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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.

2,281–2,300 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.

Choose water systems
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, 2,281 to 2,300 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
Hinds MS State Fairgrounds, MS0250104 Copper Jul 1, 2022 – Dec 31, 2022 DS000 20 0.293 MG/L 90th percentile
Hinds MS State Fairgrounds, MS0250104 Copper Jul 1, 2022 – Dec 31, 2022 DS000 20 0.348 MG/L
Hinds MS State Fairgrounds, MS0250104 Copper Jul 1, 2022 – Dec 31, 2022 DS000 0 Not recorded
Hinds MS State Fairgrounds, MS0250104 Lead Jul 1, 2022 – Dec 31, 2022 DS000 20 0.0017 MG/L 90th percentile
Hinds MS State Fairgrounds, MS0250104 Lead Jul 1, 2022 – Dec 31, 2022 DS000 20 0.002 MG/L
Hinds MS State Fairgrounds, MS0250104 Lead Jul 1, 2022 – Dec 31, 2022 DS000 0 Not recorded
Hinds MS State Fairgrounds, MS0250104 Copper Jan 1, 2022 – Jun 30, 2022 DS000 20 0.937 MG/L 90th percentile
Hinds MS State Fairgrounds, MS0250104 Copper Jan 1, 2022 – Jun 30, 2022 DS000 20 1.17 MG/L
Hinds MS State Fairgrounds, MS0250104 Copper Jan 1, 2022 – Jun 30, 2022 DS000 1 Not recorded
Hinds MS State Fairgrounds, MS0250104 Lead Jan 1, 2022 – Jun 30, 2022 DS000 20 0.0045 MG/L 90th percentile
Hinds MS State Fairgrounds, MS0250104 Lead Jan 1, 2022 – Jun 30, 2022 DS000 20 0.0124 MG/L
Hinds MS State Fairgrounds, MS0250104 Lead Jan 1, 2022 – Jun 30, 2022 DS000 1 Not recorded
Holmes Castalian W/A, MS0260003 Copper Jan 1, 2025 – Dec 31, 2025 DS000 5 0.155 MG/L 90th percentile
Holmes Castalian W/A, MS0260003 Copper Jan 1, 2025 – Dec 31, 2025 DS000 5 0.159 MG/L
Holmes Castalian W/A, MS0260003 Copper Jan 1, 2025 – Dec 31, 2025 DS000 0 Not recorded
Holmes Castalian W/A, MS0260003 Lead Jan 1, 2025 – Dec 31, 2025 DS000 5 0.0003 MG/L 90th percentile
Holmes Castalian W/A, MS0260003 Lead Jan 1, 2025 – Dec 31, 2025 DS000 5 0.0004 MG/L
Holmes Castalian W/A, MS0260003 Lead Jan 1, 2025 – Dec 31, 2025 DS000 0 Not recorded
Holmes Castalian W/A, MS0260003 Copper Jan 1, 2024 – Dec 31, 2024 DS000 5 0.202 MG/L 90th percentile
Holmes Castalian W/A, MS0260003 Copper Jan 1, 2024 – Dec 31, 2024 DS000 5 0.204 MG/L