# Llano Grande Lake Park East: TCEQ notice of violation, 6 drinking-water violations (Category C) in Mercedes, TX

**Score:** 40/100

| Field | Value |
|---|---|
| Site | Llano Grande Lake Park East |
| Business | Mobile Home Park |
| Program | Drinking water / public water system |
| Highest severity | Category C (minor) |
| Violations | 6 |
| Rules cited | 13.1394(b)(2); 290.39(c)(4)(A); 290.44(h)(4); 290.45(f)(1); 290.46(f)(3)(A)(ii)(II); 290.46(f)(3)(E)(ix) |
| Location | Mercedes, Hidalgo County, TX |
| TCEQ region | Harlingen |
| Investigation approved | 2026-08-14 |
| Regulated entity (RN) | RN102692456 |

## Why this score
- 6 violations in one investigation.

Source: Texas Commission on Environmental Quality (TCEQ) Notices of Violation (data.texas.gov) (https://data.texas.gov/d/mwzi-gyw7). Last refreshed: 2026-11-04T21:52:03.237Z.
From TCEQ notice of violation data. A notice of violation is an investigator's finding that the site must correct; it is not a final enforcement order or penalty, and many are resolved quickly. Septic (OSSF) cases at homes, residences and sites named after a person are excluded. Verify with TCEQ (Central Registry and compliance history).