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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.

2,881–2,900 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, 2,881 to 2,900 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
Jefferson City of Fayette, MS0320001 Copper Jan 1, 2022 – Dec 31, 2022 DS000 10 0.0324 MG/L 90th percentile
Jefferson City of Fayette, MS0320001 Copper Jan 1, 2022 – Dec 31, 2022 DS000 10 0.034 MG/L
Jefferson City of Fayette, MS0320001 Copper Jan 1, 2022 – Dec 31, 2022 DS000 0 Not recorded
Jefferson City of Fayette, MS0320001 Lead Jan 1, 2022 – Dec 31, 2022 DS000 10 0.0011 MG/L 90th percentile
Jefferson City of Fayette, MS0320001 Lead Jan 1, 2022 – Dec 31, 2022 DS000 10 0.0014 MG/L
Jefferson City of Fayette, MS0320001 Lead Jan 1, 2022 – Dec 31, 2022 DS000 0 Not recorded
Jefferson Union Church Waterworks Assn, MS0320004 Copper Jan 1, 2022 – Dec 31, 2024 DS000 10 0.0064 MG/L 90th percentile
Jefferson Union Church Waterworks Assn, MS0320004 Copper Jan 1, 2022 – Dec 31, 2024 DS000 10 0.0065 MG/L
Jefferson Union Church Waterworks Assn, MS0320004 Copper Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Jefferson Union Church Waterworks Assn, MS0320004 Lead Jan 1, 2022 – Dec 31, 2024 DS000 10 0.0005 MG/L 90th percentile
Jefferson Union Church Waterworks Assn, MS0320004 Lead Jan 1, 2022 – Dec 31, 2024 DS000 10 0.0005 MG/L
Jefferson Union Church Waterworks Assn, MS0320004 Lead Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Jefferson Lorman Water Association, MS0320013 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.246 MG/L 90th percentile
Jefferson Lorman Water Association, MS0320013 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.282 MG/L
Jefferson Lorman Water Association, MS0320013 Copper Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Jefferson Lorman Water Association, MS0320013 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.00301 MG/L 90th percentile
Jefferson Lorman Water Association, MS0320013 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.00458 MG/L
Jefferson Lorman Water Association, MS0320013 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Jefferson Lorman Water Association, MS0320013 Copper Jan 1, 2022 – Dec 31, 2022 DS000 10 0.256 MG/L 90th percentile
Jefferson Lorman Water Association, MS0320013 Copper Jan 1, 2022 – Dec 31, 2022 DS000 10 0.446 MG/L