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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. These figures cover the whole record; the list of samples further down is narrowed.
The most recent samples
Showing samples collected between September 27, 2024 and September 27, 2026. That is this page’s default, not a limit on what the agency records.
Choose a date range
The list below shows 136–150 of 586 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Mar 9, 2026 14:21, sampling point TC0029 | Coliform (TCR) |
| Absence , sample collected Mar 9, 2026 14:21, sampling point TC0029 | E. Coli |
|
|
| Absence , sample collected Mar 9, 2026 13:55, sampling point TC0039 | Coliform (TCR) |
| Absence , sample collected Mar 9, 2026 13:55, sampling point TC0039 | E. Coli |
|
|
| Absence , sample collected Mar 9, 2026 13:28, sampling point TC0040 | Coliform (TCR) |
| Absence , sample collected Mar 9, 2026 13:28, sampling point TC0040 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 07:55, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 07:55, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 07:38, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 07:38, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 08:13, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 08:13, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 09:20, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 09:20, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 09:39, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 09:39, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 09:59, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 09:59, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 10:24, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 10:24, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 10:45, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 10:45, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 11:05, sampling point TC0009 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 11:05, sampling point TC0009 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 11:24, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 11:24, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 11:48, sampling point TC0011 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 11:48, sampling point TC0011 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 12:12, sampling point TC0012 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 12:12, sampling point TC0012 | E. Coli |
-
- Collected
- Mar 9, 2026 14:21
- Sampling point
- TC0029 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250519-26984
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 9, 2026 13:55
- Sampling point
- TC0039 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250519-26983
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 9, 2026 13:28
- Sampling point
- TC0040 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250519-26982
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 07:55
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250519-27011
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 07:38
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250519-27010
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 08:13
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250519-27012
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 09:20
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250519-27013
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 09:39
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250519-27014
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 09:59
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250519-27015
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 10:24
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250519-27016
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 10:45
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250519-27017
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 11:05
- Sampling point
- TC0009 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230706-23170
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 11:24
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230706-23171
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 11:48
- Sampling point
- TC0011 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230706-23172
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 12:12
- Sampling point
- TC0012 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230706-23173
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli