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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.

1,001–1,020 of 4,384 samples. From samples collected September 29, 2024 to September 29, 2026. These dates are applied here by default; they are not a limit on what the agency records. Show 5 years, back to September 29, 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 5 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 The location on record identifies a private home, and we do not publish those.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, 1,001 to 1,020 of 4,384 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
Harrison The Oaks Utilities, MS0240256 February 19, 2025 SM1 , Location withheld Routine
Harrison St Patrick High School, MS0240259 March 24, 2025 SMD , Well Site Tank Routine
Harrison D'Iberville High School, MS0240262 March 31, 2025 SMH , Site 2 North West Side Routine
Harrison D'Iberville High School, MS0240262 March 31, 2025 SMT , Site 3 East Side Routine
Harrison West Harrison High School, MS0240263 April 23, 2025 MRT000 , Max. Res. Time Routine
Harrison Echcpud-Tradition Subdivision, MS0240266 February 11, 2025 SMD , Location withheld Routine
Harrison Sutter Water Service-Magnolia Springs, MS0240271 November 17, 2025 SM2 , Location withheld Routine
Harrison Sutter Water Service-Magnolia Springs, MS0240271 October 7, 2024 SM1 , Location withheld Routine
Harrison Sutter Water Service-Magnolia Springs, MS0240271 October 7, 2024 SM2 , Location withheld Routine
Harrison HCUA-East, MS0240272 June 23, 2026 SM1 , Location withheld Routine
Harrison HCUA-East, MS0240272 June 23, 2026 SM2 , 950' East of Hwy 67 on Traditions Parkwy Routine
Harrison HCUA-East, MS0240272 February 24, 2026 SM1 , Location withheld Routine
Harrison HCUA-East, MS0240272 February 24, 2026 SM2 , 950' East of Hwy 67 on Traditions Parkwy Routine
Harrison HCUA-East, MS0240272 December 16, 2025 SM1 , Location withheld Routine
Harrison HCUA-East, MS0240272 April 30, 2025 SM2 , 950' East of Hwy 67 on Traditions Parkwy Routine
Harrison Echcpud-DeSoto Trails Subdivision, MS0240274 March 31, 2025 SMH , Location withheld Routine
Harrison Echcpud-DeSoto Trails Subdivision, MS0240274 March 31, 2025 SMT , Location withheld Routine
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 June 23, 2026 SM1 , Location withheld Routine
Harrison West Harrison WTR & Sewer Dist #2, MS0240279 March 25, 2025 SM1 , Location withheld Routine
Hinds Town of Bolton, MS0250001 June 25, 2026 SM1 , Location withheld Routine