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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.

Global Big Day 2022

The Global Big Day is here!  Join this worldwide birding celebration with Estuario, tomorrow, Saturday, May 14.  Create your account on and follow the contribution, globally and in real time, of other citizen scientists like you. If you need help identifying a bird, share it with us on social media!

Participatory Bird Census

We have additional spaces available for the participatory bird census tomorrow, Saturday, May 14, at 7AM in Piñones State Forest. Sign up now to participate, in

Request for Proposal

Estuary seeks people or entities to contribute Resources and Waste Management Integration Analysis and Recommendations.  

A requisite briefing will be held on Thursday, May 19, 2022. 

Beyond Plastics

Today’s (Friday, May 13, 2022) instance of the training, Beyond Plastics: Problem and Solutions in Puerto Rico; was a success. It will repeat tomorrow, Saturday, May 14, 2022, at 10AM by Zoom. Don’t miss it!

Certification for Citizen Scientists

We continue with the round of elective workshops for the estuarine certification of citizen scientists. Don’t miss the upcoming workshops for the thematic modules for Participatory Bird Censuses, Water Quality Monitoring and Coastal Resilience:

  • Bacteriological Analysis: Quanti-Tray Method – Wednesday, May 18, 3PM
  • Mangroves and Sand Dunes: Resilience of Coastal Ecosystems – Wednesday, May 25, 3PM

Learn more about the certification process and register today.

Media Coverage

Editorial. May 5, 2022. Discutirán los efectos del plástico en el ambiente. Ambiente. Ey Boricua. Web.

TeleOnce TV. May 6, 2022. Transparente misión y compromiso del Estuario de San Juan con nuestros recursos naturales. Vívelo verde. Las Noticias. Web.

Weekly Water Quality Monitoring

Results of evaluation carried out on Thursday, May 12, 2022. We continue with a green flag throughout the five monitoring stations at the Condado Lagoon Estuarine Reserve. We report a red flag area along the coast—we recommend avoiding this area and remaining attentive to 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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