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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.

4,801–4,820 of 5,922 monitoring-period summaries. From monitoring periods beginning September 27, 2021 to September 27, 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, 4,801 to 4,820 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
Quitman City of Marks, MS0600007 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.182 MG/L 90th percentile
Quitman City of Marks, MS0600007 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.21 MG/L
Quitman City of Marks, MS0600007 Copper Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Quitman City of Marks, MS0600007 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0032 MG/L 90th percentile
Quitman City of Marks, MS0600007 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0033 MG/L
Quitman City of Marks, MS0600007 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Quitman South Quitman-S Lambert Utl, MS0600010 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.196 MG/L 90th percentile
Quitman South Quitman-S Lambert Utl, MS0600010 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.269 MG/L
Quitman South Quitman-S Lambert Utl, MS0600010 Copper Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Quitman South Quitman-S Lambert Utl, MS0600010 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0016 MG/L 90th percentile
Quitman South Quitman-S Lambert Utl, MS0600010 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0026 MG/L
Quitman South Quitman-S Lambert Utl, MS0600010 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Quitman South Quitman-S Lambert Utl, MS0600010 Copper Jan 1, 2022 – Jun 30, 2022 DS000 20 0.399 MG/L 90th percentile
Quitman South Quitman-S Lambert Utl, MS0600010 Copper Jan 1, 2022 – Jun 30, 2022 DS000 20 0.464 MG/L
Quitman South Quitman-S Lambert Utl, MS0600010 Copper Jan 1, 2022 – Jun 30, 2022 DS000 0 Not recorded
Quitman South Quitman-S Lambert Utl, MS0600010 Lead Jan 1, 2022 – Jun 30, 2022 DS000 20 0.0035 MG/L 90th percentile
Quitman South Quitman-S Lambert Utl, MS0600010 Lead Jan 1, 2022 – Jun 30, 2022 DS000 20 0.0036 MG/L
Quitman South Quitman-S Lambert Utl, MS0600010 Lead Jan 1, 2022 – Jun 30, 2022 DS000 0 Not recorded
Quitman West Lambert Water Association, MS0600016 Copper Jan 1, 2025 – Dec 31, 2025 DS000 5 0.237 MG/L 90th percentile
Quitman West Lambert Water Association, MS0600016 Copper Jan 1, 2025 – Dec 31, 2025 DS000 5 0.321 MG/L