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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.

Samples for one analyte

Samples taken for Cyanide across the water systems Mississippi State Department of Health serves — where it was looked for, and at which sampling point.

2,001–2,020 of 2,118 samples. From samples collected October 1, 2024 to October 1, 2026. These dates are applied here by default; they are not a limit on what the agency records. Show 5 years, back to October 1, 2021.

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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This is where it was looked for

Each row is a sample taken for Cyanide. These rows carry no result and no measured amount — a row means the analyte was sampled for at that point, not that it was found there.

Which analytes a system has detected, and when, is on that system’s own sample results page, reachable from its record.

Samples taken for Cyanide across the systems Mississippi State Department of Health serves, 2,001 to 2,020 of 2,118 samples shown. Each row is a sample and carries no result: it says where the analyte was looked for, not what was found.
County Water system Collected Sampling point Sample type
Washington Black Bayou Water Assn., MS0760076 August 19, 2025 TF115 , Treatment Plant T103 Routine
Washington Black Bayou Water Assn., MS0760076 May 13, 2025 TF115 , Treatment Plant T103 Routine
Washington Black Bayou Water Assn., MS0760076 May 13, 2025 TF080 , TF080 Lake Jackson Routine
Washington Black Bayou Water Assn., MS0760076 March 4, 2025 TF115 , Treatment Plant T103 Routine
Washington Harlows Casino, MS0760078 December 8, 2025 TF080 Routine
Washington Jamie Whitten Delta States Research Cent, MS0760079 October 7, 2024 TF101 , Treatment Facility TF101 Routine
Wayne Buckatunna Water Association, MS0770001 January 7, 2026 TF101 , Treatment Plant T101 Routine
Wayne Buckatunna Water Association, MS0770001 January 7, 2026 TF104 , Treatment Plant T104 Routine
Wayne Buckatunna Water Association, MS0770001 January 7, 2026 TF105 , Treatment Plant T105 Routine
Wayne Buckatunna Water Association, MS0770001 January 7, 2026 TF106 , Treatment Plant T106 Routine
Wayne Buckatunna Water Association, MS0770001 January 7, 2026 TF107 , Treatment Plant T107 Routine
Wayne Buckatunna Water Association, MS0770001 January 7, 2026 TF108 Routine
Wayne Clara Water Association, MS0770002 August 6, 2026 TF105 , Treatment Facility TF105 Routine
Wayne Clara Water Association, MS0770002 August 6, 2026 TF106 , Treatment Facility TF106 Routine
Wayne Clara Water Association, MS0770002 December 8, 2025 TF104 , Treatment Plant TF104 Routine
Wayne Clara Water Association, MS0770002 May 12, 2025 TF105 , Treatment Facility TF105 Routine
Wayne Clara Water Association, MS0770002 May 12, 2025 TF106 , Treatment Facility TF106 Routine
Wayne City of Waynesboro, MS0770003 December 10, 2025 TF101 , Treatment Plant T101 Routine
Wayne City of Waynesboro, MS0770003 December 10, 2025 TF103 , Treatment Plant T103 Routine
Wayne Whistler Water Association, MS0770004 December 9, 2025 TF080 , Treatment Plant T080 Routine