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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.

721–740 of 5,736 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, 721 to 740 of 5,736 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
Chickasaw Southeast Chickasaw W/A #1, MS0090008 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.265 MG/L 90th percentile
Chickasaw Southeast Chickasaw W/A #1, MS0090008 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.472 MG/L
Chickasaw Southeast Chickasaw W/A #1, MS0090008 Copper Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Chickasaw Southeast Chickasaw W/A #1, MS0090008 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0062 MG/L 90th percentile
Chickasaw Southeast Chickasaw W/A #1, MS0090008 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.009 MG/L
Chickasaw Southeast Chickasaw W/A #1, MS0090008 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Chickasaw Sparta Water Association #1, MS0090010 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.382 MG/L 90th percentile
Chickasaw Sparta Water Association #1, MS0090010 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.442 MG/L
Chickasaw Sparta Water Association #1, MS0090010 Copper Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Chickasaw Sparta Water Association #1, MS0090010 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0012 MG/L 90th percentile
Chickasaw Sparta Water Association #1, MS0090010 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0013 MG/L
Chickasaw Sparta Water Association #1, MS0090010 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Chickasaw East Chickasaw W/A #2, MS0090012 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.277 MG/L 90th percentile
Chickasaw East Chickasaw W/A #2, MS0090012 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.284 MG/L
Chickasaw East Chickasaw W/A #2, MS0090012 Copper Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Chickasaw East Chickasaw W/A #2, MS0090012 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0007 MG/L 90th percentile
Chickasaw East Chickasaw W/A #2, MS0090012 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0008 MG/L
Chickasaw East Chickasaw W/A #2, MS0090012 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Chickasaw Thorn Water Association, MS0090024 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.156 MG/L 90th percentile
Chickasaw Thorn Water Association, MS0090024 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.182 MG/L