Skip to main content
Alpha

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

MS0490010 , City of Winona

14 of 2,346 results on record were positive for coliform or another organism the agency tests for. The most recent was May 6, 2024.

They fall across 14 of the 1,805 samples on record.

Every sample on record, October 15, 2003 to August 4, 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 1,805 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Winona, 31 to 45 of 1,805 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 2, 2026 07:37
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14039
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 2, 2026 07:37, sampling point TC0012 Coliform (TCR)
Absence , sample collected Mar 2, 2026 07:37, sampling point TC0012 E. Coli
Collected
Mar 2, 2026 07:05
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14041
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 2, 2026 07:05, sampling point TC0019 Coliform (TCR)
Absence , sample collected Mar 2, 2026 07:05, sampling point TC0019 E. Coli
Collected
Mar 2, 2026 07:20
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14040
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 2, 2026 07:20, sampling point TC0020 Coliform (TCR)
Absence , sample collected Mar 2, 2026 07:20, sampling point TC0020 E. Coli
Collected
Mar 1, 2026 14:55
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14036
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 1, 2026 14:55, sampling point TC0016 Coliform (TCR)
Absence , sample collected Mar 1, 2026 14:55, sampling point TC0016 E. Coli
Collected
Mar 1, 2026 15:17
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14037
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 1, 2026 15:17, sampling point TC0017 Coliform (TCR)
Absence , sample collected Mar 1, 2026 15:17, sampling point TC0017 E. Coli
Collected
Mar 1, 2026 15:35
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14038
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 1, 2026 15:35, sampling point TC0018 Coliform (TCR)
Absence , sample collected Mar 1, 2026 15:35, sampling point TC0018 E. Coli
Collected
Feb 9, 2026 07:10
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14133
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 07:10, sampling point TC0013 Coliform (TCR)
Absence , sample collected Feb 9, 2026 07:10, sampling point TC0013 E. Coli
Collected
Feb 9, 2026 07:33
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14134
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 07:33, sampling point TC0014 Coliform (TCR)
Absence , sample collected Feb 9, 2026 07:33, sampling point TC0014 E. Coli
Collected
Feb 9, 2026 07:51
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14035
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 07:51, sampling point TC0015 Coliform (TCR)
Absence , sample collected Feb 9, 2026 07:51, sampling point TC0015 E. Coli
Collected
Feb 8, 2026 16:05
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14132
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 8, 2026 16:05, sampling point TC0012 Coliform (TCR)
Absence , sample collected Feb 8, 2026 16:05, sampling point TC0012 E. Coli
Collected
Feb 8, 2026 15:15
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14130
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 8, 2026 15:15, sampling point TC0019 Coliform (TCR)
Absence , sample collected Feb 8, 2026 15:15, sampling point TC0019 E. Coli
Collected
Feb 8, 2026 15:36
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14131
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 8, 2026 15:36, sampling point TC0020 Coliform (TCR)
Absence , sample collected Feb 8, 2026 15:36, sampling point TC0020 E. Coli
Collected
Jan 13, 2026 14:30
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14129
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 14:30, sampling point TC0018 Coliform (TCR)
Absence , sample collected Jan 13, 2026 14:30, sampling point TC0018 E. Coli
Collected
Jan 12, 2026 07:13
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14126
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 12, 2026 07:13, sampling point TC0016 Coliform (TCR)
Absence , sample collected Jan 12, 2026 07:13, sampling point TC0016 E. Coli
Collected
Jan 12, 2026 07:30
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-250318-14127
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 12, 2026 07:30, sampling point TC0017 Coliform (TCR)
Absence , sample collected Jan 12, 2026 07:30, sampling point TC0017 E. Coli