Puerto Rico 2022 River Basin Symposium

From mountain to estuary, from plan to action

Thursday, March 10, 2022 


Watershed management. To emphasize issues that will help watershed managers and custodians implement improvement actions, thus reducing erosion and sedimentation, as well as point and non-point sources or contamination.


To present a series of panels led by questions or topics:


Planning & Management Panel


  • How is a management plan established and how can mitigation measures be incorporated?
  • What are the challenges of implementing a management plan and who has to solve them?
  • Governance structures. How are they developed? Examples in PR? Learned lessons? Suggestions or suggested governance platform.
Public Policy Panel


  • Are changes in public policy necessary to facilitate river basin management?
  • How can public policy be used to implement adequate governance structures?
Keynote Speaker

Tim Dekker, PHD, PE

President, LimnoTech

Tim Dekker, PHD, PE, is the President of LimnoTech. Dr. Dekker is an Environmental and Water Resources Engineer with expertise in the river, lake, and estuary remediation and restoration. Tim has led scientific studies and technical projects in natural and urban water systems throughout North America, describing the dynamics of surface water, sediments, and groundwater systems. In these projects, he has analyzed and implemented mitigation measures to deal with the effects of urban flooding, analyzing contaminant fate and transport, applying contaminant forensic techniques to understand the history of contaminated sites. He has contributed to many successful national design competitions and projects focusing on the restoration and revitalization of urban waterfronts and works around the United States and Canada to advance the science and practice of urban water management. Tim works at LimnoTech’s Corporate Headquarters in Ann Arbor, Michigan.


Wednesday, March 9 — Pre-symposium field trip to the Río Grande de Añasco Basin
  1. Starting Point (215097, -67.139374): University of Puerto Rico, Civil Engineering and Surveying Dept (Parking Lot)
    • Presenter # 1: Prof. Ismael Pagán-Trinidad, CRC (Brief 5 min. introduction)
    • Presenter # 2: Dr. Patrick N. Deliman, Patrick, USACE (Brief 5 min. introduction)

[25 min. de UPR-Mayagüez to Ajíes Dam]


  1. Ajíes Dam (18.298161°, -67.137101°):
    • Presenter #1: Mr. Luis A. Cruz-Arroyo, NRCS
    • Presenter # 2: Mr. Mario Rodríguez, NRCS
    • Presenter # 3: Dr. Eric Harmsen, UPR-M (Description of the Añasco River Watershed and his research)

[10 min. from Ajíes Dam to Ovejas Bridge]


  1. Ovejas Bridge (18.272885, -67.126913):
    • Presenter: Prof. Ismael Pagán-Trinidad, CRC

[5 min. from Ovejas Bridge to PRASA Water Intake]


  1. PR Aqueduct & Sewer Authority Water Intake (18.264000°, -67.133800°):
    • Presenter # 1: Ing. Joel Lugo-Rosa, PRASA Infrastructure Director
    • Presenter # 2: Dr. Walter Silva, PRWRERI

[20 min. from PRASA Water Intake to La Boquilla Nature Reserve]


  1. Boquilla Village and Nature Reserve (18.251226°, -67.176495°):
    • Presenter: Prof. Ismael Pagán-Trinidad, CRC

[5 min. from La Boquilla Nature Reserve to Paola Fishery]


  1. Paola Fishery (18.244504°, -67.173714°):
    • Presenter: Prof. Ismael Pagán-Trinidad, CRC

[15 min. from Paola Fishery to UPR-Mayagüez]

Thursday, March 10 — Puerto Rico Watershed Symposium 2022
  • 7:30 am – 8:20 am [50 min.]: Registration


  • 8:20 am – 8:30 am [10 min]: Welcome (Prof. Pagán-Trinidad from CRC & Dr. García-Bermúdez from USFWS)


  • 8:30 am – 10:30 am [2:00 hrs.]: Reports from agencies and NGOs (Moderator: Luis Villanueva)
    • 8:30 am: Dr. Miguel García-Bermúdez, USFWS Caribbean Ecological Services Field Office
    • 8:50 am: Mr. Luis A. Cruz-Arroyo & Mr. Mario Rodríguez, NRCS Caribbean Area
    • 9:10 am: Mr. Alberto Mercado, The Nature Conservancy
    • 9:30 am: Dr. Walter Silva, Puerto Rico Water Resources and Environmental Research Institute (PRWRERI)
    • 9:50 am: Dr. Jorge Bauzá, San Juan Bay Estuary Program
    • 10:10 am: Prof. Ismael Pagán-Trinidad, Coastal Resilience Center UPR-M


  • 10:30 am – 10:45 am [15 min.]: Break # 1


  • 10:45 am – 12:30 pm [1:45 min.]: Planning and Management Panel (Moderator: Alberto Mercado, TNC)
    • Joel Vega, National Association of Conservation Districts of PR (NACD-PR)
    • Raul Santini-Rivera, Department of Natural and Environmental Resources (DNER)
    • Roberto Viqueira, Watershed Protectors
    • Edgardo González-González, Center for Landscape Conservation


  • 12:30 pm – 1:15 pm [45 min.]: Lunch (in the Auditorium)


  • 1:30 pm – 2:30 pm [1:00 hr.]: Keynote speakers from the US Corps of Engineers
    • Keynote Speaker: Green Infrastructure & Low Impact Development in Practice – Dr. Tim Dekker (LimnoTech)
    • Overview of USACE – Jacksonville & ERDC regarding ongoing Water Projects in Puerto Rico: Dr. Chris Haring, Jackson USACE-ERDC and Mr. Wilmer Varela, Representative from USACE PR District Office
    • Questions and answers session


  • 2:30 pm – 2:40 pm [10 min.]: Break # 2


  • 2:40 pm – 4:25 pm [1:45 min.]: Public Policy Panel (Moderator: Iván Llerandi-Román)
    • Jorge Rivera-Santos, PR Water and Environment Research Institute (PRWRERI)
    • Joel Lugo-Rosa, Puerto Rico Aqueduct and Sewer Authority (PRASA)
    • Brenda Torres-Barreto, San Juan Bay Estuary Program
    • Tischa Muñoz-Erickson, Alliance for the Río Piedras Watershed


  • 4:40 pm – 5:00 pm [10 min.]: Final comments – Prof. Ismael Pagán-Trinidad
Friday, March 11 — Post-Symposium Workshop - Green Infrastructure for Watershed Management

Available soon.


Available after completion of Symposium.