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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.

1,061–1,080 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, 1,061 to 1,080 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
Coahoma Town of Lyon, MS0140010 Lead Jan 1, 2023 – Dec 31, 2025 DS000 5 0.0022 MG/L
Coahoma Town of Lyon, MS0140010 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Coahoma Rena Lara Water Association, MS0140011 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0063 MG/L 90th percentile
Coahoma Rena Lara Water Association, MS0140011 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0066 MG/L
Coahoma Rena Lara Water Association, MS0140011 Copper Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Coahoma Rena Lara Water Association, MS0140011 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0 MG/L 90th percentile
Coahoma Rena Lara Water Association, MS0140011 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0003 MG/L
Coahoma Rena Lara Water Association, MS0140011 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Coahoma Rena Lara Water Association, MS0140011 Copper Jan 1, 2022 – Dec 31, 2022 DS000 10 0.944 MG/L 90th percentile
Coahoma Rena Lara Water Association, MS0140011 Copper Jan 1, 2022 – Dec 31, 2022 DS000 10 1.12 MG/L
Coahoma Rena Lara Water Association, MS0140011 Copper Jan 1, 2022 – Dec 31, 2022 DS000 0 Not recorded
Coahoma Rena Lara Water Association, MS0140011 Lead Jan 1, 2022 – Dec 31, 2022 DS000 10 0.0024 MG/L 90th percentile
Coahoma Rena Lara Water Association, MS0140011 Lead Jan 1, 2022 – Dec 31, 2022 DS000 10 0.0028 MG/L
Coahoma Rena Lara Water Association, MS0140011 Lead Jan 1, 2022 – Dec 31, 2022 DS000 0 Not recorded
Coahoma Green Acres W/A-South, MS0140013 Copper Jan 1, 2022 – Dec 31, 2024 DS000 5 0.13 MG/L 90th percentile
Coahoma Green Acres W/A-South, MS0140013 Copper Jan 1, 2022 – Dec 31, 2024 DS000 5 0.131 MG/L
Coahoma Green Acres W/A-South, MS0140013 Copper Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Coahoma Green Acres W/A-South, MS0140013 Lead Jan 1, 2022 – Dec 31, 2024 DS000 5 0.0035 MG/L 90th percentile
Coahoma Green Acres W/A-South, MS0140013 Lead Jan 1, 2022 – Dec 31, 2024 DS000 5 0.0046 MG/L
Coahoma Green Acres W/A-South, MS0140013 Lead Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded