only months with glycol usage are reported.
2. Numbers reported are in gallons and only for amount of glycol used.
3. Type IV glycol used for anti -icing is reported in gallons and at 100% (no water added).
4. As of June of 2012, urea is no longer allowed to be used on RDUAA property.
5. Ethylene glycol was banned from the airport in 2006. All product had to be utilizied by 2007.
6. Permit NCS000588 became effective 5/12/17. Previously Permit NC00084514 was in effect.

Pavement Deicer Usage for CY 2020
Raleigh -Durham International Airport
NPDES Permit: NCS000588
2020 Co-Permittees 50 0 963 179
2020 RDUAA 19,845 3,000 0 N/A
Totals - 19,895 3,000 963 179
Prepared by: Danison
Prepared on: 3/29/21
Notes:
1. Table denotes deicer material utilized on airfield (i.e. runways, taxiways, and ramp areas).
2. Permit NCS000588 became effective May 12, 2017. Previously NPDES Permit NC00084514 was in effect.
3. N/A denotes Not Applicable as the Authority does not use these products.