Cs Old Concho Water Users
PWSID AZ0401011 · St. Louis, Missouri · serves 40 people · groundwater source
B
Good
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Lead and Copper Rule | MR | No | Resolved |
| 2025-12-01 | Chlorine | MR | No | Resolved |
| 2025-11-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2025-11-01 | Chlorine | MR | No | Resolved |
| 2025-10-01 | Chlorine | MR | No | Resolved |
| 2025-07-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2025-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2025-04-01 | Chlorine | MR | No | Resolved |
| 2025-02-01 | Chlorine | MR | No | Resolved |
| 2025-01-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2025-01-01 | TTHM | MR | No | Archived |
| 2025-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Archived |
| 2024-12-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2024-12-01 | Chlorine | MR | No | Resolved |
| 2024-10-02 | Consumer Confidence Rule | Other | No | Resolved |
| 2024-10-01 | Lead and Copper Rule | MR | No | Resolved |
| 2024-09-01 | Chlorine | MR | No | Resolved |
| 2024-08-01 | Chlorine | MR | No | Resolved |
| 2024-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2024-07-01 | Chlorine | MR | No | Resolved |
| 2024-06-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2024-06-01 | Chlorine | MR | No | Resolved |
| 2024-04-27 | Public Notice | Other | No | Resolved |
| 2024-04-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2024-03-01 | Chlorine | MR | No | Resolved |
| 2024-02-01 | Chlorine | MR | No | Resolved |
| 2024-01-01 | Chlorine | MR | No | Resolved |
| 2024-01-01 | TTHM | MR | No | Resolved |
| 2024-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2023-11-03 | Public Notice | Other | No | Resolved |
| 2023-10-02 | Consumer Confidence Rule | Other | No | Resolved |
| 2023-10-01 | Lead and Copper Rule | MR | No | Resolved |
| 2023-09-20 | Public Notice | Other | No | Resolved |
| 2023-07-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2023-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2023-03-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2023-01-01 | Lead and Copper Rule | MR | No | Resolved |
| 2023-01-01 | Chlorine | MR | No | Resolved |
| 2023-01-01 | TTHM | MR | No | Resolved |
| 2023-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |
| 2022-10-01 | Lead and Copper Rule | MR | No | Resolved |
| 2022-08-01 | Revised Total Coliform Rule | MON | No | Resolved |
| 2022-04-02 | Public Notice | Other | No | Resolved |
| 2022-04-01 | Chlorine | MR | No | Resolved |
| 2022-01-01 | Chlorine | MR | No | Resolved |
| 2021-12-01 | Revised Total Coliform Rule | RPT | No | Resolved |