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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.

2,041–2,060 of 5,736 monitoring-period summaries. From monitoring periods beginning September 27, 2021 to September 27, 2026.

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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, 2,041 to 2,060 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 West Harrison WTR & Sewer Dist #2, MS0240279 Copper Jan 1, 2026 – Dec 31, 2028 DS000 5 0.079 MG/L 90th percentile
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Copper Jan 1, 2026 – Dec 31, 2028 DS000 5 0.093 MG/L
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Copper Jan 1, 2026 – Dec 31, 2028 DS000 0 Not recorded
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Lead Jan 1, 2026 – Dec 31, 2028 DS000 5 0.0014 MG/L 90th percentile
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Lead Jan 1, 2026 – Dec 31, 2028 DS000 5 0.0016 MG/L
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Lead Jan 1, 2026 – Dec 31, 2028 DS000 0 Not recorded
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Copper Jan 1, 2024 – Dec 31, 2024 DS000 5 0.225 MG/L 90th percentile
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Copper Jan 1, 2024 – Dec 31, 2024 DS000 5 0.265 MG/L
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Copper Jan 1, 2024 – Dec 31, 2024 DS000 0 Not recorded
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Lead Jan 1, 2024 – Dec 31, 2024 DS000 5 0.006 MG/L 90th percentile
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Lead Jan 1, 2024 – Dec 31, 2024 DS000 5 0.006 MG/L
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Lead Jan 1, 2024 – Dec 31, 2024 DS000 0 Not recorded
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Copper Jan 1, 2023 – Dec 31, 2023 DS000 5 0.22 MG/L 90th percentile
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Copper Jan 1, 2023 – Dec 31, 2023 DS000 5 0.24 MG/L
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Copper Jan 1, 2023 – Dec 31, 2023 DS000 0 Not recorded
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Lead Jan 1, 2023 – Dec 31, 2023 DS000 5 0.005 MG/L 90th percentile
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Lead Jan 1, 2023 – Dec 31, 2023 DS000 5 0.005 MG/L
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Lead Jan 1, 2023 – Dec 31, 2023 DS000 0 Not recorded
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Copper Jan 1, 2022 – Dec 31, 2022 DS000 5 0.244 MG/L 90th percentile
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 Copper Jan 1, 2022 – Dec 31, 2022 DS000 5 0.284 MG/L