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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.

1,421–1,440 of 5,736 monitoring-period summaries. From monitoring periods beginning September 26, 2021 to September 26, 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, 1,421 to 1,440 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
DeSoto City of Southaven, MS0170018 Lead Jan 1, 2022 – Dec 31, 2024 DS000 30 0 MG/L
DeSoto City of Southaven, MS0170018 Lead Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
DeSoto Walls Water Association, MS0170019 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.183 MG/L 90th percentile
DeSoto Walls Water Association, MS0170019 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.27 MG/L
DeSoto Walls Water Association, MS0170019 Copper Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
DeSoto Walls Water Association, MS0170019 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0006 MG/L 90th percentile
DeSoto Walls Water Association, MS0170019 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0007 MG/L
DeSoto Walls Water Association, MS0170019 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
DeSoto Buena Vista Lakes, MS0170020 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.168 MG/L 90th percentile
DeSoto Buena Vista Lakes, MS0170020 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.185 MG/L
DeSoto Buena Vista Lakes, MS0170020 Copper Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
DeSoto Buena Vista Lakes, MS0170020 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0 MG/L 90th percentile
DeSoto Buena Vista Lakes, MS0170020 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0 MG/L
DeSoto Buena Vista Lakes, MS0170020 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
DeSoto City of Horn Lake, MS0170022 Copper Jan 1, 2022 – Dec 31, 2024 DS000 30 0.174 MG/L 90th percentile
DeSoto City of Horn Lake, MS0170022 Copper Jan 1, 2022 – Dec 31, 2024 DS000 30 0.209 MG/L
DeSoto City of Horn Lake, MS0170022 Copper Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
DeSoto City of Horn Lake, MS0170022 Lead Jan 1, 2022 – Dec 31, 2024 DS000 30 0.0012 MG/L 90th percentile
DeSoto City of Horn Lake, MS0170022 Lead Jan 1, 2022 – Dec 31, 2024 DS000 30 0.0016 MG/L
DeSoto City of Horn Lake, MS0170022 Lead Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded