HARRIS COUNTY MUD 58
Texas — Community Water System — PWSID: TX1011704
System Information
| PWSID | TX1011704 |
| System Name | HARRIS COUNTY MUD 58 |
| 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 9, 1982 |
| Last Reported | Jan 6, 2026 |
Location & Contact
| State | Texas |
| City | CYPRESS |
| ZIP Code | 77433-4234 |
| Address | 20141 SCHIEL ROAD |
| Organization | MONTGOMERY, JOHN T |
| Phone | 281-367-5511 |
Population & Service
| Population Served | 2,289 |
| Service Connections | 763 |
Drinking Water Violations (138)
This water system has 138 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2013 | Dec 31, 2013 | Arsenic | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2013 | Arsenic Rule |
| Oct 1, 2013 | Dec 31, 2013 | Arsenic | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2013 | Arsenic Rule |
| Oct 1, 2013 | Dec 31, 2013 | Arsenic | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2013 | Arsenic Rule |
| Oct 1, 2013 | Dec 31, 2013 | Arsenic | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2013 | Arsenic Rule |
| Oct 1, 2013 | Dec 31, 2013 | Arsenic | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2013 | Arsenic Rule |
| Oct 1, 2013 | Dec 31, 2013 | Arsenic | MCL | Yes | No | .019 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2013 | Arsenic Rule |
| Oct 1, 2013 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 18, 2014 | Lead and Copper Rule |
| Jul 1, 2013 | Sep 30, 2013 | Arsenic | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2013 | Arsenic Rule |
| Jul 1, 2013 | Sep 30, 2013 | Arsenic | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2013 | Arsenic Rule |
| Jul 1, 2013 | Sep 30, 2013 | Arsenic | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2013 | Arsenic Rule |
| Jul 1, 2013 | Sep 30, 2013 | Arsenic | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2013 | Arsenic Rule |
| Jul 1, 2013 | Sep 30, 2013 | Arsenic | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2013 | Arsenic Rule |
| Jul 1, 2013 | Sep 30, 2013 | Arsenic | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2013 | Arsenic Rule |
| Apr 1, 2013 | Jun 30, 2013 | Arsenic | MCL | Yes | No | .02 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2013 | Arsenic Rule |
| Apr 1, 2013 | Jun 30, 2013 | Arsenic | MCL | Yes | No | .02 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2013 | Arsenic Rule |
| Apr 1, 2013 | Jun 30, 2013 | Arsenic | MCL | Yes | No | .02 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2013 | Arsenic Rule |
| Apr 1, 2013 | Jun 30, 2013 | Arsenic | MCL | Yes | No | .02 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2013 | Arsenic Rule |
| Apr 1, 2013 | Jun 30, 2013 | Arsenic | MCL | Yes | No | .02 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2013 | Arsenic Rule |
| Apr 1, 2013 | Jun 30, 2013 | Arsenic | MCL | Yes | No | .02 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2013 | Arsenic Rule |
| Jan 1, 2013 | Mar 31, 2013 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2013 | Arsenic Rule |
| Jan 1, 2013 | Mar 31, 2013 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2013 | Arsenic Rule |
| Jan 1, 2013 | Mar 31, 2013 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2013 | Arsenic Rule |
| Jan 1, 2013 | Mar 31, 2013 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2013 | Arsenic Rule |
| Jan 1, 2013 | Mar 31, 2013 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2013 | Arsenic Rule |
| Jan 1, 2013 | Mar 31, 2013 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2013 | Arsenic Rule |
| Nov 13, 2012 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jun 27, 2013 | Public Notice Rule and Revised PN Rule |
| Nov 13, 2012 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jun 27, 2013 | Public Notice Rule and Revised PN Rule |
| Oct 1, 2012 | Dec 31, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2012 | Arsenic Rule |
| Oct 1, 2012 | Dec 31, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2012 | Arsenic Rule |
| Oct 1, 2012 | Dec 31, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2012 | Arsenic Rule |
| Oct 1, 2012 | Dec 31, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2012 | Arsenic Rule |
| Oct 1, 2012 | Dec 31, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2012 | Arsenic Rule |
| Oct 1, 2012 | Dec 31, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2012 | Arsenic Rule |
| Jul 1, 2012 | Sep 30, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2012 | Arsenic Rule |
| Jul 1, 2012 | Sep 30, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2012 | Arsenic Rule |
| Jul 1, 2012 | Sep 30, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2012 | Arsenic Rule |
| Jul 1, 2012 | Sep 30, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2012 | Arsenic Rule |
| Jul 1, 2012 | Sep 30, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2012 | Arsenic Rule |
| Jul 1, 2012 | Sep 30, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2012 | Arsenic Rule |
| Jun 27, 2012 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jun 27, 2013 | Public Notice Rule and Revised PN Rule |
| Jun 27, 2012 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jun 27, 2013 | Public Notice Rule and Revised PN Rule |
| Apr 1, 2012 | Jun 30, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | Arsenic Rule |
| Apr 1, 2012 | Jun 30, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | Arsenic Rule |
| Apr 1, 2012 | Jun 30, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | Arsenic Rule |
| Apr 1, 2012 | Jun 30, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | Arsenic Rule |
| Apr 1, 2012 | Jun 30, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | Arsenic Rule |
| Jan 1, 2012 | Mar 31, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | Arsenic Rule |
| Jan 1, 2012 | Mar 31, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | Arsenic Rule |
| Jan 1, 2012 | Mar 31, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | Arsenic Rule |
| Jan 1, 2012 | Mar 31, 2012 | Arsenic | MCL | Yes | No | .022 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | Arsenic Rule |
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.