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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. These figures cover the whole record; the list of samples further down is narrowed.

This system’s violations

The most recent samples

Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

Choose a date range

The list below shows 106–120 of 149 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Columbia, 106 to 120 of 149 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 22, 2025 16:15
Sampling point
TCR20060008
Sample type
Routine
Lab sample
BACT-230322-10208
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 22, 2025 16:15, sampling point TCR20060008 Coliform (TCR)
Absence , sample collected Apr 22, 2025 16:15, sampling point TCR20060008 E. Coli
Collected
Mar 27, 2025 08:30
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10206
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 27, 2025 08:30, sampling point TC0008 Coliform (TCR)
Absence , sample collected Mar 27, 2025 08:30, sampling point TC0008 E. Coli
Collected
Mar 26, 2025 16:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10184
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 26, 2025 16:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Mar 26, 2025 16:00, sampling point TC0002 E. Coli
Collected
Mar 26, 2025 16:18
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10185
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 26, 2025 16:18, sampling point TC0003 Coliform (TCR)
Absence , sample collected Mar 26, 2025 16:18, sampling point TC0003 E. Coli
Collected
Mar 26, 2025 16:30
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10203
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 26, 2025 16:30, sampling point TC0004 Coliform (TCR)
Absence , sample collected Mar 26, 2025 16:30, sampling point TC0004 E. Coli
Collected
Mar 26, 2025 16:52
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10204
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 26, 2025 16:52, sampling point TC0006 Coliform (TCR)
Absence , sample collected Mar 26, 2025 16:52, sampling point TC0006 E. Coli
Collected
Mar 26, 2025 17:29
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10207
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 26, 2025 17:29, sampling point TC0009 Coliform (TCR)
Absence , sample collected Mar 26, 2025 17:29, sampling point TC0009 E. Coli
Collected
Mar 26, 2025 17:10
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10205
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 26, 2025 17:10, sampling point TC0012 Coliform (TCR)
Absence , sample collected Mar 26, 2025 17:10, sampling point TC0012 E. Coli
Collected
Feb 26, 2025 14:01
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10197
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 26, 2025 14:01, sampling point TC0002 Coliform (TCR)
Absence , sample collected Feb 26, 2025 14:01, sampling point TC0002 E. Coli
Collected
Feb 26, 2025 14:19
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10198
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 26, 2025 14:19, sampling point TC0003 Coliform (TCR)
Absence , sample collected Feb 26, 2025 14:19, sampling point TC0003 E. Coli
Collected
Feb 26, 2025 14:37
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10199
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 26, 2025 14:37, sampling point TC0004 Coliform (TCR)
Absence , sample collected Feb 26, 2025 14:37, sampling point TC0004 E. Coli
Collected
Feb 26, 2025 14:55
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10200
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 26, 2025 14:55, sampling point TC0006 Coliform (TCR)
Absence , sample collected Feb 26, 2025 14:55, sampling point TC0006 E. Coli
Collected
Feb 26, 2025 15:25
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10202
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 26, 2025 15:25, sampling point TC0009 Coliform (TCR)
Absence , sample collected Feb 26, 2025 15:25, sampling point TC0009 E. Coli
Collected
Feb 26, 2025 15:11
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10201
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 26, 2025 15:11, sampling point TC0012 Coliform (TCR)
Absence , sample collected Feb 26, 2025 15:11, sampling point TC0012 E. Coli
Collected
Feb 25, 2025 15:18
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-230322-10196
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 25, 2025 15:18, sampling point TC0008 Coliform (TCR)
Absence , sample collected Feb 25, 2025 15:18, sampling point TC0008 E. Coli