# Harris County MUD 203 WWTP: 1,096-gallon sewage overflow (grease blockage) in Harris County, TX

**Score:** 45/100

| Field | Value |
|---|---|
| Utility / system | Harris County MUD 203 WWTP |
| System type | Treatment plant (WWTP) |
| TCEQ RN | RN101607869 |
| Permits | STORMWATER-PERMIT-TXR05FF73; WASTEWATER-PERMIT-WQ0010495133 |
| Volume | 1,096 gallons |
| Cause | GREASE BLOCKAGE |
| Source | Texas Commission on Environmental Quality (TCEQ) Sanitary Sewer Overflows (data.texas.gov) |
| County | Harris |
| TCEQ region | Houston |
| Dates | 2026-07-10 |
| Reported | 2026-07-17 |
| Incident number | 462065 |

## Why this score
- 1,096 gallons.
- 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.