LIRR - OYSTER BAY YARD

NPDES ID: NY0227030

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.

Violations

January 31, 2026

Solids, total dissolved [TDS]

41% over limit

Discharged 1410 mg/L against a permitted limit of 1000 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

December 31, 2025

Solids, total dissolved [TDS]

169% over limit

Discharged 2690 mg/L against a permitted limit of 1000 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

November 30, 2025

Lead, total [as Pb]

8% over limit

Discharged 0.054 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

February 28, 2025

Solids, total dissolved [TDS]

123% over limit

Discharged 2230 mg/L against a permitted limit of 1000 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (24 days ago)