APPALACHIAN POWER COMPANY DBA AMERICAN ELECTRIC POWER - MOUNTAINEER PLANT

NPDES ID: WV0048500

S — SNC: Compliance schedule violation

The facility missed a deadline in its compliance schedule by more than 90 days.

Violations

March 31, 2025

Aluminum, total recoverable

11% over limit

Discharged 0.398 mg/L against a permitted limit of 0.36 mg/L (MO AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)