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.
2,901–2,920 of 5,922 monitoring-period summaries. From monitoring periods beginning September 27, 2021 to September 27, 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 |
|---|---|---|---|---|---|---|
| Jefferson | Lorman Water Association, MS0320013 | Copper | Jan 1, 2022 – Dec 31, 2022 | DS000 | 0 | Not recorded |
| Jefferson | Lorman Water Association, MS0320013 | Lead | Jan 1, 2022 – Dec 31, 2022 | DS000 | 10 | 0.0032 MG/L 90th percentile |
| Jefferson | Lorman Water Association, MS0320013 | Lead | Jan 1, 2022 – Dec 31, 2022 | DS000 | 10 | 0.0034 MG/L |
| Jefferson | Lorman Water Association, MS0320013 | Lead | Jan 1, 2022 – Dec 31, 2022 | DS000 | 0 | Not recorded |
| Jefferson | McNair-Stampley W/A #3, MS0320015 | Copper | Jan 1, 2023 – Dec 31, 2025 | DS000 | 10 | 0.0847 MG/L 90th percentile |
| Jefferson | McNair-Stampley W/A #3, MS0320015 | Copper | Jan 1, 2023 – Dec 31, 2025 | DS000 | 10 | 0.208 MG/L |
| Jefferson | McNair-Stampley W/A #3, MS0320015 | Copper | Jan 1, 2023 – Dec 31, 2025 | DS000 | 0 | Not recorded |
| Jefferson | McNair-Stampley W/A #3, MS0320015 | Lead | Jan 1, 2023 – Dec 31, 2025 | DS000 | 10 | 0.00318 MG/L 90th percentile |
| Jefferson | McNair-Stampley W/A #3, MS0320015 | Lead | Jan 1, 2023 – Dec 31, 2025 | DS000 | 10 | 0.00425 MG/L |
| Jefferson | McNair-Stampley W/A #3, MS0320015 | Lead | Jan 1, 2023 – Dec 31, 2025 | DS000 | 0 | Not recorded |
| Jones | Calhoun Water Association, MS0340001 | Copper | Jan 1, 2022 – Dec 31, 2024 | DS000 | 20 | 0.0432 MG/L 90th percentile |
| Jones | Calhoun Water Association, MS0340001 | Copper | Jan 1, 2022 – Dec 31, 2024 | DS000 | 20 | 0.0531 MG/L |
| Jones | Calhoun Water Association, MS0340001 | Copper | Jan 1, 2022 – Dec 31, 2024 | DS000 | 0 | Not recorded |
| Jones | Calhoun Water Association, MS0340001 | Lead | Jan 1, 2022 – Dec 31, 2024 | DS000 | 20 | 0 MG/L 90th percentile |
| Jones | Calhoun Water Association, MS0340001 | Lead | Jan 1, 2022 – Dec 31, 2024 | DS000 | 20 | 0.0011 MG/L |
| Jones | Calhoun Water Association, MS0340001 | Lead | Jan 1, 2022 – Dec 31, 2024 | DS000 | 0 | Not recorded |
| Jones | Ellisville State School #1, MS0340002 | Copper | Jan 1, 2024 – Dec 31, 2026 | DS000 | 10 | 0.105 MG/L 90th percentile |
| Jones | Ellisville State School #1, MS0340002 | Copper | Jan 1, 2024 – Dec 31, 2026 | DS000 | 10 | 0.111 MG/L |
| Jones | Ellisville State School #1, MS0340002 | Copper | Jan 1, 2024 – Dec 31, 2026 | DS000 | 0 | Not recorded |
| Jones | Ellisville State School #1, MS0340002 | Lead | Jan 1, 2024 – Dec 31, 2026 | DS000 | 10 | 0 MG/L 90th percentile |