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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.

1,281–1,300 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 4 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 The location on record identifies a private home, and we do not publish those.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, 1,281 to 1,300 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
Humphreys Town of Louise, MS0270004 August 17, 2026 SM1 , Location withheld Routine
Humphreys Town of Louise, MS0270004 August 17, 2026 SM2 , Location withheld Routine
Humphreys Town of Louise, MS0270004 August 17, 2026 MRT000 , Max. Res. Time Routine
Humphreys Town of Louise, MS0270004 April 20, 2026 SM1 , Location withheld Routine
Humphreys Town of Louise, MS0270004 April 20, 2026 SM2 , Location withheld Routine
Humphreys Town of Louise, MS0270004 April 20, 2026 SM1 , Location withheld Routine
Humphreys Town of Louise, MS0270004 March 26, 2025 MRT000 , Max. Res. Time Routine
Humphreys Town of Louise, MS0270004 November 18, 2024 SM1 , Location withheld Routine
Humphreys Town of Louise, MS0270004 November 18, 2024 SM2 , Location withheld Routine
Humphreys Humphreys Co. W/A #1-Midnight, MS0270018 April 7, 2025 SM1 , Location withheld Routine
Humphreys Humphreys Co. W/A #3-Jaketown, MS0270019 October 28, 2025 DS000 , Distribution Routine
Humphreys Humphreys Co. W/A #2-Brooklyn, MS0270020 February 10, 2025 SMD , Location withheld Routine
Humphreys Humphreys Co W/A #5-Woodyard, MS0270021 April 30, 2025 SMD , Location withheld Routine
Humphreys Humphreys Co W/A #6-Gooden Lak, MS0270022 October 28, 2025 DS000 , Distribution Routine
Humphreys Humphreys Co-Tchula Lake #7, MS0270024 February 10, 2025 SMD , Location withheld Routine
Humphreys Freshwater Farms, MS0270025 February 10, 2025 SMD , Manager's Restroom Sink Routine
Issaquena Town of Mayersville, MS0280001 December 3, 2025 SMT , Tank Farm Rd- St Peter Church Routine
Issaquena Town of Mayersville, MS0280001 December 3, 2025 SMH , Location withheld Routine
Issaquena Town of Mayersville, MS0280001 July 23, 2025 SMH , Location withheld Routine
Issaquena Town of Mayersville, MS0280001 July 23, 2025 SMT , Tank Farm Rd- St Peter Church Routine