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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.

541–560 of 5,298 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, 541 to 560 of 5,298 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
Calhoun Big Creek Water Association, MS0070002 Copper Jan 1, 2025 – Dec 31, 2027 DS000 5 0.199 MG/L 90th percentile
Calhoun Big Creek Water Association, MS0070002 Copper Jan 1, 2025 – Dec 31, 2027 DS000 5 0.24 MG/L
Calhoun Big Creek Water Association, MS0070002 Copper Jan 1, 2025 – Dec 31, 2027 DS000 0 Not recorded
Calhoun Big Creek Water Association, MS0070002 Lead Jan 1, 2025 – Dec 31, 2027 DS000 5 0 MG/L 90th percentile
Calhoun Big Creek Water Association, MS0070002 Lead Jan 1, 2025 – Dec 31, 2027 DS000 5 0 MG/L
Calhoun Big Creek Water Association, MS0070002 Lead Jan 1, 2025 – Dec 31, 2027 DS000 0 Not recorded
Calhoun City of Bruce, MS0070003 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.294 MG/L 90th percentile
Calhoun City of Bruce, MS0070003 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.301 MG/L
Calhoun City of Bruce, MS0070003 Copper Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Calhoun City of Bruce, MS0070003 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.000897 MG/L 90th percentile
Calhoun City of Bruce, MS0070003 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.00156 MG/L
Calhoun City of Bruce, MS0070003 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Calhoun City of Calhoun City, MS0070004 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.163 MG/L 90th percentile
Calhoun City of Calhoun City, MS0070004 Copper Jan 1, 2023 – Dec 31, 2025 DS000 10 0.166 MG/L
Calhoun City of Calhoun City, MS0070004 Copper Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Calhoun City of Calhoun City, MS0070004 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0016 MG/L 90th percentile
Calhoun City of Calhoun City, MS0070004 Lead Jan 1, 2023 – Dec 31, 2025 DS000 10 0.0023 MG/L
Calhoun City of Calhoun City, MS0070004 Lead Jan 1, 2023 – Dec 31, 2025 DS000 0 Not recorded
Calhoun Cross-Roads Water Association, MS0070005 Copper Jan 1, 2026 – Jun 30, 2026 DS000 20 0.155 MG/L 90th percentile
Calhoun Cross-Roads Water Association, MS0070005 Copper Jan 1, 2026 – Jun 30, 2026 DS000 20 1.1 MG/L