# North Texas Municipal Water District Rowlett Creek: 22,000-gallon sewage overflow (human error) in Collin County, TX

**Score:** 40/100

| Field | Value |
|---|---|
| Utility / system | North Texas Municipal Water District Rowlett Creek |
| System type | Utility district (MUD, WCID, SUD) |
| TCEQ RN | RN102342144 |
| Permits | STORMWATER-PERMIT-TXR05U122; STORMWATER-PERMIT-TXR1513XO; STORMWATER-PERMIT-TXR1531YQ; STORMWATER-PERMIT-TXR1550ZC; WASTEWATER-EPA ID-TX0047911; WASTEWATER-PERMIT-WQ0010363001 |
| Volume | 22,000 gallons |
| Cause | HUMAN ERROR |
| Source | Texas Commission on Environmental Quality (TCEQ) Sanitary Sewer Overflows (data.texas.gov) |
| County | Collin |
| TCEQ region | Dfw Metroplex |
| Dates | 2026-07-21 |
| Reported | 2026-07-27 |
| Incident number | 463984 |

## Why this score
- 22,000 gallons.

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.