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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

MS0610023 , City of Richland

6 of 2,864 results on record were positive for coliform or another organism the agency tests for. The most recent was August 10, 2023.

They fall across 5 of the 2,153 samples on record.

Every sample on record, October 3, 2003 to August 17, 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 46–60 of 184 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Richland, 46 to 60 of 184 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 10, 2026 09:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45187
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 10, 2026 09:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Mar 10, 2026 09:00, sampling point TC0002 E. Coli
Collected
Mar 10, 2026 10:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45190
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 10, 2026 10:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Mar 10, 2026 10:00, sampling point TC0007 E. Coli
Collected
Mar 10, 2026 09:20
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45188
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 10, 2026 09:20, sampling point TC0011 Coliform (TCR)
Absence , sample collected Mar 10, 2026 09:20, sampling point TC0011 E. Coli
Collected
Feb 12, 2026 10:20
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45184
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 12, 2026 10:20, sampling point TC0007 Coliform (TCR)
Absence , sample collected Feb 12, 2026 10:20, sampling point TC0007 E. Coli
Collected
Feb 12, 2026 10:40
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45185
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 12, 2026 10:40, sampling point TC0008 Coliform (TCR)
Absence , sample collected Feb 12, 2026 10:40, sampling point TC0008 E. Coli
Collected
Feb 12, 2026 10:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45183
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 12, 2026 10:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected Feb 12, 2026 10:00, sampling point TC0009 E. Coli
Collected
Feb 12, 2026 11:00
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45186
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 12, 2026 11:00, sampling point TC0014 Coliform (TCR)
Absence , sample collected Feb 12, 2026 11:00, sampling point TC0014 E. Coli
Collected
Feb 11, 2026 09:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45179
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 09:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Feb 11, 2026 09:00, sampling point TC0001 E. Coli
Collected
Feb 11, 2026 10:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45182
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 10:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Feb 11, 2026 10:00, sampling point TC0002 E. Coli
Collected
Feb 11, 2026 09:20
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45180
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 09:20, sampling point TC0011 Coliform (TCR)
Absence , sample collected Feb 11, 2026 09:20, sampling point TC0011 E. Coli
Collected
Feb 11, 2026 09:40
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45181
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 09:40, sampling point TC0012 Coliform (TCR)
Absence , sample collected Feb 11, 2026 09:40, sampling point TC0012 E. Coli
Collected
Jan 14, 2026 10:20
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45272
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 14, 2026 10:20, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jan 14, 2026 10:20, sampling point TC0004 E. Coli
Collected
Jan 14, 2026 11:00
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45274
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 14, 2026 11:00, sampling point TC0006 Coliform (TCR)
Absence , sample collected Jan 14, 2026 11:00, sampling point TC0006 E. Coli
Collected
Jan 14, 2026 10:00
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45271
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 14, 2026 10:00, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jan 14, 2026 10:00, sampling point TC0012 E. Coli
Collected
Jan 14, 2026 10:40
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45273
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 14, 2026 10:40, sampling point TC0014 Coliform (TCR)
Absence , sample collected Jan 14, 2026 10:40, sampling point TC0014 E. Coli