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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 and microbial samples

MS0440003 , Columbus Light & Water

7 of 9,675 results on record were positive for coliform or another organism the agency tests for. The most recent was December 1, 2025.

They fall across 7 of the 7,469 samples on record.

Every sample on record, October 7, 2003 to August 11, 2026. No date range is applied.

This system’s violations

The most recent samples

No date range is applied: this list draws on every sample on record. Show the last two years only.

The list below shows 16–30 of 7,469 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 16 to 30 of 7,469 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 3, 2026 08:35
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16331
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 3, 2026 08:35, sampling point TC0005 Coliform (TCR)
Absence , sample collected Aug 3, 2026 08:35, sampling point TC0005 E. Coli
Collected
Aug 3, 2026 09:00
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16332
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 3, 2026 09:00, sampling point TC0006 Coliform (TCR)
Absence , sample collected Aug 3, 2026 09:00, sampling point TC0006 E. Coli
Collected
Aug 3, 2026 09:32
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16333
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 3, 2026 09:32, sampling point TC0007 Coliform (TCR)
Absence , sample collected Aug 3, 2026 09:32, sampling point TC0007 E. Coli
Collected
Aug 3, 2026 10:36
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16319
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 3, 2026 10:36, sampling point TC0008 Coliform (TCR)
Absence , sample collected Aug 3, 2026 10:36, sampling point TC0008 E. Coli
Collected
Aug 3, 2026 10:59
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16334
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 3, 2026 10:59, sampling point TC0009 Coliform (TCR)
Absence , sample collected Aug 3, 2026 10:59, sampling point TC0009 E. Coli
Collected
Aug 3, 2026 11:23
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16335
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 3, 2026 11:23, sampling point TC0010 Coliform (TCR)
Absence , sample collected Aug 3, 2026 11:23, sampling point TC0010 E. Coli
Collected
Aug 3, 2026 11:39
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16336
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 3, 2026 11:39, sampling point TC0011 Coliform (TCR)
Absence , sample collected Aug 3, 2026 11:39, sampling point TC0011 E. Coli
Collected
Aug 3, 2026 12:23
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16337
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 3, 2026 12:23, sampling point TC0012 Coliform (TCR)
Absence , sample collected Aug 3, 2026 12:23, sampling point TC0012 E. Coli
Collected
Aug 3, 2026 12:43
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16338
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 3, 2026 12:43, sampling point TC0013 Coliform (TCR)
Absence , sample collected Aug 3, 2026 12:43, sampling point TC0013 E. Coli
Collected
Aug 3, 2026 13:14
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16339
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 3, 2026 13:14, sampling point TC0014 Coliform (TCR)
Absence , sample collected Aug 3, 2026 13:14, sampling point TC0014 E. Coli
Collected
Jul 7, 2026 07:00
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16310
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 7, 2026 07:00, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jul 7, 2026 07:00, sampling point TC0012 E. Coli
Collected
Jul 7, 2026 07:25
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16321
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 7, 2026 07:25, sampling point TC0013 Coliform (TCR)
Absence , sample collected Jul 7, 2026 07:25, sampling point TC0013 E. Coli
Collected
Jul 7, 2026 08:18
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16322
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 7, 2026 08:18, sampling point TC0014 Coliform (TCR)
Absence , sample collected Jul 7, 2026 08:18, sampling point TC0014 E. Coli
Collected
Jul 7, 2026 08:39
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16323
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 7, 2026 08:39, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jul 7, 2026 08:39, sampling point TC0015 E. Coli
Collected
Jul 7, 2026 09:55
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16326
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 7, 2026 09:55, sampling point TC0016 Coliform (TCR)
Absence , sample collected Jul 7, 2026 09:55, sampling point TC0016 E. Coli