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Update on Piney Point gyp stack situation from DEP

Piney Point Update - April 18, 2021

The Florida Department of Environmental Protection (DEP) continues to monitor the small detachment discovered underneath the steel plate placed over the liner seam separation on the east wall of the NGS-South compartment. Field operations teams are fully engaged in repair activities. There have been no observed increases in the flow rate and it remains contained within the on-site stormwater collection system.

Key status updates and response activities:

  • Discharges to Port Manatee remain ceased. DEP is working rigorously to get innovative technologies up and running as quickly as possible. It remains DEP's priority, if possible, to ensure any future necessary discharges are pre-treated to minimize ecological impacts.
  • DEP is making preparations to manage increased stormwater onsite ahead of early week forecasts of rain and wind.
  • Approximately 197 million gallons remain in the NGS-South compartment. Elevation and volume will likely fluctuate as innovative technologies are deployed to initiate water treatment.
  • DEP continues to monitor and sample surrounding waterways following previous discharges. At this time, bloom conditions have been observed in the localized area of previous discharges. To date, results have ranged from non-detect to trace (0.34 ppb) levels of cyanotoxins. DEP’s interactive water quality dashboard details sampling locations and corresponding results to evaluate any environmental impact. Results will continue to be posted as soon as they are available.
  • There are no reported fish kills in the area.

Residents can find the latest information on the status of the site and response activities at