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 | Jan 6, 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 (11)
This water system has 11 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 | Lead and Copper Rule | MR | No | No | — | TT | — | Archived | Jun 30, 2024 | Lead and Copper Rule |
| Jan 1, 2024 | Jun 30, 2024 | Lead and Copper Rule | MR | No | No | — | TT | — | Archived | Jun 30, 2024 | Lead and Copper Rule |
| Jan 1, 2024 | Jun 30, 2024 | Lead and Copper Rule | MR | No | No | — | TT | — | Archived | Jun 30, 2024 | Lead and Copper Rule |
| Jan 1, 2024 | Jun 30, 2024 | Lead and Copper Rule | MR | No | No | — | TT | — | Archived | Jun 30, 2024 | Lead and Copper Rule |
| Jan 1, 2024 | Jun 30, 2024 | Lead and Copper Rule | MR | No | No | — | TT | — | Archived | Jun 30, 2024 | Lead and Copper Rule |
| Oct 1, 2008 | Dec 31, 2008 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2008 | Dec 31, 2008 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2008 | Dec 31, 2008 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Dec 31, 2008 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 22, 2007 | Consumer Confidence Rule |
| Jan 1, 2004 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 22, 2007 | Consumer Confidence Rule |
| — | — | — | 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.