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Draft NPDES Permit for Arecibo RWWTP for Guaynabo, Puerto Rico

Below are EPA's National Pollutant Discharge Elimination System (NPDES) final permit and supporting documents for Arecibo RWWTP.

  • Permit Number: PR0023710
  • Public Notice Date: 9/5/2025
  • Public Notice Comment Period End Date: 10/6/2025
  • Permit Effective Date: N/A 
  • Permit Expiration Date: N/A 
  • Public Notice Aug 2025

  • 2025 Arecibo RWWTP FS NPDES PR0023710 (pdf) (728.62 KB)
  • 2025 Arecibo RWWTP Permit NPDES PR0023710 (pdf) (635.12 KB)
  • Arecibo 301h Decision Document June 2024 (pdf) (833.08 KB)
Contact Us about EPA in Puerto Rico to ask a question, provide feedback, or report a problem.
Last updated on September 5, 2025
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