RIVIAN AUTOMOTIVE, LLC

NPDES ID: IL0065269

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: 4 effluent violations.

Violations

June 30, 2026

Chlorine, total residual

40% over limit

Discharged 0.07 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chlorine, total residual

20% over limit

Discharged 0.06 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

April 30, 2026

Chlorine, total residual

40% over limit

Discharged 0.07 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chlorine, total residual

80% over limit

Discharged 0.09 mg/L against a permitted limit of 0.05 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

January 31, 2026

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

Chloride [as Cl]

0% over limit

Discharged 0 mg/L against a permitted limit of 500 mg/L (DAILY MX)

DMR, Limited - Overdue

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (6 days ago)