Non-Compliance Clean Air Act Clean Water Act RCRA

THOMA-SEA MARINE CONSTRUCTORS LLC - HOUMA FACILITY

Quick Summary

•Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
•Assessed $0 in total penalties since records began.

Address: 1874 INDUSTRIAL BLVD
HOUMA, LA 70363
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County: TERREBONNE PARISH County
Industry: Manufacturing
NAICS (North American Industry Classification): 336611
Inspections: 2 · last Jan 30, 2025
Total Penalties: $0
Registry ID: 110027225483

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

Air (CAA)
Qtrs Non-Compliant

Water (CWA)
Qtrs Non-Compliant

Hazardous Waste (RCRA)
Qtrs Non-Compliant

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program	Type	Violation Date	Return to Compliance	Status
rcra	Standards Applicable to Generators of HW: General	Apr 9, 2024	Apr 10, 2024	Resolved
rcra	Standards Applicable to Recordkeeping and Reporting Applicable to Small and Large Quantity Generators	Apr 9, 2024	Apr 10, 2024	Resolved
rcra	Standards for Universal Waste Management: Standards for Small Quantity Handlers	Apr 9, 2024	Apr 9, 2024	Resolved
rcra	Standards Applicable to Generators of HW: General	Aug 8, 2017	Mar 19, 2018	Resolved
rcra	Standards Applicable to Generators of HW: Pre-Transport Requirements Applicable to Small and Large Quantity Generators	Aug 8, 2017	Feb 22, 2018	Resolved

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant	Violation	Reported	Limit	Exceedance	Period	Status
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	53.00 mg/L	45.00	+18%	Dec 2025	Open
Solids, total suspended	DMR, Limited - Numeric Violation	39.00 mg/L	30.00	+30%	Dec 2025	Open
Solids, total suspended	DMR, Limited - Numeric Violation	43.00 mg/L	30.00	+43%	Dec 2025	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	53.00 mg/L	30.00	+77%	Dec 2025	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	42.00 mg/L	30.00	+40%	Jun 2025	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	51.00 mg/L	45.00	+13%	Jun 2025	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	45.00 mg/L	30.00	+50%	Jun 2025	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	2,419.60 MPN/100mL	400.00	+99,999%	Dec 2024	Open
Solids, total suspended	DMR, Limited - Numeric Violation	36.00 mg/L	30.00	+20%	Dec 2024	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	2,419.60 MPN/100mL	200.00	+99,999%	Dec 2024	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	49.00 mg/L	30.00	+63%	Dec 2024	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	58.00 mg/L	45.00	+29%	Dec 2024	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	49.00 mg/L	45.00	+9%	Dec 2024	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	58.00 mg/L	30.00	+93%	Dec 2024	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	38.00 mg/L	30.00	+27%	Dec 2024	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	2,419.60 MPN/100mL	200.00	+99,999%	Dec 2024	Open
Coliform, fecal general	DMR, Limited - Numeric Violation	2,419.60 MPN/100mL	400.00	+99,999%	Dec 2024	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	79.00 mg/L	45.00	+99,999%	Jun 2024	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	79.00 mg/L	30.00	+99,999%	Jun 2024	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	49.00 mg/L	45.00	+99,999%	Dec 2023	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	29.00 mg/L	30.00	+99,999%	Dec 2023	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	83.00 mg/L	45.00	+84%	Dec 2023	Open
Oxygen demand, chem. [high level] [COD]	DMR, Limited - Numeric Violation	514.00 mg/L	300.00	+71%	Dec 2023	Open
Oxygen demand, chem. [high level] [COD]	DMR, Limited - Numeric Violation	514.00 mg/L	200.00	+157%	Dec 2023	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	49.00 mg/L	30.00	+99,999%	Dec 2023	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	76.00 mg/L	30.00	+153%	Dec 2023	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	49.00 mg/L	45.00	+9%	Dec 2023	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	45.00 mg/L	30.00	+50%	Jun 2023	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	37.00 mg/L	30.00	+23%	Jun 2022	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	35.00 mg/L	30.00	+17%	Dec 2021	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	35.00 mg/L	30.00	+17%	Dec 2021	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	35.00 mg/L	30.00	+17%	Jun 2021	Open
BOD, 5-day, 20 deg. C	DMR, Limited - Numeric Violation	42.00 mg/L	30.00	+40%	Dec 2020	Open
Solids, total suspended	DMR, Limited - Numeric Violation	51.00 mg/L	30.00	+70%	Dec 2019	Open
Solids, total suspended	DMR, Limited - Numeric Violation	51.00 mg/L	45.00	+13%	Dec 2019	Open
Solids, total suspended	DMR, Limited - Numeric Violation	54.00 mg/L	30.00	+80%	Dec 2018	Open
Solids, total suspended	DMR, Limited - Numeric Violation	54.00 mg/L	45.00	+20%	Dec 2018	Open

Enforcement Actions

Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.

WRITTEN INFORMAL

RCRA (Hazardous Waste) · Case RCRA-LAR000062372-092 · Apr 26, 2024

NOTICE OF POTENTIAL PENALTY

RCRA (Hazardous Waste) · Case RCRA-LAR000062372-140 · Mar 14, 2018