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Estuario Weekly Update

Estuarine greetings! Through our weekly update, we inform residents and friends of the San Juan Bay estuary watershed communities about events, projects, activities and training opportunities.

Employment opportunities


Estuario is requesting proposals from experienced organizations/firms with a proven and successful track record to conduct an Environmental Health Impact Assessment (HIA) as the Estuario’s Public Health Service Provider. 

View the  RFP:

Certification for citizen scientists

We’re certifying high school students—grades 9 to 12—through the coastal resilience module.  The certification includes an introductory workshop, an elective workshop and two field trips related to the ecosystem of your choice: seagrass, mangroves or coral reefs.

Through the certification, you will be able to do your Green Contact or community service hours.

The certification and hours are open to public and private school students. Requires the company of an adult on field trips.

For more information and to coordinate your participation, please contact us by email at: [email protected] and [email protected].

Here are the scheduled workshops and field trips for all Modules:

Coastal Resilience Module:

  • May 24 – Thematic workshop: Introduction to coastal resilience; with Patria Aponte Marcano, from 7:00 p.m. to 8:00 p.m. via Zoom.
  • May 30 – Thematic workshop: Ecological rehabilitation with red mangrove planting; from 7:00 p.m. to 8:00 p.m. via Zoom.

Water Quality Module:

  • May 23­­­ – Field trip: water quality monitoring in San Juan Bay; from 9:00 a.m. to 12:00 p.m., meeting place will be announced.
  • May 25  – Field trip: bacteriological monitoring in Laguna del Condado and nearby coast;  from  9:00 a.m. to 12:00 p.m.
  • May 26 – Field trip: water quality monitoring—Las Curías Reservoir and Río Piedras; from 9:00 a.m. to 12:00 p.m.

Microplastics Characterization and Reduction Module:

  • May 27 – Field trip: characterization of microplastics; 9:00 a.m. to 11:00 a.m., location will be announced.

Sign up today! View all events and additional information about the certification process and thematic modules, in

Bird census in Piñones as part of the Global Big Day 2023

Estuarine shoutout and thank you! to all the scientific citizens who accompanied us to the Global Big Day in the Piñones State Forest, last Saturday, May 13th!  

See the photo gallery here.

Maritime Photography Exhibition

Last Thursday, May 11, the H2O Photographic Collective inaugurated the Maritime Photography Exhibition at the Pública Espacio Cultural gallery in Santurce—a collaborative effort that united 70 photographers dedicated to highlighting the power of nature.

For the second consecutive year, Estuario joined this event, along with other collaborators such as Surfrider Puerto Rico, Vieques History and Conservation Trust, CRES and Cleanwater PR.  We wish to thank the organizers: Manuel “Gonzo” González and Salvi Colón!

Monitoreo bacteriológico semanal

Evaluation carried out on Thursday, May 18, 2023. We have a GREEN flag for the Condado Lagoon Natural Estuarine Reserve. All stations passed the water quality parameter for enterococci (70 CFU/100mL). We recommend avoiding direct contact with these bodies of water during rain events.

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