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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

MS0460003 , City of Columbia

11 of 2,690 results on record were positive for coliform or another organism the agency tests for. The most recent was June 29, 2020.

They fall across 11 of the 2,068 samples on record.

Every sample on record, October 16, 2003 to July 27, 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 31–45 of 2,068 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Columbia, 31 to 45 of 2,068 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 26, 2026 07:18
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-68783
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 26, 2026 07:18, sampling point TC0004 Coliform (TCR)
Absence , sample collected Mar 26, 2026 07:18, sampling point TC0004 E. Coli
Collected
Mar 26, 2026 07:35
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-68784
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 26, 2026 07:35, sampling point TC0006 Coliform (TCR)
Absence , sample collected Mar 26, 2026 07:35, sampling point TC0006 E. Coli
Collected
Mar 26, 2026 08:51
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-68786
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 26, 2026 08:51, sampling point TC0009 Coliform (TCR)
Absence , sample collected Mar 26, 2026 08:51, sampling point TC0009 E. Coli
Collected
Mar 26, 2026 06:40
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-68785
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 26, 2026 06:40, sampling point TC0012 Coliform (TCR)
Absence , sample collected Mar 26, 2026 06:40, sampling point TC0012 E. Coli
Collected
Mar 24, 2026 16:15
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-68780
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 24, 2026 16:15, sampling point TC0008 Coliform (TCR)
Absence , sample collected Mar 24, 2026 16:15, sampling point TC0008 E. Coli
Collected
Feb 24, 2026 16:00
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10081
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 24, 2026 16:00, sampling point TC0008 Coliform (TCR)
Absence , sample collected Feb 24, 2026 16:00, sampling point TC0008 E. Coli
Collected
Jan 22, 2026 07:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10173
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 22, 2026 07:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jan 22, 2026 07:00, sampling point TC0002 E. Coli
Collected
Jan 22, 2026 07:18
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10174
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 22, 2026 07:18, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jan 22, 2026 07:18, sampling point TC0003 E. Coli
Collected
Jan 22, 2026 07:41
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10175
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 22, 2026 07:41, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jan 22, 2026 07:41, sampling point TC0004 E. Coli
Collected
Jan 22, 2026 08:14
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10076
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 22, 2026 08:14, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jan 22, 2026 08:14, sampling point TC0005 E. Coli
Collected
Jan 22, 2026 08:39
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10077
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 22, 2026 08:39, sampling point TC0006 Coliform (TCR)
Absence , sample collected Jan 22, 2026 08:39, sampling point TC0006 E. Coli
Collected
Jan 22, 2026 08:55
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10078
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 22, 2026 08:55, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jan 22, 2026 08:55, sampling point TC0012 E. Coli
Collected
Jan 21, 2026 17:10
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10080
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 21, 2026 17:10, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jan 21, 2026 17:10, sampling point TC0008 E. Coli
Collected
Dec 10, 2025 15:37
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10172
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 15:37, sampling point TC0008 Coliform (TCR)
Absence , sample collected Dec 10, 2025 15:37, sampling point TC0008 E. Coli
Collected
Dec 9, 2025 14:50
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10166
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 9, 2025 14:50, sampling point TC0002 Coliform (TCR)
Absence , sample collected Dec 9, 2025 14:50, sampling point TC0002 E. Coli