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.
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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.
| 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 |