# City Of Navasota Old Stp: 10,000-gallon sewage overflow (grease blockage) in Grimes County, TX

**Score:** 65/100

| Field | Value |
|---|---|
| Utility / system | City Of Navasota Old Stp |
| System type | City or other utility |
| TCEQ RN | RN101608131 |
| Permits | STORMWATER-PERMIT-TXR05HC04; STORMWATER-PERMIT-TXR05Y680; WASTEWATER-EPA ID-TX0071790; WASTEWATER-PERMIT-WQ0010231001 |
| Volume | 10,000 gallons |
| Cause | LINE BLOCKAGE (NON-GREASE) |
| Source | Texas Commission on Environmental Quality (TCEQ) Sanitary Sewer Overflows (data.texas.gov) |
| Receiving water | 1209 |
| County | Grimes |
| TCEQ region | Waco |
| Dates | 2026-06-08 |
| Reported | 2026-06-15 |
| Incident number | 463714 |

## Why this score
- 10,000 gallons.
- Grease blockage: a fixable infrastructure cause.
- Reached 1209.

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.