# City Of Humble Southwest WWTP: 600-gallon sewage overflow (grease blockage) in Harris County, TX

**Score:** 35/100

| Field | Value |
|---|---|
| Utility / system | City Of Humble Southwest WWTP |
| System type | Treatment plant (WWTP) |
| TCEQ RN | RN102179447 |
| Permits | STORMWATER-PERMIT-TXR05FM79; WASTEWATER-EPA ID-TX0034401; WASTEWATER-PERMIT-WQ0010763002 |
| Volume | 600 gallons |
| Cause | GREASE BLOCKAGE |
| Source | Texas Commission on Environmental Quality (TCEQ) Sanitary Sewer Overflows (data.texas.gov) |
| County | Harris |
| TCEQ region | Houston |
| Dates | 2026-06-27 |
| Reported | 2026-06-29 |
| Incident number | 460927 |

## 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.