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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 25, 2021 to September 25, 2026.

Choose a date range

This page can show a range of up to 5 years at a time. That is a limit of this service, not of what the agency records.

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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.

Lead and copper sample summaries across the systems Mississippi State Department of Health serves, 2,901 to 2,920 of 5,922 monitoring-period summaries shown. Each row is one analyte over one monitoring period for one system, and the Type column says which kind of summary it is — only type 90 is a ninetieth percentile. The rows are in the agency’s own order and are not ranked by value.
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