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

1,681–1,700 of 2,075 samples. From samples collected September 30, 2024 to September 30, 2026. These dates are applied here by default; they are not a limit on what the agency records. Show 5 years, back to September 30, 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.

Choose water systems

This is where it was looked for

Each row is a sample taken for Mercury. 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 Mercury across the systems Mississippi State Department of Health serves, 1,681 to 1,700 of 2,075 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
Simpson Town of Braxton, MS0640002 July 23, 2026 TF104 Routine
Simpson Town of Braxton, MS0640002 March 27, 2025 TF102 , Treatment Plant T102 Routine
Simpson Town of Dlo, MS0640003 September 22, 2025 TF102 , Treatment Plant T102 Routine
Simpson Harrisville W/A, MS0640004 March 26, 2025 TF103 , Treatment Plant T103 Routine
Simpson Harrisville W/A, MS0640004 March 26, 2025 TF104 , Treatment Plant T104 Routine
Simpson Harrisville W/A, MS0640004 March 26, 2025 TF105 , Treatment Plant T105 Routine
Simpson Highway 28 Water Association, MS0640005 March 24, 2025 TF080 , Treatment Plant T080 Routine
Simpson City of Magee, MS0640006 September 22, 2025 TF080 , Treatment Plant T080 Routine
Simpson City of Magee, MS0640006 September 22, 2025 TF081 , Treatment Plant T081 Routine
Simpson City of Mendenhall, MS0640007 March 24, 2025 TF080 , Treatment Plant T080 Routine
Simpson New Hope Water Association, MS0640008 March 24, 2025 TF080 , Treatment Plant T080 Routine
Simpson Okatoma Water Association #1, MS0640009 September 16, 2025 TF082 , Treatment Facility TF082 Routine
Simpson Okatoma Water Association #1, MS0640009 March 24, 2025 TF080 , Treatment Plant T080 Routine
Simpson Okatoma Water Association #1, MS0640009 March 24, 2025 TF081 , Treatment Plant 081 Routine
Simpson Boggan Ridge W/A-Pine Grove, MS0640011 March 24, 2025 TF102 , Treatment Plant T102 Routine
Simpson Poplar Springs Water District, MS0640012 July 27, 2026 TF080 , Treatment Plant T080 Routine
Simpson Poplar Springs Water District, MS0640012 March 24, 2025 TF080 , Treatment Plant T080 Routine
Simpson Smiths Crossing Water Assn, MS0640014 March 24, 2025 TF080 , Treatment Plant T080 Routine
Simpson Smiths Crossing Water Assn, MS0640014 March 24, 2025 TF081 , Treatment Plant T081 Routine
Simpson Smiths Crossing Water Assn, MS0640014 March 24, 2025 TF082 , Treatment Plant T082 Routine