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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.

1,981–2,000 of 5,736 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, 1,981 to 2,000 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
Harrison Ridgecrest Estates, MS0240251 Copper Jan 1, 2022 – Dec 31, 2024 DS000 5 0.0265 MG/L 90th percentile
Harrison Ridgecrest Estates, MS0240251 Copper Jan 1, 2022 – Dec 31, 2024 DS000 5 0.037 MG/L
Harrison Ridgecrest Estates, MS0240251 Copper Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Harrison Ridgecrest Estates, MS0240251 Lead Jan 1, 2022 – Dec 31, 2024 DS000 5 0.009 MG/L 90th percentile
Harrison Ridgecrest Estates, MS0240251 Lead Jan 1, 2022 – Dec 31, 2024 DS000 5 0.0132 MG/L
Harrison Ridgecrest Estates, MS0240251 Lead Jan 1, 2022 – Dec 31, 2024 DS000 1 Not recorded
Harrison Pineville Project III South, MS0240254 Copper Jan 1, 2022 – Dec 31, 2024 DS000 5 0.217 MG/L 90th percentile
Harrison Pineville Project III South, MS0240254 Copper Jan 1, 2022 – Dec 31, 2024 DS000 5 0.218 MG/L
Harrison Pineville Project III South, MS0240254 Copper Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Harrison Pineville Project III South, MS0240254 Lead Jan 1, 2022 – Dec 31, 2024 DS000 5 0.0012 MG/L 90th percentile
Harrison Pineville Project III South, MS0240254 Lead Jan 1, 2022 – Dec 31, 2024 DS000 5 0.0014 MG/L
Harrison Pineville Project III South, MS0240254 Lead Jan 1, 2022 – Dec 31, 2024 DS000 0 Not recorded
Harrison City of Biloxi-Magnolia Bend, MS0240255 Copper Jan 1, 2023 – Jun 30, 2023 DS000 5 0.124 MG/L 90th percentile
Harrison City of Biloxi-Magnolia Bend, MS0240255 Copper Jan 1, 2023 – Jun 30, 2023 DS000 5 0.14 MG/L
Harrison City of Biloxi-Magnolia Bend, MS0240255 Copper Jan 1, 2023 – Jun 30, 2023 DS000 0 Not recorded
Harrison City of Biloxi-Magnolia Bend, MS0240255 Lead Jan 1, 2023 – Jun 30, 2023 DS000 5 0.0012 MG/L 90th percentile
Harrison City of Biloxi-Magnolia Bend, MS0240255 Lead Jan 1, 2023 – Jun 30, 2023 DS000 5 0.0017 MG/L
Harrison City of Biloxi-Magnolia Bend, MS0240255 Lead Jan 1, 2023 – Jun 30, 2023 DS000 0 Not recorded
Harrison The Oaks Utilities, MS0240256 Copper Jan 1, 2022 – Dec 31, 2024 DS000 5 0.0775 MG/L 90th percentile
Harrison The Oaks Utilities, MS0240256 Copper Jan 1, 2022 – Dec 31, 2024 DS000 5 0.0784 MG/L