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.
861–880 of 5,736 monitoring-period summaries. From monitoring periods beginning September 26, 2021 to September 26, 2026.
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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 |
|---|---|---|---|---|---|---|
| Claiborne | Hermanville Water Association, MS0110003 | Copper | Jan 1, 2025 – Dec 31, 2025 | DS000 | 0 | Not recorded |
| Claiborne | Hermanville Water Association, MS0110003 | Lead | Jan 1, 2025 – Dec 31, 2025 | DS000 | 10 | 0.00128 MG/L 90th percentile |
| Claiborne | Hermanville Water Association, MS0110003 | Lead | Jan 1, 2025 – Dec 31, 2025 | DS000 | 10 | 0.00141 MG/L |
| Claiborne | Hermanville Water Association, MS0110003 | Lead | Jan 1, 2025 – Dec 31, 2025 | DS000 | 0 | Not recorded |
| Claiborne | Hermanville Water Association, MS0110003 | Copper | Jan 1, 2022 – Jun 30, 2022 | DS000 | 20 | 0.367 MG/L 90th percentile |
| Claiborne | Hermanville Water Association, MS0110003 | Copper | Jan 1, 2022 – Jun 30, 2022 | DS000 | 20 | 0.493 MG/L |
| Claiborne | Hermanville Water Association, MS0110003 | Copper | Jan 1, 2022 – Jun 30, 2022 | DS000 | 0 | Not recorded |
| Claiborne | Hermanville Water Association, MS0110003 | Lead | Jan 1, 2022 – Jun 30, 2022 | DS000 | 20 | 0.001 MG/L 90th percentile |
| Claiborne | Hermanville Water Association, MS0110003 | Lead | Jan 1, 2022 – Jun 30, 2022 | DS000 | 20 | 0.001 MG/L |
| Claiborne | Hermanville Water Association, MS0110003 | Lead | Jan 1, 2022 – Jun 30, 2022 | DS000 | 0 | Not recorded |
| Claiborne | Town of Port Gibson, MS0110005 | Copper | Jan 1, 2025 – Dec 31, 2025 | DS000 | 20 | 0.131 MG/L 90th percentile |
| Claiborne | Town of Port Gibson, MS0110005 | Copper | Jan 1, 2025 – Dec 31, 2025 | DS000 | 20 | 0.148 MG/L |
| Claiborne | Town of Port Gibson, MS0110005 | Copper | Jan 1, 2025 – Dec 31, 2025 | DS000 | 0 | Not recorded |
| Claiborne | Town of Port Gibson, MS0110005 | Lead | Jan 1, 2025 – Dec 31, 2025 | DS000 | 20 | 0.0043 MG/L 90th percentile |
| Claiborne | Town of Port Gibson, MS0110005 | Lead | Jan 1, 2025 – Dec 31, 2025 | DS000 | 20 | 0.0095 MG/L |
| Claiborne | Town of Port Gibson, MS0110005 | Lead | Jan 1, 2025 – Dec 31, 2025 | DS000 | 1 | Not recorded |
| Claiborne | Town of Port Gibson, MS0110005 | Copper | Jan 1, 2024 – Dec 31, 2024 | DS000 | 20 | 0.213 MG/L 90th percentile |
| Claiborne | Town of Port Gibson, MS0110005 | Copper | Jan 1, 2024 – Dec 31, 2024 | DS000 | 20 | 0.233 MG/L |
| Claiborne | Town of Port Gibson, MS0110005 | Copper | Jan 1, 2024 – Dec 31, 2024 | DS000 | 0 | Not recorded |
| Claiborne | Town of Port Gibson, MS0110005 | Lead | Jan 1, 2024 – Dec 31, 2024 | DS000 | 20 | 0.0037 MG/L 90th percentile |