HARRIS COUNTY MUD 321
Texas - Community Water System - PWSID: TX1012913
System Information
| PWSID | TX1012913 |
| System Name | HARRIS COUNTY MUD 321 |
| 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 | Jun 15, 1995 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | HOUSTON |
| ZIP Code | 77027-7537 |
| Address | 3200 SOUTHWEST FWY STE 2600 |
| Organization | BUTLER, KIMBERLY |
| Phone | 281-477-4359 |
Population & Service
| Population Served | 882 |
| Service Connections | 294 |
Drinking Water Violations (33)
This water system has 33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Mar 31, 2016 | - | MR | No | No | - | TT | - | Resolved | May 19, 2016 | - | |
| Mar 31, 2016 | - | MR | No | No | - | TT | - | Resolved | May 19, 2016 | - | |
| May 3, 2015 | - | Other | No | No | - | - | - | Resolved | Jun 9, 2015 | - | |
| May 3, 2015 | - | Other | No | No | - | - | - | Resolved | Jun 9, 2015 | - | |
| Feb 10, 2015 | - | Other | No | No | - | - | - | Resolved | Jun 9, 2015 | - | |
| Feb 10, 2015 | - | Other | No | No | - | - | - | Resolved | Jun 9, 2015 | - | |
| Jan 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Sep 2, 2015 | - | |
| Jan 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Sep 2, 2015 | - | |
| Jan 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Sep 2, 2015 | - | |
| Jan 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Sep 2, 2015 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Sep 2, 2015 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Sep 2, 2015 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Sep 2, 2015 | - | |
| Jul 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Sep 2, 2015 | - | |
| Apr 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2014 | - | |
| Sep 29, 2013 | - | MR | No | No | - | TT | - | Resolved | Jul 28, 2014 | - | |
| Jul 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Sep 2, 2015 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2013 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.