NORTHWEST HARRIS COUNTY MUD 12
Texas — Community Water System — PWSID: TX1011901
System Information
| PWSID | TX1011901 |
| System Name | NORTHWEST HARRIS COUNTY MUD 12 |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Jan 19, 1983 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | HOUSTON |
| ZIP Code | 77019-2191 |
| Address | 2727 ALLEN PKWY STE 1100 |
| Organization | SULLIVAN, MARY, JOAN |
| Phone | 281-855-2172 |
Population & Service
| Population Served | 7,839 |
| Service Connections | 2,613 |
Drinking Water Violations (12)
This water system has 12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2024 | Jun 30, 2024 | MR | No | No | — | TT | — | Archived | Jun 30, 2024 | — | |
| Jan 1, 2024 | Jun 30, 2024 | MR | No | No | — | TT | — | Archived | Jun 30, 2024 | — | |
| Jan 1, 2024 | Jun 30, 2024 | MR | No | No | — | TT | — | Archived | Jun 30, 2024 | — | |
| Jan 1, 2024 | Jun 30, 2024 | MR | No | No | — | TT | — | Archived | Jun 30, 2024 | — | |
| Jan 1, 2024 | Jun 30, 2024 | MR | No | No | — | TT | — | Archived | Jun 30, 2024 | — | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2008 | — | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2008 | — | |
| Oct 1, 2008 | Dec 31, 2008 | MR | No | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2008 | — | |
| Jul 1, 2005 | — | Other | No | No | — | — | — | Resolved | Jun 22, 2007 | — | |
| Jan 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jun 22, 2007 | — | |
| Jan 1, 2004 | — | Other | No | No | — | — | — | Resolved | Jun 22, 2007 | — | |
| — | — | — | 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.