NPDES LA0125431 · Clean Water Act
UOP LLC - UOP SHREVEPORT PLANT, Shreveport, LA: NPDES LA0125431 discharge permit, effluent exceedances, inspections, penalties
UOP LLC - UOP SHREVEPORT PLANT, Shreveport, Louisiana: Individual permit LA0125431, held by UOP, LLC; Administratively continued; issued September 24, 2018, term to October 31, 2023.
- pH: 10 limits, 45 violations of any kind, 5 effluent exceedances, latest February 29, 2024.
- Carbon, tot organic [TOC]: 5 limits, 21 violations of any kind, 1 effluent exceedance, latest November 30, 2021, largest 41% over the limit.
- Oil and grease: 5 limits, 21 violations of any kind, 1 effluent exceedance, latest December 31, 2021, largest 24% over the limit.
- Nitrogen, ammonia total [as N]: 8 limits, 36 violations of any kind.
- Aluminum, total [as Al]: 8 limits, 36 violations of any kind.
- Iron, total [as Fe]: 8 limits, 36 violations of any kind.
- Flow, in conduit or thru treatment plant: 10 limits, 28 violations of any kind.
- Chlorine, total residual: 4 limits, 21 violations of any kind.
- Temperature, water deg. fahrenheit: 4 limits, 18 violations of any kind.
- July 17, 2026: Evaluation (S).
UOP LLC - UOP SHREVEPORT PLANT among its neighbors
11 discharge permits are in the Twelvemile Bayou Outlet subwatershed (HUC 111403040303); LA0125431 is one. Its county: 129, 6 major; LA0125431 is minor permit.
Other permits in the Twelvemile Bayou Outlet subwatershed (HUC 111403040303)
- AMAZON.COM SERVICES INC - SHV1, Shreveport: LAR05Q256, minor, term to 2026-10-26
- BLANCHARD, TOWN OF - WASTEWATER TREATMENT PLANT, Blanchard: LA0038903, minor, term to 2020-04-30
- CADDO PARISH SEWERAGE DISTRICT #2, Shreveport: LA0020320, minor, term to 2021-04-30
- E AND L DEVELOPMENT, INC - NORTH FORTY PROJECT, Shreveport: LAR10Q756, minor, term to 2028-02-18
- GENDERAL SHALE BRICK INC - CADDO PIT, Mooringsport: LAR05Q289, minor, term to 2026-10-26
- JOHN MILLER - HILLCREST BUILDERS & CONST INC - MILLER CROSSING, Shreveport: LAG560493, minor, term to 2030-04-30
- MILBAR HYDRO-TEST, INC., Shreveport: LAR05Q297, minor, term to 2026-10-26
- MILBAR HYDROTEST INC, Shreveport: LA0098698, minor, term to 2013-03-31
- SEWER DISTRICT #7 WWTP, Shreveport: LA0097276, minor, term to 2022-04-30
- SHREVEPORT, CITY OF (N HIGHLAN, Shreveport: LAL042188, major, term to 2025-12-31
Identity
| Facility | UOP LLC - UOP SHREVEPORT PLANT |
|---|---|
| Permittee | UOP, LLC |
| NPDES ID | LA0125431 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | September 24, 2018 |
| Expires | October 31, 2023 |
| Address | Shreveport, LA 71107 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Twelvemile Bayou Outlet (HUC 111403040303) |
NPDES LA0125431: effluent limits and exceedances
UOP LLC - UOP SHREVEPORT PLANT (NPDES LA0125431): 9 pollutants on file, 9 limited; 9 with a violation of any kind, 3 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| pH | 10 | 45 | 5 | February 29, 2024 | |
| Carbon, tot organic [TOC] | 5 | 21 | 1 | November 30, 2021 | 41% over the limit |
| Oil and grease | 5 | 21 | 1 | December 31, 2021 | 24% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 36 | 0 | ||
| Aluminum, total [as Al] | 8 | 36 | 0 | ||
| Iron, total [as Fe] | 8 | 36 | 0 | ||
| Flow, in conduit or thru treatment plant | 10 | 28 | 0 | ||
| Chlorine, total residual | 4 | 21 | 0 | ||
| Temperature, water deg. fahrenheit | 4 | 18 | 0 |
NPDES LA0125431: inspections, violations and enforcement
NPDES LA0125431: 1 inspection
| Date | What EPA recorded | Agency |
|---|---|---|
| July 17, 2026 | Evaluation | S |
NPDES LA0125431 (UOP LLC - UOP SHREVEPORT PLANT): no single-event violation, formal enforcement action and informal enforcement action on file.
Watch NPDES LA0125431
NPDES LA0125431: one email when its EPA record changes — $99/month.
Permits near NPDES LA0125431
NPDES LA0125431: 9 pollutant rows, 1 dated events; ICIS-NPDES download, loaded September 15, 2026.