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

1,421–1,440 of 4,378 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 TTHM. 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.

We withheld the location of 6 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Samples taken for TTHM across the systems Mississippi State Department of Health serves, 1,421 to 1,440 of 4,378 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
Jackson West Jackson Co Utility Dist, MS0300156 April 9, 2025 SM1 , Location withheld Routine
Jackson West Jackson Co Utility Dist, MS0300156 October 15, 2024 SM1 , Location withheld Routine
Jackson West Jackson Co Utility Dist, MS0300156 October 15, 2024 SM2 , Location withheld Routine
Jackson West Jackson Co Utility Dist, MS0300156 October 15, 2024 SM3 , Location withheld Routine
Jackson West Jackson Co Utility Dist, MS0300156 October 15, 2024 SM4 , Location withheld Routine
Jackson Houston Estates Utility-Palmetto Pointe, MS0300162 February 24, 2026 SM2 , Location withheld Routine
Jackson Houston Estates Utility-Palmetto Pointe, MS0300162 March 26, 2025 SM2 , Location withheld Routine
Jackson Houston Estates Utility-Palmetto Pointe, MS0300162 October 30, 2024 SM1 , Location withheld Routine
Jackson Houston Estates Utility-Palmetto Pointe, MS0300162 October 30, 2024 SM2 , Location withheld Routine
Jackson Helena Utility District, MS0300163 June 30, 2026 SMH , Location withheld Routine
Jackson Helena Utility District, MS0300163 June 30, 2026 DS000 Routine
Jackson Helena Utility District, MS0300163 April 1, 2025 SMH , Location withheld Routine
Jackson Helena Utility District, MS0300163 April 1, 2025 SMT , Location withheld Routine
Jackson Jackson Co Utility Authority-West, MS0300164 February 18, 2026 SM2 , Location withheld Routine
Jackson Jackson Co Utility Authority-West, MS0300164 April 2, 2025 SMH , Location withheld Routine
Jackson Jackson Co Utility Authority-West, MS0300164 April 2, 2025 SMT , Location withheld Routine
Jackson Jackson Co Utility Authority-West, MS0300164 November 20, 2024 SM1 , Location withheld Routine
Jackson Jackson Co Utility Authority-West, MS0300164 November 20, 2024 SM2 , Location withheld Routine
Jackson Gulf LNG Clean Energy Potable Water Plan, MS0300165 April 2, 2025 SM1 , Location withheld Routine
Jackson Jackson Co Utility Authority-East, MS0300166 May 18, 2026 DS000 , Distribution DS000 Routine