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Draft NPDES Permit for Isabela Wastewater Treatment Plant in Puerto Rico

Below are EPA's National Pollutant Discharge Elimination System (NPDES) draft permit and supporting documents for the Isabela Wastewater Treatment Plant in Isabela, Puerto Rico.

Permit number: PR0022250
Public Notice Date: 4/17/2026
Public Notice Comment Period End Date: 5/18/2026
Permit Effective Date: TBD
Permit Expiration Date: TBD

Draft Permit (pdf) (510.03 KB)
Fact Sheet (pdf) (1.42 MB)
Final Permit (PDF) (14.87 MB)
Public Notice (pdf) (148.91 KB)