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

441–460 of 2,882 samples. From samples collected September 27, 2024 to September 27, 2026. These dates are applied here by default; they are not a limit on what the agency records. Show 5 years, back to September 27, 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 Nitrate-Nitrite. 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.

Samples taken for Nitrate-Nitrite across the systems Mississippi State Department of Health serves, 441 to 460 of 2,882 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
DeSoto City of Hernando, MS0170009 February 24, 2026 TF081 , Treatment Plant T081 Routine
DeSoto City of Hernando, MS0170009 March 18, 2025 TF081 , Treatment Plant T081 Routine
DeSoto Horn Lake Water Association, MS0170010 February 24, 2026 TF080 , Treatment Plant T080 Routine
DeSoto Horn Lake Water Association, MS0170010 February 24, 2026 TF081 Routine
DeSoto Horn Lake Water Association, MS0170010 January 29, 2025 TF080 , Treatment Plant T080 Routine
DeSoto Horn Lake Water Association, MS0170010 January 29, 2025 TF081 Routine
DeSoto Lewisburg Water Association, MS0170011 February 10, 2026 TF080 , Treatment Plant T080 Routine
DeSoto Lewisburg Water Association, MS0170011 February 10, 2026 TF081 Routine
DeSoto Lewisburg Water Association, MS0170011 January 27, 2025 TF080 , Treatment Plant T080 Routine
DeSoto Lewisburg Water Association, MS0170011 January 27, 2025 TF081 Routine
DeSoto Nesbit Water Association, MS0170014 February 4, 2026 TF105 , TF105 Routine
DeSoto Nesbit Water Association, MS0170014 January 29, 2025 TF105 , TF105 Routine
DeSoto City of Olive Branch, MS0170015 June 17, 2026 TF086 , Treatment Plant T086 Routine
DeSoto City of Olive Branch, MS0170015 February 23, 2026 TF080 , Treatment Plant T080 Routine
DeSoto City of Olive Branch, MS0170015 February 23, 2026 TF081 , Treatment Plant T081 Routine
DeSoto City of Olive Branch, MS0170015 February 23, 2026 TF083 , Treatment Plant T083 Routine
DeSoto City of Olive Branch, MS0170015 February 23, 2026 TF085 , Treatment Plant T085 Routine
DeSoto City of Olive Branch, MS0170015 February 23, 2026 TF087 , Treatment Plant T087 Routine
DeSoto City of Olive Branch, MS0170015 January 28, 2025 TF080 , Treatment Plant T080 Routine
DeSoto City of Olive Branch, MS0170015 January 28, 2025 TF085 , Treatment Plant T085 Routine