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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.

Coliform results

Each row is one sample, with every result recorded on it.

4,801–4,815 of 92,052 samples. From samples collected October 9, 2024 to October 9, 2026. These dates are applied here by default; they are not a limit on what the agency records. Show 5 years, back to October 9, 2021.

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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.

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How to read a result

A coliform result is presence or absence and carries no measured amount.

Coliform and microbial samples across the systems Mississippi State Department of Health serves, 4,801 to 4,815 of 92,052 samples shown. Each row is one sample and the results recorded on it; a coliform result is presence or absence and carries no measured amount. The rows are in the agency’s own order and are not ranked.
County Water system Collected Results Sampling point Sample type Lab sample
Calhoun Town of Derma, MS0070006 December 16, 2025 0 of 2 present TC0010 , Outside Faucet Routine BACT-250801-39264
Calhoun Town of Derma, MS0070006 November 17, 2025 0 of 2 present TC0002 , Outside Faucet Routine BACT-250801-39262
Calhoun Town of Derma, MS0070006 November 17, 2025 0 of 2 present TC0008 , Outside Faucet Routine BACT-250801-39261
Calhoun Town of Derma, MS0070006 October 20, 2025 0 of 2 present TC0003 , Outside Faucet Routine BACT-250801-39259
Calhoun Town of Derma, MS0070006 October 20, 2025 0 of 2 present TC0009 , Outside Faucet Routine BACT-250801-39260
Calhoun Town of Derma, MS0070006 September 16, 2025 0 of 2 present TC0002 , Outside Faucet Routine BACT-240121-4024
Calhoun Town of Derma, MS0070006 September 16, 2025 0 of 2 present TC0010 , Outside Faucet Routine BACT-240121-4025
Calhoun Town of Derma, MS0070006 August 6, 2025 0 of 2 present TC0002 , Outside Faucet Routine BACT-240121-4023
Calhoun Town of Derma, MS0070006 August 6, 2025 0 of 2 present TC0008 , Outside Faucet Routine BACT-240121-4022
Calhoun Town of Derma, MS0070006 July 22, 2025 0 of 2 present TC0007 , Outside Faucet Routine BACT-240121-4021
Calhoun Town of Derma, MS0070006 July 22, 2025 0 of 2 present TC0009 , Outside Faucet Routine BACT-240121-4020
Calhoun Town of Derma, MS0070006 June 9, 2025 0 of 2 present TC0002 , Outside Faucet Routine BACT-240121-4018
Calhoun Town of Derma, MS0070006 June 9, 2025 0 of 2 present TC0008 , Outside Faucet Routine BACT-240121-4019
Calhoun Town of Derma, MS0070006 May 21, 2025 0 of 2 present TC0002 , Outside Faucet Routine BACT-240121-4017
Calhoun Town of Derma, MS0070006 May 21, 2025 0 of 2 present TC0007 , Outside Faucet Routine BACT-240121-4016