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Draft NPDES Permit for Isabela Water Treatment Plant in Isabela, Puerto Rico

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

Permit number: PR0026638
Public Notice Date: 11/25/2025
Public Notice Comment Period End Date: 1/12/2026
Effective date: TBD
Permit expires: TBD

Fact Sheet (pdf) (736.07 KB)
Draft Permit (pdf) (555.1 KB)
Public Notice (pdf) (107.24 KB)