CEDAR OAK MESA WSC
Texas - Community Water System - PWSID: TX1050031
System Information
| PWSID | TX1050031 |
| System Name | CEDAR OAK MESA WSC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 14, 1980 |
| Last Reported | Mar 31, 2026 |
Location & Contact
| State | Texas |
| City | WIMBERLEY |
| ZIP Code | 78676-7535 |
| Address | PO BOX 2635 |
| Organization | WARD, WILLIAM, A |
| Phone | - |
Population & Service
| Population Served | 497 |
| Service Connections | 203 |
Drinking Water Violations (57)
This water system has 57 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 | - | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jul 8, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jul 8, 2025 | - | |
| Jan 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jul 8, 2025 | - | |
| Oct 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Sep 29, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Sep 29, 2024 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | May 13, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | May 13, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | May 13, 2024 | - | |
| Oct 1, 2023 | - | MR | No | No | - | TT | - | Resolved | May 13, 2024 | - | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2023 | - | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2023 | - | |
| Sep 1, 2023 | Sep 30, 2023 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2023 | - | |
| Jan 1, 2022 | - | Other | No | No | - | - | - | Resolved | Apr 12, 2022 | - | |
| Jan 1, 2022 | - | Other | No | No | - | - | - | Resolved | Apr 12, 2022 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2021 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Resolved | Dec 31, 2020 | - | |
| Nov 1, 2016 | - | MR | No | Yes | - | - | - | Resolved | Sep 21, 2017 | - | |
| Nov 1, 2016 | - | MR | No | Yes | - | - | - | Resolved | Sep 21, 2017 | - | |
| Nov 1, 2016 | - | MR | No | Yes | - | - | - | Resolved | Sep 21, 2017 | - | |
| Nov 1, 2016 | - | MR | No | Yes | - | - | - | Resolved | Sep 21, 2017 | - | |
| Jul 12, 2012 | - | Other | No | No | - | - | - | Resolved | Mar 15, 2018 | - | |
| Jul 12, 2012 | - | Other | No | No | - | - | - | Resolved | Mar 15, 2018 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| May 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 22, 2013 | - | |
| May 1, 2012 | May 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2012 | - | |
| May 1, 2012 | May 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2012 | - | |
| May 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 22, 2013 | - | |
| May 1, 2012 | May 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2012 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.