# SAM #C212-JA-001

Ceiling Increase for Oily Wastewater Barge Services Contract at Yokosuka, Japan

**Buyer:** NAVSUP Fleet Logistics Center Yokosuka
**Posted:** September 25, 2026
**Identifier:** C212-JA-001
**NAICS:** 562211, 562998, 488390

This notice announces a ceiling increase for an existing contract supporting oily wastewater barge services at Yokosuka, Japan.
- Contract ceiling increased by $4,303,835 for continued services
- Services provided by SEAON Environmental LLC (incumbent contractor)
- Supports U.S. Navy Surface Combatants and Nuclear-Powered Aircraft Carriers
- Ensures continuous, mission-essential collection, processing, and disposal of oily wastewater
- Critical for operational readiness and environmental compliance during ship overhauls and port visits
- Sole source justification due to specialized permits, equipment, and immediate availability
- No new procurement or competition; modification to existing contract
- No product line items or part numbers specified
- Ordering period: March 5, 2026 – March 4, 2027
- All task orders must be issued before contract expiration
- Supports emergent and surge requirements within the period

### Description

<p><strong>POSTING PURPOSE ONLY</strong><br />
<br />
This justificaiton is for<strong>&nbsp;</strong>ceiling increase to an active FFP IDIQ contract for continuous, mission-essential oily wastewater services in Japan, ensuring zero disruption to regional fleet operations.</p>

[View original listing](https://sam.gov/opp/c989b6ebf973431792f42b73283dd63e/view)