# SOUTHWEST SHIPYARD, LP, CHANNELVIEW TX: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 93/100

| Field | Value |
|---|---|
| Facility | SOUTHWEST SHIPYARD, LP |
| EPA Registry ID | 110000463533 |
| Address | 18310 MARKET STREET, CHANNELVIEW, TX, 77530 |
| County | HARRIS COUNTY |
| Industry (NAICS) | 336611: Ship Building and Repairing |
| SIC | 3731: Ship Building And Repairing, 3732: Boat Building And Repairing, 4491: Marine Cargo Handling, 4952: Sewerage Systems, 4953: Refuse Systems |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 12 |
| Clean Water Act | Compliance/Permit Schedule - Violations |
| Clean Air Act | No Violation Identified |
| RCRA | Violation |
| Formal enforcement actions (5 years) | 6 |
| Total penalties | $66,550 |
| Last penalty | 10/15/2025 |
| Inspections (5 years) | 6 |
| Last inspection | 2024-12-05 |
| Watershed | Buffalo-San Jacinto |

## Why this score
- Flagged as a significant noncomplier, the highest EPA priority tier.
- 12 of the last 12 quarters in noncompliance.
- Violations under 2 statutes (CWA, RCRA): a multi-media problem.
- 6 formal enforcement action(s) in 5 years.
- $66,550 in penalties.

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110000463533). Last refreshed: 2026-11-04T18:09:33.420Z.
Compliance data comes from EPA ECHO and may lag state records; a violation flag is not a finding of wrongdoing. Informational only; not legal or engineering advice.