# Harris County MUD 565 WWTP: 450-gallon sewage overflow (grease blockage) in Harris County, TX

**Score:** 35/100

| Field | Value |
|---|---|
| Utility / system | Harris County MUD 565 WWTP |
| System type | Treatment plant (WWTP) |
| TCEQ RN | RN110378080 |
| Permits | WASTEWATER-EPA ID-TX0138525; WASTEWATER-PERMIT-WQ0015683001 |
| Volume | 450 gallons |
| Cause | LINE BLOCKAGE (NON-GREASE) |
| Source | Texas Commission on Environmental Quality (TCEQ) Sanitary Sewer Overflows (data.texas.gov) |
| County | Harris |
| TCEQ region | Houston |
| Dates | 2026-07-23 |
| Reported | 2026-07-29 |
| Incident number | 462852 |

## 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: 2026-11-04T21:50:46.460Z.
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.