NC0021121_More Information (Received)_20240826

CITY OF MOUNT AIRY WWTP
P. O BOX 70
MOUNT AIRY, NC 2 703 0
PHONE: [phone]
FAX- 336-786-3573
August 22, 2024
Mr. Gary Perlmutter
NCDEQ/DWR
NPDES Permitting Branch
1617 Mail Service Center
Raleigh, NC 27699-1617
Subject: Chemical Addendum for NDPES Permit Renewal NCO021121
Dear Mr. Perlmutter,
The City of Mount Airy doesn't expect its current industrial permitted community to
discharge any of the chemicals listed in the addendum.
Should you have any questions or need any additional information, please contact me at
[phone].
Sincerely,
Christopher S. Marion
WWTP Supervisor
City of Mount Airy

NPDES Permit Renewal NCO021121
The Mount Airy Wastewater Treatment Facility has a capacity of 7.0
MGD that includes the following components:
• Mechanical bas screening
• Grit chamber
• Primary clarifiers
• Trickling filters
• Activated sludge tank
• Belt press
• Sludge thickener
• Chlorine contact tank
• Dechlorination
• Sludge holding tanks
• Continuous recording flow meter
The facility is located at 1750 Andy Griffith Parkway South, Mount
Airy in Surry County.