LON D WRIGHT POWER PLANT

NPDES ID: NE0001252

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

This quarter: 3 effluent violations, 2 single-event violations, 6 reporting violations.

Violations

May 31, 2026

Chlorine, total residual

50% over limit

Discharged 0.015 mg/L against a permitted limit of 0.01 mg/L (MO AVG)

DMR, Limited - Numeric Violation

April 30, 2026

Chlorine, total residual

50% over limit

Discharged 0.03 mg/L against a permitted limit of 0.02 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Chlorine, total residual

90% over limit

Discharged 0.019 mg/L against a permitted limit of 0.01 mg/L (MO AVG)

DMR, Limited - Numeric Violation

March 31, 2026

Conductivity

0% over limit

Discharged 0 umho/cm against a permitted limit of 0 umho/cm (MO AVG)

DMR, Monitor Only - Overdue

Chloride [as Cl]

0% over limit

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

DMR, Monitor Only - Overdue

Conductivity

0% over limit

Discharged 0 umho/cm against a permitted limit of 0 umho/cm (DAILY MX)

DMR, Monitor Only - Overdue

First flagged

April 14, 2026 (5 months ago)

Last confirmed

September 15, 2026 (5 days ago)