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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.

3,781–3,800 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, 3,781 to 3,800 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
Madison Cmu - Lake Caroline, MS0450034 Copper Jan 1, 2022 – Dec 31, 2024 DS000 9 0.28 MG/L 90th percentile
Madison Cmu - Lake Caroline, MS0450034 Copper Jan 1, 2022 – Dec 31, 2024 DS000 9 0.32 MG/L
Madison Cmu - Lake Caroline, MS0450034 Copper Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Madison Cmu - Lake Caroline, MS0450034 Lead Jan 1, 2022 – Dec 31, 2024 DS000 9 0.0012 MG/L 90th percentile
Madison Cmu - Lake Caroline, MS0450034 Lead Jan 1, 2022 – Dec 31, 2024 DS000 9 0.0013 MG/L
Madison Cmu - Lake Caroline, MS0450034 Lead Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Marion Bunker Hill Water Association, MS0460001 Copper Jan 1, 2024 – Dec 31, 2026 DS000 10 0.115 MG/L 90th percentile
Marion Bunker Hill Water Association, MS0460001 Copper Jan 1, 2024 – Dec 31, 2026 DS000 10 0.144 MG/L
Marion Bunker Hill Water Association, MS0460001 Copper Jan 1, 2024 – Dec 31, 2026 DS000 0 Not recorded
Marion Bunker Hill Water Association, MS0460001 Lead Jan 1, 2024 – Dec 31, 2026 DS000 10 0 MG/L 90th percentile
Marion Bunker Hill Water Association, MS0460001 Lead Jan 1, 2024 – Dec 31, 2026 DS000 10 0 MG/L
Marion Bunker Hill Water Association, MS0460001 Lead Jan 1, 2024 – Dec 31, 2026 DS000 0 Not recorded
Marion City of Columbia, MS0460003 Copper Jan 1, 2022 – Dec 31, 2024 DS000 20 0.514 MG/L 90th percentile
Marion City of Columbia, MS0460003 Copper Jan 1, 2022 – Dec 31, 2024 DS000 20 0.6 MG/L
Marion City of Columbia, MS0460003 Copper Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Marion City of Columbia, MS0460003 Lead Jan 1, 2022 – Dec 31, 2024 DS000 20 0.0017 MG/L 90th percentile
Marion City of Columbia, MS0460003 Lead Jan 1, 2022 – Dec 31, 2024 DS000 20 0.0017 MG/L
Marion City of Columbia, MS0460003 Lead Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Marion Foxworth Water & Sewerage Assn, MS0460005 Copper Jan 1, 2024 – Dec 31, 2026 DS000 10 0.188 MG/L 90th percentile
Marion Foxworth Water & Sewerage Assn, MS0460005 Copper Jan 1, 2024 – Dec 31, 2026 DS000 10 0.413 MG/L