HomeMy WebLinkAboutNC0026051_5-Day Report for Incident# 202400725_20240328 (2)
WWTP Upset , Spill, or Bypass 5-Day Reporting Form
(Please Print or Type Use Attachments if Needed)
Permittee: _Durham County Utilities Division_____ Permit Number: __NC0026051___________
Facility Name: __Triangle WWTP___________________ County: __Durham_______________
Incident Started: Date: __3/28/2024________ Time: __1230_______
Incident Ended: Date: __3/28/2024________ Time: __1330_______
Level of Treatment:
_X_None ___Primary Treatment ___Secondary Treatment _ Chlorination/Disinfection Only
Estimated Volume of Spill/Bypass: _____-100_gallons___________(must be given even if it is a rough estimate)
Did the Spill/Bypass reach the Surface Waters? ___Yes _X_No
If yes, please list the following:
Volume Reaching Surface Waters: __________ Surface Water Name: __________________________
Did the Spill/Bypass result in a Fish Kill? ____Yes _X__No
Was WWTP compliant with permit requirements? _X__Yes ____No
Were samples taken during event? _X__Yes ____No
Source of the Upset/Spill/Bypass (Location or Treatment Unit):
Spill occurred in a 6” grit classifier drain line. The drain line became plugged and the classifier washwater backed up and out the drain.
Cause or Reason for the Upset/Spill/Bypass:
Heavy grit from the recent rain.
Describe the Repairs Made or Actions Taken:
Used a potable jet machine to unplug the line and the flow continued as designed.
Action Taken to Contain Spill, Clean Up and Remediate the Site (if applicable):
The section of the SW ditch was isolated, and contents were pumped back to the system. Lime was placed in the area of the spill.
Action Taken or Proposed to be Taken to Prevent Occurrences:
Investigate why heavy grit is getting past the classifier wash water separator. Make necessary repairs to prevent this from happening. Monitor close during rain events.
Additional Comments About the Event:
This event had no environmental impact.
Incident # 202400725
24-Hour Report Made To: Division of Water Resources _X_ Emergency Management ____
Contact Name: Zachary Thomas Date: 3/28/24 Time: 1400
Other Agencies Notified (Health Dept, etc): ____None_________________________
Person Reporting Event: _Wade W. Shaw________________ Phone Number: ___919-730-1780______
Did DWR Request an Additional Written Report? ___Yes _X_No
If Yes, What Additional Information is Needed:
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