# South Mesquite Regional Wastewater Treatment Plant: 5,000-gallon sewage overflow (line break) in Dallas County, TX

**Score:** 45/100

| Field | Value |
|---|---|
| Utility / system | South Mesquite Regional Wastewater Treatment Plant |
| System type | Treatment plant (WWTP) |
| TCEQ RN | RN101701332 |
| Permits | STORMWATER-PERMIT-TXR05U127; STORMWATER-PERMIT-TXR1585MX; STORMWATER-PERMIT-TXR1589MY; WASTEWATER-EPA ID-TX0047431; WASTEWATER-PERMIT-WQ0010221001 |
| Volume | 5,000 gallons |
| Cause | LINE BREAK |
| Source | Texas Commission on Environmental Quality (TCEQ) Sanitary Sewer Overflows (data.texas.gov) |
| County | Dallas |
| TCEQ region | Dfw Metroplex |
| Dates | 2026-08-03 |
| Reported | 2026-08-04 |
| Incident number | 463112 |

## Why this score
- 5,000 gallons.
- Line break: 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.