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Estuario Weekly Update

An estuarine greeting! Below, we share opportunities for collaboration, volunteering, and training for this week, through initiatives and actions scheduled to benefit the ecosystems of the San Juan Bay Estuary and its communities.

Earth Month Begins

Earth Day Winning Poster (Ages 5-17) in, by Luke P.B.

Monday, April 22, 2024, will be Earth Day. We will be celebrating all month, with activities organized to benefit the bodies of water and ecosystems of the San Juan Bay Estuary. The theme of this year’s Earth Day is: Planet vs. Plastics.

Celebrate the beginning of the month with us, and join our Aquatic Debris Manager, Cristina Ramírez, to the workshop, Plastics to Microplastics: Public Policy and Impacts; An illustration of the effects of plastic on our ecosystems and the steps we’ve taken to ease the problem.

The workshop will be on Thursday, April 4, at 7:00 p.m. via Zoom. Register, here.

We will also have family activities, field trips, and more workshops on the topics of bird censuses, water quality, and coastal resilience.

See all the activities we have scheduled during the month of April, in

And of course, we’ll have Puerto Rico Water Quality Day!

Water Quality Day of Puerto Rico

The sixteenth Water Quality Day of Puerto Rico will be on Saturday, April 13, 2024, from 9:00 a.m. to 11:00 a.m., at a body of water near you.

Have you already registered your group? It’s time to take the training workshop and pick up your water quality kit. Workshops are available from April 1 to 11 throughout the island. There are also virtual workshops. Sign up for your workshop today, at:

Family Day at Condado Lagoon Natural Estuarine Reserve

We continue Earth month with the Family Day! On Saturday, April 6, 2024, we will have games, an interpretive tour (with Contacto Verde hours), a Water Quality Day of Puerto Rico training workshop, and Cine del Estuario. See you there! See more information at:

Cine del Estuario

Cine del Estuario presents: Elemental; on Saturday, April 6, 2024, at 7:00 p.m. in the Jaime Benítez Park of the Condado Lagoon Natural Estuarine Reserve. The film will be screened in Spanish with English subtitles. As always, this feature is free of cost. Bring your blanket or chair!

Employment Opportunities

Estuario Resident Artists—Request for proposal – Estuario Resident Artists generate artistic expressions with the aim of involving citizens in the process of conservation and restoration of the estuarine basin, in a creative and culturally relevant way.  Through dialogue and exchange of ideas on the restoration and conservation of the estuarine ecosystem, the resident artists manage to increase environmental awareness and facilitate the development of a resilient watershed.

See more information at:

Certification for Citizen Scientists

Below are the upcoming events scheduled. We add more activities regularly. See more information at:

Microplastics Characterization and Reduction Module:

April 4 – Thematic Workshop: Plastic to Microplastics: Public Policy and Impacts; with Cristina Ramírez, Aquatic Debris Manager, from 7:00 p.m. to 8:00 p.m. via Zoom

Coastal Resilience Module:

April 5 – Field trip: seed collection; with Andreína Alexatos, arborist, from 8:30 a.m. to 11:30 a.m. in the Piñones State Forest

April 6 – Field trip: planting coastal vegetation with Andreína Alexatos, from 8:30 a.m. to 11:30 a.m. at Shacks Beach, Isabela

April 9 – Thematic Workshop: Ecological Assessment of Marine Habitats: Coral Communities and Seagrasses; with Daritzel Cintrón, Coastal Resilience Coordinator, from 7:00 p.m. to 8:00 p.m. via Zoom

April 11 – Field trip: coastal vegetation monitoring; with Andreína Alexatos, from 8:30 a.m. to 11:30 a.m. at Condado Lagoon

April 12 – Field Trip: Ecological Assessment of Coral Communities; with Daritzel Cintron, from 8:00 a.m. to 11:00 a.m. at Condado Lagoon

April 13 – Field trip: planting coastal vegetation with Andreína Alexatos, from 8:30 a.m. to 11:30 a.m. in Aguada

Water Quality Module:

April 11 – Thematic Workshop: Bacteriological Monitoring: Beyond What We See; with Rebeca Rivera, Monitoring Coordinator, from 7:00 p.m. to 8:00 p.m. via Zoom

Educational Activities at the Condado Lagoon

Bring your school group to the Condado Lagoon Natural Estuarine Reserve! The San Juan Bay Estuary Partnership is offering educational activities at the Jaime Benítez Park, including interpretive tours, workshops and other activities related to the topics of biodiversity, ecosystems, water quality, green infrastructure and coastal resilience. 

Spaces are available Monday through Friday, between 8:00 a.m. and 12:00 p.m., for groups of all levels (K-12), from public schools, private schools, or homeschoolers with a maximum of 30 participants per activity. These activities count towards Contacto Verde hours.

To coordinate, write to us at: [email protected]

Media coverage

Brenda Torres Barreto. March 23, 2024. Agua y paz. Opinión. El Nuevo Día. p.30.

Other activities

Discussion at the UPR-RP:

Last Wednesday, March 20, our aquatic waste manager, Cristina Ramírez, participated in the discussion, Geographers in conservation, as part of the Environmental Conservation course, GEOG 3585 of the Department of Geography of the University of Puerto Rico, Río Piedras Campus. Cristina shared her experiences as a geographer in the conservation area with Adriana Gonzalez, from Sierra Club Puerto Rico. We thank Professor Eliezer Nieves for extending this invitation.

Planting of coastal vegetation:

Last Saturday, March 23, 50 volunteers planted around 1,500 specimens of coastal vegetation in Luquillo, together with the Coalition for the Ecological Corridor of the Northeast, EcoCulture and Reforesta. Thank you to all the participants, Rocky from the Pro-CEN Coalition, Mario García, Agnes Pagán and Andreína Alexatos, who led the event.

Support us with your refund

By making your individual contribution in 2024, support the Estuary with the refund of your tax return. Look for the option “Contribution to the Special Fund for the San Juan Bay Estuary“, on line 1B of the “Refund” box. Read more, here.

Weekly water quality monitoring

Evaluation carried out on Thursday, March 28, 2024. We have a GREEN flag for the Condado Lagoon. We recommend avoiding the area that exceeded the Beach Action Value water quality parameter for enterococci of 70 CFU/100 ML. Remember to avoid the water during rain events. Have a good weekend.

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