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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 Total Haloacetic Acids (Haa5) across the water systems Mississippi State Department of Health serves — where it was looked for, and at which sampling point.

901–920 of 4,242 samples. From samples collected September 28, 2024 to September 28, 2026. These dates are applied here by default; they are not a limit on what the agency records. Show 5 years, back to September 28, 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 Total Haloacetic Acids (Haa5). 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 The location on record identifies a private home, and we do not publish those.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 Total Haloacetic Acids (Haa5) across the systems Mississippi State Department of Health serves, 901 to 920 of 4,242 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 City of Long Beach, MS0240005 June 24, 2026 SM1 , Location withheld Routine
Harrison City of Long Beach, MS0240005 March 17, 2025 SM2 , Location withheld Routine
Harrison City of Long Beach, MS0240005 March 17, 2025 SM3 , Location withheld Routine
Harrison City of Pass Christian, MS0240009 March 17, 2025 SMH , Location withheld Routine
Harrison City of Pass Christian, MS0240009 March 17, 2025 SMT , Location withheld Routine
Harrison City of Pass Christian, MS0240009 November 6, 2024 SM2 , Location withheld Routine
Harrison City of Pass Christian, MS0240009 November 6, 2024 SM1 , Location withheld Routine
Harrison Saucier Utilities, MS0240011 December 29, 2025 SM2 , Location withheld Routine
Harrison Saucier Utilities, MS0240011 December 29, 2025 SM1 , Location withheld Routine
Harrison Saucier Utilities, MS0240011 December 29, 2025 SM2 , Location withheld Routine
Harrison Saucier Utilities, MS0240011 December 29, 2025 SM1 , Location withheld Routine
Harrison Saucier Utilities, MS0240011 December 29, 2025 SM1 , Location withheld Routine
Harrison Saucier Utilities, MS0240011 December 11, 2024 SM2 , Location withheld Routine
Harrison Saucier Utilities, MS0240011 December 11, 2024 SM1 , Location withheld Routine
Harrison Cedar Lake Biloxi, LLC, MS0240026 March 31, 2025 SM1 , Lot 156 Routine
Harrison Cedar Lake Biloxi, LLC, MS0240026 March 31, 2025 SM2 , Lot132 Routine
Harrison Knollwood, MS0240027 February 11, 2025 SMD , Location withheld Routine
Harrison City of Biloxi-French, MS0240036 November 12, 2025 SM1 , Location withheld Routine
Harrison Bernard Bayou Industrial District, MS0240046 February 7, 2026 SM1 , Location withheld Routine
Harrison Bernard Bayou Industrial District, MS0240046 March 26, 2025 SM1 , Location withheld Routine