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Estuario Weekly Update

Through our weekly update, we share opportunities for collaboration, volunteering, and work; through initiatives and actions programmed for the benefit of the ecosystems and communities of the San Juan Bay estuary. These activities, tips and information are for everyone’s benefit.

Certification of Citizen Scientists

We’re almost finished with our current round of elective workshops for the certification of citizen scientists. Don’t miss the next workshop for the coastal resilience thematic module:

  • Mangroves and Sand Dunes: Resilience of Coastal Ecosystems – Wednesday, May 25, 3PM

Don’t miss the citizen scientist certification workshop—Coral Reefs: Resilience of Coastal Ecosystems; on Thursday, June 9, 2022, from 5-7PM at Estuario’s Visitor Center (in Old San Juan) and virtually, through Zoom. This joint workshop satisfies two certification requirements (introductory and elective) for the Coastal Resilience thematic module; and it is a great option to acquire your certification faster.

Learn more about the Citizen Scientist Certification Program, its thematic modules, certification process, and the scheduled workshops in our portal.

See the Training Recording – Beyond Plastics: Problem and Solutions in Puerto Rico

Thank you to everyone who attended the training Beyond Plastics: Problem and Solutions in Puerto Rico; on May 13 and 14! The change needed to eradicate the problem of plastic pollution on our Island begins with us. If you want to review the topics discussed and solutions explored, or if you were not able to attend, we invite you to see the recording of the event here, or at


Torres Barreto, B. May 19, 2022, Reducir y reusar, antídotos del plástico. Opinión. El Nuevo Día. p.46. 

Weekly Water Quality Monitoring

Here are the results for the evaluation conducted on Thursday, May 19, 2022.  We continue with a green flag in the Laguna del Condado Estuarine Reserve. There’s a red flag area in the lagoon—we recommend avoiding this area and looking out for precipitation events.

The actions for the restoration and management of bodies of water within the San Juan Bay Estuary Watershed are possible thanks to the public. Donations to the San Juan Bay Estuary Program are deductible from Puerto Rico and US tax returns.

For more info, go to

Follow us on social media, where we share information on activities which will contribute to your knowledge and personal and professional development. If you have any doubts or questions, please contact us through [email protected].

Register as a volunteer, HERE.

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