MEDINA VALLEY HIGH SCHOOL
Texas - Non-Transient Non-Community - PWSID: TX1630012
System Information
| PWSID | TX1630012 |
| System Name | MEDINA VALLEY HIGH SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Mar 14, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | CASTROVILLE |
| ZIP Code | 78009-5313 |
| Address | 8449 FM 471 S |
| Organization | CALOSS, SCOTT |
| Phone | 830-931-2243 |
Population & Service
| Population Served | 2,501 |
| Service Connections | 27 |
Drinking Water Violations (39)
This water system has 39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 29, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| May 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | May 15, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | May 15, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | May 15, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Sep 29, 2024 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2025 | - | |
| Sep 29, 2024 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2025 | - | |
| Sep 29, 2024 | - | MR | No | No | - | TT | - | Resolved | Jan 10, 2025 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 27, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 27, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 27, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | Feb 27, 2024 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Mar 1, 2016 | Mar 31, 2016 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2016 | - | |
| Feb 1, 2016 | - | MR | No | Yes | - | - | - | Resolved | Sep 30, 2016 | - | |
| Feb 1, 2016 | - | MR | No | Yes | - | - | - | Resolved | Sep 30, 2016 | - | |
| Feb 1, 2016 | - | MR | No | Yes | - | - | - | Resolved | Sep 30, 2016 | - | |
| Feb 1, 2016 | - | MR | No | Yes | - | - | - | Resolved | Sep 30, 2016 | - | |
| Nov 13, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 13, 2014 | - | |
| Nov 13, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 13, 2014 | - | |
| Oct 1, 2014 | - | MR | No | Yes | - | - | - | Resolved | Mar 31, 2016 | - | |
| Oct 1, 2014 | - | MR | No | Yes | - | - | - | Resolved | Mar 31, 2016 | - | |
| Oct 1, 2014 | - | MR | No | Yes | - | - | - | Resolved | Mar 31, 2016 | - | |
| Oct 1, 2014 | - | MR | No | Yes | - | - | - | Resolved | Mar 31, 2016 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2014 | - | |
| Oct 1, 2014 | Oct 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2014 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2010 | - | |
| - | - | - | 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.