WQ0031314_Correction_20160328

Water Resources
ENVIRONMENTAL QUALITY
PAT MCCRORY
Gorrmnr
DONALD R. VAN DER VAART
Secremry
S. JAY ZIMMERMAN
Direclor
March 28, 2016
RON HARGROVE — DIRECTOR OF UTILITIES
WINSTON-SALEWFORSYTH COUNTY UTILITIES COMMISSION
POST OFFICE BOX 2511
WINSTON-SALEM, NORTH CAROLINA 27102
Dear Mr. Hargrove:
Subject: Permit No. WQ0031314
Correction
P. W. Swann WTP
Distribution of Class A Water
Treatment Plant Residuals
Forsyth County
In accordance with an oral request received March 28, 2016 from you, we are forwarding herewith
corrected Attachment A of Permit No. WQ0031314 issued February 9, 2016.
The correction to the subject permit is as follows:
1. The residuals quantities for Thomas WTP and Nielsen WTP were reversed.
Please replace Attachment A of Permit No. W00031314 issued February 9, 2016 with the
enclosed corrected Attachment A.
If you need additional information concerning this permit correction, please contact Troy Doby at
[phone] or [e-mail].
Sincerely,
DFr—S. Jac%�..(/ � Direct
Division of Water Resources
Enclosure
cc: Forsyth County Health Department (Electronic Copy)
Winston-Salem Regional Office, Water Quality Regional Operations Section (Electronic Copy)
Beth Buffington, Public Water Supply Section — Protection and Enforcement Branch
Digital Permit Archive W00031314 (Electronic Copy)
Central Files
State of North Carolina I Euviroom oal Quality I WaterResourees I Water Quality Permitting I Non -Discharge Permitting
1617 Mail Service Center I Raleigh, North Carolina 27699-1617
919 907 6464

This Page Blank

ATTACHMENT A - Approved Residual Sources Certification Date: February 9, 2016
Winston-Salem/Forsyth County Utilities Commission Permit Number: WQ0031314 Version: 2.0
Class A Water Treatment Plant Residuals Product Generated for Distribution
'
Permit
Biological
Maximum
Monitoring
Frequency for
Monitoring
Frequency for
Monitoring
Frequency for
Approved
Owner
Facility Name
County
Number
Residuals
Dry Tons
Non -hazardous
Metals and
Pathogen &
Mineralization
Per Year
Characteristics 2
Nutrients 3,5
Vector Attraction
Rate
Reductions 4,6
Winston-Salem/Forsyth County
Utilities Commission
Swann WTP
Forsyth
N00079821
No
750
Once per permit
See Table Below
None
cycle
Winston-Salem/Forsyth County
Utilities Commission
Neilson WTP
Forsyth
NCO086011
No
1,499
Once per permit
See Table Below
None
c ele
Winston-Salem/Forsyth County
Utilities Commission
Thomas WTP
Forsyth
NCO086762
No
750
Once per permit
See Table Below
None
cycle
Total
2,999
1. Maximum Dry Tons per Year is the amount of residuals approved for distribution from each permitted facility.
2. Analyses to demonstrate that residuals are non -hazardous (i.e., TCLP, ignitability, reactivity, and corrosivity) as stipulated under permit Condition IV.2.
3. Testing of metals and nutrients as stipulated under permit Condition IV.3.
4. Analyses of pathogen reductions as stipulated under permit Condition IVA.
5. Monitoring frequencies are based on the actual dry tons applied per year using the table below, unless specified above.
Dry Tons Distributed
short tons per ear
Monitoring Frequency
Established in 40 CFR 503 and 15A NCAC 02T .1111
<319
1 /Year
=>319 - <1,650
1/ Quarter 4 times per ear)
=>1,650 - <16,500
1/60 Days 6 times per ear)
=>16,500
1/month(12 times peryear)
6. Water Treatment Plant residuals are exempt from meeting the pathogen & vector attraction reduction requirements in Condition 1 VA, provided they are not mixed with residuals that have
been generated during the treatment of domestic wastewater, the treatment of animal processing wastewater, or the biological treatment of industrial wastewater. The Water Treatment
Plant residuals must be treated and processed in a manner as to not meet the definition of Biological Residuals" m defined in 15A NCAC 02T .1102(6).
If no land application events occur during a required sampling period (e.g. no land application occur during an entire year when annual monitoring
is required), then no sampling data is required during the period of inactivity. The annual report shall include an explanation for missing sampling
data. Those required to submit the annual report to EPA may be required to make up the missed sampling, contact the EPA for additional
information and clarification.
WQ0031314 Version 2.0 Attachment A Page 1 of 1