HARRIS COUNTY MUD 421
Texas — Community Water System — PWSID: TX1013376
System Information
| PWSID | TX1013376 |
| System Name | HARRIS COUNTY MUD 421 |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Dec 23, 2009 |
| Last Reported | Jan 6, 2026 |
Location & Contact
| State | Texas |
| City | HOUSTON |
| ZIP Code | 77019-2115 |
| Address | 2727 ALLEN PKWY STE 1100 |
| Organization | YOKEM, MARK, R |
| Phone | 713-652-6500 |
Population & Service
| Population Served | 1,269 |
| Service Connections | 423 |
Drinking Water Violations
No violations recorded for this water system in the EPA SDWIS database.
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.