# Walnut Creek Wastewater Treatment Plant: 33-gallon sewage overflow (grease blockage) in Travis County, TX

**Score:** 35/100

| Field | Value |
|---|---|
| Utility / system | Walnut Creek Wastewater Treatment Plant |
| System type | Treatment plant (WWTP) |
| TCEQ RN | RN101607901 |
| Permits | STORMWATER-PERMIT-TXR05FD22; STORMWATER-PERMIT-TXR1515BN; STORMWATER-PERMIT-TXR1562VT; WASTEWATER-PERMIT-WQ0010543011 |
| Volume | 33 gallons |
| Cause | GREASE BLOCKAGE |
| Source | Texas Commission on Environmental Quality (TCEQ) Sanitary Sewer Overflows (data.texas.gov) |
| County | Travis |
| TCEQ region | Austin |
| Dates | 2026-05-06 |
| Reported | 2026-06-16 |
| Incident number | 460496 |

## 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.