CANYON FUEL CO., LLC - SKYLINE

NPDES ID: UT0023540

X — SNC: Effluent violation (non-monthly average limit)

The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.

This quarter: 5 effluent violations.

Violations

May 31, 2026

Iron, total [as Fe]

91% over limit

Discharged 0.86 mg/L against a permitted limit of 0.45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

April 30, 2026

Iron, total [as Fe]

73% over limit

Discharged 0.78 mg/L against a permitted limit of 0.45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Oxygen, dissolved [DO]

14% over limit

Discharged 4.31 mg/L against a permitted limit of 5 mg/L (DAILY MN)

DMR, Limited - Numeric Violation

March 31, 2026

Iron, total [as Fe]

69% over limit

Discharged 0.76 mg/L against a permitted limit of 0.45 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (5 days ago)