INTERNATIONAL PAPER CO, HOUSTON
NPDES ID: MSP090631
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
January 31, 2026
Nitrogen, Kjeldahl, total [as N]
2205% over limit
Discharged 233.35599804 kg/d against a permitted limit of 10.1242 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
2205% over limit
Discharged 233.35599804 kg/d against a permitted limit of 10.1242 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0.001362 kg/d against a permitted limit of 0.09988 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 41.47289965 kg/d against a permitted limit of 121.672 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (MO AVG)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0.99879999 kg/d against a permitted limit of 15.209 kg/d (DAILY MX)
DMR, Limited - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 24.0710798 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 289 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.011 MGD against a permitted limit of 0.085 MGD (MO AVG)
DMR, Limited - Overdue
Chemical Oxygen Demand [COD]
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 7.41 SU against a permitted limit of 5.5 SU (MINIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.8 SU against a permitted limit of 9.5 SU (MAXIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 498 mg/L against a permitted limit of 1200 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 64 mg/L against a permitted limit of 1200 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 5.32995996 kg/d against a permitted limit of 121.672 kg/d (DAILY MX)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0.82173999 kg/d against a permitted limit of 15.209 kg/d (MO AVG)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 12 mg/L against a permitted limit of 150 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0.052 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.036 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 268 mg/L against a permitted limit of 1200 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 20.96117982 kg/d against a permitted limit of 121.672 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 10.1242 kg/d (MO AVG)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 10.5 mg/L against a permitted limit of 150 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 1200 mg/L (MO AVG)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0.0359 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 28 mg/L against a permitted limit of 100 mg/L (DAILY MX)
DMR, Limited - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0.00454 kg/d against a permitted limit of 0.17252 kg/d (DAILY MX)
DMR, Limited - Overdue
November 30, 2025
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.17252 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (MO AVG)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.09988 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (DAILY MX)
DMR, Limited - Overdue
September 30, 2025
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 1200 mg/L (MO AVG)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 150 mg/L (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 (DAILY MX)
DMR, Monitor Only - Overdue
Oil & Grease
0% over limit
Discharged 0 mg/L against a permitted limit of 150 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 1200 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 1200 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (DAILY MX)
DMR, Limited - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 2 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 1200 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.085 MGD (MO AVG)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (MO AVG)
DMR, Limited - Overdue
August 31, 2025
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.085 MGD (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (MO AVG)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.17252 kg/d (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 (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 10.1242 kg/d (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 10.1242 kg/d (MO AVG)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 kg/d against a permitted limit of 15.209 kg/d (DAILY MX)
DMR, Limited - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.09988 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (MO AVG)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 kg/d against a permitted limit of 15.209 kg/d (MO AVG)
DMR, Limited - Overdue
July 31, 2025
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.17252 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 10.1242 kg/d (MO AVG)
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
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.085 MGD (MO AVG)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 10.1242 kg/d (DAILY MX)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.09988 kg/d (MO AVG)
DMR, Limited - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Oil & Grease
0% over limit
Discharged 0 kg/d against a permitted limit of 15.209 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (MO AVG)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 kg/d against a permitted limit of 15.209 kg/d (DAILY MX)
DMR, Limited - Overdue
June 30, 2025
Oil & Grease
0% over limit
Discharged 0 kg/d against a permitted limit of 15.209 kg/d (DAILY MX)
DMR, Limited - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0.085 MGD (MO AVG)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 10.1242 kg/d (DAILY MX)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.09988 kg/d (MO AVG)
DMR, Limited - Overdue
Chemical Oxygen Demand [COD]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.17252 kg/d (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (DAILY MX)
DMR, Limited - Overdue
Oil & Grease
0% over limit
Discharged 0 kg/d against a permitted limit of 15.209 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 10.1242 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (MO AVG)
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
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 kg/d against a permitted limit of 121.672 kg/d (DAILY MX)
DMR, Limited - Overdue
March 31, 2025
BOD, 5-day, 20 deg. C
33% over limit
Discharged 1593 mg/L against a permitted limit of 1200 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)