This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.
Lead and copper summaries
Each row is one summary of one monitoring period, and the agency records more than one kind.
841–860 of 5,736 monitoring-period summaries. From monitoring periods beginning September 26, 2021 to September 26, 2026.
Choose a date range
Choose water systems
How to read a summary
Each row summarises one analyte over one monitoring period for one system. The number of samples behind each value is in the column beside it.
The agency records more than one kind of summary, and the Type column says which. Type 90 is the ninetieth percentile — the value 90% of that period’s samples fall at or below. The agency publishes no explanation for the other codes, so this page does not offer one: a value of another type is not a 90th percentile and must not be read as one.
| County | Water system | Analyte | Monitoring period | Facility | Samples | Measure |
|---|---|---|---|---|---|---|
| Choctaw | Union W/A, MS0100017 | Copper | Jul 1, 2022 – Dec 31, 2022 | DS000 | 10 | 0.116 MG/L 90th percentile |
| Choctaw | Union W/A, MS0100017 | Copper | Jul 1, 2022 – Dec 31, 2022 | DS000 | 10 | 0.143 MG/L |
| Choctaw | Union W/A, MS0100017 | Copper | Jul 1, 2022 – Dec 31, 2022 | DS000 | 0 | Not recorded |
| Choctaw | Union W/A, MS0100017 | Lead | Jul 1, 2022 – Dec 31, 2022 | DS000 | 10 | 0.0011 MG/L 90th percentile |
| Choctaw | Union W/A, MS0100017 | Lead | Jul 1, 2022 – Dec 31, 2022 | DS000 | 10 | 0.0169 MG/L |
| Choctaw | Union W/A, MS0100017 | Lead | Jul 1, 2022 – Dec 31, 2022 | DS000 | 1 | Not recorded |
| Choctaw | Union W/A, MS0100017 | Copper | Jan 1, 2022 – Jun 30, 2022 | DS000 | 10 | 0.0271 MG/L 90th percentile |
| Choctaw | Union W/A, MS0100017 | Copper | Jan 1, 2022 – Jun 30, 2022 | DS000 | 10 | 0.076 MG/L |
| Choctaw | Union W/A, MS0100017 | Copper | Jan 1, 2022 – Jun 30, 2022 | DS000 | 0 | Not recorded |
| Choctaw | Union W/A, MS0100017 | Lead | Jan 1, 2022 – Jun 30, 2022 | DS000 | 10 | 0.0006 MG/L 90th percentile |
| Choctaw | Union W/A, MS0100017 | Lead | Jan 1, 2022 – Jun 30, 2022 | DS000 | 10 | 0.001 MG/L |
| Choctaw | Union W/A, MS0100017 | Lead | Jan 1, 2022 – Jun 30, 2022 | DS000 | 0 | Not recorded |
| Claiborne | C S & I Water Assn #1, MS0110002 | Copper | Jan 1, 2024 – Dec 31, 2026 | DS000 | 10 | 0.451 MG/L 90th percentile |
| Claiborne | C S & I Water Assn #1, MS0110002 | Copper | Jan 1, 2024 – Dec 31, 2026 | DS000 | 10 | 0.668 MG/L |
| Claiborne | C S & I Water Assn #1, MS0110002 | Copper | Jan 1, 2024 – Dec 31, 2026 | DS000 | 0 | Not recorded |
| Claiborne | C S & I Water Assn #1, MS0110002 | Lead | Jan 1, 2024 – Dec 31, 2026 | DS000 | 10 | 0.0028 MG/L 90th percentile |
| Claiborne | C S & I Water Assn #1, MS0110002 | Lead | Jan 1, 2024 – Dec 31, 2026 | DS000 | 10 | 0.003 MG/L |
| Claiborne | C S & I Water Assn #1, MS0110002 | Lead | Jan 1, 2024 – Dec 31, 2026 | DS000 | 0 | Not recorded |
| Claiborne | Hermanville Water Association, MS0110003 | Copper | Jan 1, 2025 – Dec 31, 2025 | DS000 | 10 | 0.124 MG/L 90th percentile |
| Claiborne | Hermanville Water Association, MS0110003 | Copper | Jan 1, 2025 – Dec 31, 2025 | DS000 | 10 | 0.205 MG/L |