# Knob Hill Water System Denton: TCEQ notice of violation, 10 drinking-water violations (Category B) in Little Elm, TX

**Score:** 55/100

| Field | Value |
|---|---|
| Site | Knob Hill Water System Denton |
| Business | Water System |
| Program | Drinking water / public water system |
| Highest severity | Category B (moderate) |
| Violations | 10 |
| Rules cited | 288.20(a)(2); 290.121(a); 290.121(b); 290.46(f)(3)(A)(ii)(III); 290.46(m)(1); 290.46(m)(1)(B); 290.46(n)(3); 290.109(d)(1)(A); 290.41(c)(1)(F); 290.41(c)(3)(K); 290.46(m); 290.46(t) |
| Location | Little Elm, Denton County, TX |
| TCEQ region | Dfw Metroplex |
| Investigation approved | 2026-08-13 |
| Regulated entity (RN) | RN102672433 |

## Why this score
- Category B (moderate) violation.
- 10 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: 2026-10-28T20:51:00.471Z.
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).