HARRIS COUNTY MUD 186
Texas — Community Water System — PWSID: TX1012214
System Information
| PWSID | TX1012214 |
| System Name | HARRIS COUNTY MUD 186 |
| 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 | Jan 29, 1985 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | HOUSTON |
| ZIP Code | 77010-4106 |
| Address | 1550 LAMAR ST STE 2000 |
| Organization | ARMSTRONG, ANDY |
| Phone | 713-651-5401 |
Population & Service
| Population Served | 4,005 |
| Service Connections | 1,335 |
Drinking Water Violations (5)
This water system has 5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 12, 2011 | — | Other | No | No | — | — | — | Resolved | Nov 30, 2010 | — | |
| Mar 12, 2011 | — | Other | No | No | — | — | — | Resolved | Nov 30, 2010 | — | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | — | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | — | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2010 | — |
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.