# Air Force Plant 4 Lockheed Martin: 40-gallon sewage overflow (grease blockage) in Tarrant County, TX

**Score:** 35/100

| Field | Value |
|---|---|
| Utility / system | Air Force Plant 4 Lockheed Martin |
| System type | Treatment plant (WWTP) |
| TCEQ RN | RN100212356 |
| Permits | STORMWATER-PERMIT-TXR05M673 |
| Volume | 40 gallons |
| Cause | LINE BLOCKAGE (NON-GREASE) |
| Source | Texas Commission on Environmental Quality (TCEQ) Sanitary Sewer Overflows (data.texas.gov) |
| County | Tarrant |
| TCEQ region | Dfw Metroplex |
| Dates | 2026-07-01 |
| Reported | 2026-07-02 |
| Incident number | 461158 |

## Why this score
- Grease blockage: a fixable infrastructure cause.

Source: Texas Commission on Environmental Quality (TCEQ) Sanitary Sewer Overflows (data.texas.gov) (https://data.texas.gov/d/8kc5-95uk). Last refreshed: 2026-10-28T20:50:27.175Z.
From TCEQ Sanitary Sewer Overflow reports, which TCEQ publishes in monthly batches (recent weeks may not appear yet). Volumes are as reported by the utility and are often estimates. Utility/system level only. Verify with TCEQ.