# LYCOMING ENGINES/OLIVER ST PLT, WILLIAMSPORT PA: EPA ECHO compliance status: Significant Violation

**Remediation Urgency Score:** 76/100

| Field | Value |
|---|---|
| Facility | LYCOMING ENGINES/OLIVER ST PLT |
| EPA Registry ID | 110000334344 |
| Address | 652 OLIVER ST, WILLIAMSPORT, PA, 17701 |
| County | LYCOMING |
| Industry (NAICS) | 336412: Aircraft Engine and Engine Parts Manufacturing |
| SIC | 1799: Special Trade Contractors, 3721: Aircraft, 3724: Aircraft Engines And Engine Parts, 3728: Aircraft Parts And Equipment |
| Overall compliance status | Significant Violation |
| Significant noncomplier | Yes |
| Quarters in noncompliance (last 12) | 7 |
| Clean Water Act | Failure to Report DMR - Not Received |
| Clean Air Act | No Violation Identified |
| RCRA | No Violation Identified |
| Formal enforcement actions (5 years) | 1 |
| Total penalties | $7,500 |
| Last penalty | 05/17/2023 |
| Inspections (5 years) | 19 |
| Last inspection | 2026-08-26 |
| Watershed | Lower West Branch Susquehanna |

## Why this score
- Flagged as a significant noncomplier, the highest EPA priority tier.
- 7 of the last 12 quarters in noncompliance.
- Current violation under CWA.
- 1 formal enforcement action(s) in 5 years.
- $7,500 in penalties.
- Inspected within the last year (2026-08-26).

Source: U.S. EPA ECHO (Enforcement and Compliance History Online) (https://echo.epa.gov/detailed-facility-report?fid=110000334344). Last refreshed: 2026-11-03T18:05:36.266Z.
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.