TENASKA GATEWAY GENERATION STATION

NPDES ID: TX0118559

D — SNC: Discharge monitoring report not received

The facility didn't submit its required discharge monitoring report.

This quarter: 2 reporting violations.

Violations

June 30, 2025

LC50 Pass/Fail Static 24Hr Acute Pimephales promelas

0% over limit

Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (SINGSAMP)

DMR, Monitor Only - Overdue

LC50 Pass/Fail Static 24Hr Acute D. Pulex

0% over limit

Discharged 0 pass=0;fail=1 against a permitted limit of 0 pass=0;fail=1 (SINGSAMP)

DMR, Monitor Only - Overdue

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (5 days ago)