EPA v. Messer LLC - Cinnaminson Groundwater Contamination
Unilateral Administrative Order Without Adjudication
Case summary
This is a Unilateral Administrative Order (UAO) issued to Respondent for the vapor intrusion portion of the remedial action for Operable Unit 3 of the Cinnaminson Groundwater Contamination Site. Under the UAO, Respondent with install vapor intrusion mitigation systems as required and perform operations, maintenance, and monitoring of existing and future vapor intrusion mitigation systems. UAO modification signed on November 19, 2025.
Defendants (1)
- Messer LLCNamed in settlement
Facilities (1)
CINNAMINSON TOWNSHIP (BLOCK 702) GROUND WATER CONTAMINATION
1017 UNION LANDING ROAD, CINNAMINSON, NJ, 08077
Registry ID: 110009260487
Statutes cited
- CERCLA 106A — Imminent & Substantial Endangerment Order
Enforcement conclusions (2)
Messer LLC - Cinnaminson Groundwater Contaminationentered 2025-09-30
Primary law: CERCLA
Messer LLC - Cinnaminson Groundwater Contaminationentered 2025-11-19
Primary law: CERCLA
Timeline (2 milestones)
- 2025-10-01Enforcement Action Data Entered
- 2025-11-19Final Order Issued
Case metadata
- EPA activity ID
- 3604563527
- Case number
- 02-2025-2021
- Lead agency
- EPA
- EPA region
- 02
- Voluntary self-disclosure
- No
- Primary statute
- Imminent & Substantial Endangerment Order
Sourced verbatim from EPA ECHO Enforcement Case Report for case 02-2025-2021 . Bulk data: ICIS-FEC download summary.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.