KNOB HILL WATER SYSTEM DENTON
Texas - Community Water System - PWSID: TX0610068
System Information
| PWSID | TX0610068 |
| System Name | KNOB HILL WATER SYSTEM DENTON |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 14, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | LITTLE ELM |
| ZIP Code | 75068-6673 |
| Address | 2701 LITTLE ELM PKWY STE 100 |
| Organization | VARGUS, MARK E |
| Phone | 214-558-6847 |
Population & Service
| Population Served | 234 |
| Service Connections | 78 |
Drinking Water Violations (38)
This water system has 38 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Sep 13, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 24, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jun 30, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Jan 1, 2024 | Mar 31, 2024 | MR | No | Yes | - | 1 mg/L | - | Resolved | Mar 31, 2024 | - | |
| Nov 1, 2017 | - | MR | No | Yes | - | - | - | Resolved | Apr 23, 2018 | - | |
| Nov 1, 2017 | - | MR | No | Yes | - | - | - | Resolved | Apr 23, 2018 | - | |
| Nov 1, 2017 | - | MR | No | Yes | - | - | - | Resolved | Apr 23, 2018 | - | |
| Nov 1, 2017 | - | MR | No | Yes | - | - | - | Resolved | Apr 23, 2018 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Mar 31, 2015 | - | |
| Sep 1, 2003 | - | Other | No | No | - | - | - | Resolved | Jan 20, 2011 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| Jun 1, 2003 | Jun 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| May 1, 2003 | May 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2003 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.