LON D WRIGHT POWER PLANT
NPDES ID: NE0001252
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 3 effluent violations, 2 single-event violations, 6 reporting violations.
Violations
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
pH
0% over limit
Discharged 0 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
November 30, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
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
October 31, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
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
September 30, 2025
Temperature, water deg. fahrenheit
16% over limit
Discharged 104 deg F against a permitted limit of 90 deg F (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
pH
0% over limit
Discharged 9.11 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Temperature, water deg. fahrenheit
1% over limit
Discharged 91 deg F against a permitted limit of 90 deg F (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
Temperature, water deg. fahrenheit
4% over limit
Discharged 94 deg F against a permitted limit of 90 deg F (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Temperature, water deg. fahrenheit
12% over limit
Discharged 101 deg F against a permitted limit of 90 deg F (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Temperature, water deg. fahrenheit
3% over limit
Discharged 93 deg F against a permitted limit of 90 deg F (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)