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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.

3,161–3,180 of 5,922 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, 3,161 to 3,180 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
Lafayette Twelve Oaks Water System, MS0360069 Lead Jan 1, 2023 – Dec 31, 2025 DS000 5 0.0005 MG/L
Lafayette Twelve Oaks Water System, MS0360069 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Lamar Arnold Line Water Association, MS0370001 Copper Jan 1, 2022 – Dec 31, 2024 DS000 20 0.0868 MG/L 90th percentile
Lamar Arnold Line Water Association, MS0370001 Copper Jan 1, 2022 – Dec 31, 2024 DS000 20 0.121 MG/L
Lamar Arnold Line Water Association, MS0370001 Copper Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Lamar Arnold Line Water Association, MS0370001 Lead Jan 1, 2022 – Dec 31, 2024 DS000 20 0.0008 MG/L 90th percentile
Lamar Arnold Line Water Association, MS0370001 Lead Jan 1, 2022 – Dec 31, 2024 DS000 20 0.0009 MG/L
Lamar Arnold Line Water Association, MS0370001 Lead Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Lamar Lamar Park Water & Sewage Assn, MS0370004 Copper Jan 1, 2022 – Dec 31, 2024 DS000 20 0.36 MG/L 90th percentile
Lamar Lamar Park Water & Sewage Assn, MS0370004 Copper Jan 1, 2022 – Dec 31, 2024 DS000 20 0.761 MG/L
Lamar Lamar Park Water & Sewage Assn, MS0370004 Copper Jan 1, 2022 – Dec 31, 2024 DS000 1 Not recorded
Lamar Lamar Park Water & Sewage Assn, MS0370004 Lead Jan 1, 2022 – Dec 31, 2024 DS000 20 0.0017 MG/L 90th percentile
Lamar Lamar Park Water & Sewage Assn, MS0370004 Lead Jan 1, 2022 – Dec 31, 2024 DS000 20 0.0022 MG/L
Lamar Lamar Park Water & Sewage Assn, MS0370004 Lead Jan 1, 2022 – Dec 31, 2024 DS000 1 Not recorded
Lamar North Lamar Water Association, MS0370006 Copper Jan 1, 2022 – Dec 31, 2024 DS000 30 0.15 MG/L 90th percentile
Lamar North Lamar Water Association, MS0370006 Copper Jan 1, 2022 – Dec 31, 2024 DS000 30 0.153 MG/L
Lamar North Lamar Water Association, MS0370006 Copper Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Lamar North Lamar Water Association, MS0370006 Lead Jan 1, 2022 – Dec 31, 2024 DS000 30 0.0012 MG/L 90th percentile
Lamar North Lamar Water Association, MS0370006 Lead Jan 1, 2022 – Dec 31, 2024 DS000 30 0.0014 MG/L
Lamar North Lamar Water Association, MS0370006 Lead Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded