WQCS00010_NOI_NOV2019DV0445_Response_#2_20191218 (2)

Public Services Department
Water & Sewer Mains Division
Joseph P. Hoiden
ASSISTANT SUPERINTENDENT
ORC WWCS
Dec. 18, 2019
Lon T. Snider
NCDENR
Winston-Salem Regional Office
450 West Hanes Mill Road, Suite 300
Winston-Salem, NC 27105
RE: Notice of Violation
Tracking # NOV-2019-DV-0445
Incident Number 201901547
09/17/2019
Mr. Snider,
NORTH CAROums INTERNATIONAL Crrr
« Department ur
Environmental quality
Received
CSC 2 3 2019
Winston-Salem
Regional Office
This letter is in response to the Notice of Violation, Tracking # NOV-2019-DV-0445, concerning the spill
at 5875 Riverdale Rd. Outfall, Guilford County, High Point, NC.
The spill at the above -mentioned address lasted for 3 hours. During the spill duration crews worked to
remove the top section of a flat top manhole which required special equipment to lift due to its weight.
Maintenance personnel had to be called in to turn off the lift station. The flat top needed to be removed
so the crew could shut down the discharging air release valve. It was determined that the air release
had mechanically failed causing the valve seat to fall through the body and jam itself in the butterfly
(isolation) valve. Once the air release was removed the isolation valve was closed, the lift station was
restarted, and the spill stopped. The crew installed a backup air release valve while onsite. All solids
were removed, and lime was spread over the area. The creek was monitored for adverse effects. The
air release that failed has been rebuilt and is ready to be installed should it be needed. The air release
has been added to a weekly inspection list to prevent future spills.
If you have any questions or require further information, please feel free to call me at [phone].
Sincerely,
Joseph P. Holden
ORC WWCS
Assistant Superintendent
cc: Terry Houk
City of High Point, P.O. 230, 211 South Hamilton Street, High Point, NC 27261 USA
Office: 336-883-3691 Fax: [phone] TDD 336.883.8517

2
Derrick Boone
Greg Hall
File
City of High Point, P.O. 230, 21 1 South Hamilton Street, High Point, NC 27261 USA
Office: 336-883-3691 Fax: [phone] TDD 336.883.8517