Puerto Rico Impaired Waters List

These documents detail Puerto Rico's 303(d) lists of impaired waters and EPA actions from past cycles

2024

• Puerto Rico 2024 Integrated Report (pdf) (6.6 MB, 7/30/2024)
• Puerto Rico 2024 303(d) List (pdf) (1011.71 KB, 7/30/2024)
• Puerto Rico 2024 Integrated Report Factsheet (pdf) (177.2 KB, 7/30/2024)
• EPA Approval Letter for Puerto Rico 2024 303(d) List (pdf) (210.65 KB)  and  EPA Support Document (pdf) (179.32 KB, 7/30/2024)

2022

• Submission: Puerto Rico 2022 Integrated Report (pdf) (7.55 MB, 10/13/2023)
• Submission: Puerto Rico 2022 303(d) List (pdf) (983.66 KB, 10/13/2023)
• Factsheet: Puerto Rico 2022 Impaired Waters List (pdf) (175.54 KB, 10/13/2023)
• EPA Region 2 Decision Letter for Puerto Rico's 2022 303(d) List (pdf) (217.77 KB, 10/13/2023) and  Support Document (pdf) (179.51 KB, 10/13/2023)

2020

• Puerto Rico 2020 Impaired Waters List (PDF)(60 pp, 2 MB)
• Factsheet: Puerto Rico 2020 Impaired Waters List (PDF)(5 pp, 202 K)

2018

• Puerto Rico 2018 Impaired Waters List (PDF)(110 pp, 2 MB)
• Factsheet: Puerto Rico 2018 Impaired Waters List (PDF)(4 pp, 172 K)

2016

• Puerto Rico 2016 Impaired Waters List (PDF)(79 pp, 993 K)
• Factsheet: Puerto Rico 2016 Impaired Waters List (PDF)(5 pp, 247 K, 01-2017)

2014

• Puerto Rico 2014 Impaired Waters List (PDF)(167 pp, 3 MB)
• Factsheet: Puerto Rico 2014 Impaired Waters List (PDF)(4 pp, 51 K)