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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 9,725 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 7,494 samples on record.

Every sample on record, October 7, 2003 to September 8, 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 1,336–1,350 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 1,336 to 1,350 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 3, 2022 12:19
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13929
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 12:19, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 3, 2022 12:19, sampling point TC0001 E. Coli
Collected
May 3, 2022 11:55
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13928
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 11:55, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 3, 2022 11:55, sampling point TC0002 E. Coli
Collected
May 3, 2022 11:33
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13927
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 11:33, sampling point TC0003 Coliform (TCR)
Absence , sample collected May 3, 2022 11:33, sampling point TC0003 E. Coli
Collected
May 3, 2022 10:30
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13924
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 10:30, sampling point TC0004 Coliform (TCR)
Absence , sample collected May 3, 2022 10:30, sampling point TC0004 E. Coli
Collected
May 3, 2022 10:09
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13923
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 10:09, sampling point TC0005 Coliform (TCR)
Absence , sample collected May 3, 2022 10:09, sampling point TC0005 E. Coli
Collected
May 3, 2022 09:48
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13922
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 09:48, sampling point TC0006 Coliform (TCR)
Absence , sample collected May 3, 2022 09:48, sampling point TC0006 E. Coli
Collected
May 3, 2022 09:25
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13921
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 09:25, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 3, 2022 09:25, sampling point TC0007 E. Coli
Collected
May 3, 2022 09:06
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13920
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 09:06, sampling point TC0008 Coliform (TCR)
Absence , sample collected May 3, 2022 09:06, sampling point TC0008 E. Coli
Collected
May 3, 2022 08:44
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13919
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 08:44, sampling point TC0009 Coliform (TCR)
Absence , sample collected May 3, 2022 08:44, sampling point TC0009 E. Coli
Collected
May 3, 2022 08:25
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13918
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 08:25, sampling point TC0010 Coliform (TCR)
Absence , sample collected May 3, 2022 08:25, sampling point TC0010 E. Coli
Collected
May 3, 2022 08:05
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13917
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 08:05, sampling point TC0011 Coliform (TCR)
Absence , sample collected May 3, 2022 08:05, sampling point TC0011 E. Coli
Collected
May 3, 2022 07:42
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13916
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 07:42, sampling point TC0012 Coliform (TCR)
Absence , sample collected May 3, 2022 07:42, sampling point TC0012 E. Coli
Collected
May 3, 2022 07:22
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13915
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 07:22, sampling point TC0013 Coliform (TCR)
Absence , sample collected May 3, 2022 07:22, sampling point TC0013 E. Coli
Collected
May 3, 2022 12:40
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13930
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 12:40, sampling point TC0022 Coliform (TCR)
Absence , sample collected May 3, 2022 12:40, sampling point TC0022 E. Coli
Collected
May 3, 2022 13:30
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13931
Laboratory
MSDH Lab
Monitoring period
May 1, 2022 – May 31, 2022
Absence , sample collected May 3, 2022 13:30, sampling point TC0023 Coliform (TCR)
Absence , sample collected May 3, 2022 13:30, sampling point TC0023 E. Coli