HARRIS COUNTY MUD 191
Texas — Community Water System — PWSID: TX1012362
System Information
| PWSID | TX1012362 |
| System Name | HARRIS COUNTY MUD 191 |
| 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 14, 1987 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | SPRING |
| ZIP Code | 77391-1890 |
| Address | PO BOX 11890 |
| Organization | MILLER, VAUGHAN |
| Phone | 281-440-9400 |
Population & Service
| Population Served | 3,729 |
| Service Connections | 1,243 |
Drinking Water Violations (15)
This water system has 15 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 12, 2014 | — | Other | No | No | — | — | — | Unaddressed | — | — | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2013 | — | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2012 | — | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2012 | — | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2012 | — | |
| Jul 1, 2012 | Jul 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2012 | — | |
| Dec 11, 2011 | — | Other | No | No | — | — | — | Resolved | Mar 15, 2018 | — | |
| Dec 11, 2011 | — | Other | No | No | — | — | — | Resolved | Mar 15, 2018 | — | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2011 | — | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2011 | — | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2011 | — | |
| — | — | — | 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.