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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 16–30 of 184 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Richland, 16 to 30 of 184 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 13, 2026 10:40
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45133
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 13, 2026 10:40, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jul 13, 2026 10:40, sampling point TC0011 E. Coli
Collected
Jun 11, 2026 09:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45221
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 11, 2026 09:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jun 11, 2026 09:00, sampling point TC0002 E. Coli
Collected
Jun 11, 2026 09:20
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45222
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 11, 2026 09:20, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jun 11, 2026 09:20, sampling point TC0004 E. Coli
Collected
Jun 11, 2026 10:00
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45224
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 11, 2026 10:00, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jun 11, 2026 10:00, sampling point TC0008 E. Coli
Collected
Jun 11, 2026 09:40
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45223
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 11, 2026 09:40, sampling point TC0014 Coliform (TCR)
Absence , sample collected Jun 11, 2026 09:40, sampling point TC0014 E. Coli
Collected
Jun 10, 2026 11:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45220
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 10, 2026 11:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jun 10, 2026 11:00, sampling point TC0001 E. Coli
Collected
Jun 10, 2026 10:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45217
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 10, 2026 10:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jun 10, 2026 10:00, sampling point TC0009 E. Coli
Collected
Jun 10, 2026 10:40
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45219
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 10, 2026 10:40, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jun 10, 2026 10:40, sampling point TC0011 E. Coli
Collected
Jun 10, 2026 10:20
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45218
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 10, 2026 10:20, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jun 10, 2026 10:20, sampling point TC0012 E. Coli
Collected
May 13, 2026 09:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45213
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 13, 2026 09:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 13, 2026 09:00, sampling point TC0001 E. Coli
Collected
May 13, 2026 09:20
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45214
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 13, 2026 09:20, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 13, 2026 09:20, sampling point TC0007 E. Coli
Collected
May 13, 2026 10:00
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45216
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 13, 2026 10:00, sampling point TC0012 Coliform (TCR)
Absence , sample collected May 13, 2026 10:00, sampling point TC0012 E. Coli
Collected
May 13, 2026 09:40
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45215
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 13, 2026 09:40, sampling point TC0014 Coliform (TCR)
Absence , sample collected May 13, 2026 09:40, sampling point TC0014 E. Coli
Collected
May 12, 2026 09:40
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45211
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 12, 2026 09:40, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 12, 2026 09:40, sampling point TC0002 E. Coli
Collected
May 12, 2026 09:20
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45210
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 12, 2026 09:20, sampling point TC0004 Coliform (TCR)
Absence , sample collected May 12, 2026 09:20, sampling point TC0004 E. Coli