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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 27, 2024 and September 27, 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 91–105 of 184 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Richland, 91 to 105 of 184 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Sep 22, 2025 10:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45240
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 22, 2025 10:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected Sep 22, 2025 10:00, sampling point TC0009 E. Coli
Collected
Sep 22, 2025 09:00
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45237
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 22, 2025 09:00, sampling point TC0012 Coliform (TCR)
Absence , sample collected Sep 22, 2025 09:00, sampling point TC0012 E. Coli
Collected
Sep 18, 2025 10:40
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45235
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 18, 2025 10:40, sampling point TC0001 Coliform (TCR)
Absence , sample collected Sep 18, 2025 10:40, sampling point TC0001 E. Coli
Collected
Sep 18, 2025 10:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45233
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 18, 2025 10:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Sep 18, 2025 10:00, sampling point TC0002 E. Coli
Collected
Sep 18, 2025 10:20
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45234
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 18, 2025 10:20, sampling point TC0011 Coliform (TCR)
Absence , sample collected Sep 18, 2025 10:20, sampling point TC0011 E. Coli
Collected
Sep 18, 2025 11:00
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45236
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 18, 2025 11:00, sampling point TC0014 Coliform (TCR)
Absence , sample collected Sep 18, 2025 11:00, sampling point TC0014 E. Coli
Collected
Aug 18, 2025 10:30
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45228
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 18, 2025 10:30, sampling point TC0009 Coliform (TCR)
Absence , sample collected Aug 18, 2025 10:30, sampling point TC0009 E. Coli
Collected
Aug 14, 2025 11:40
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-230911-39330
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 14, 2025 11:40, sampling point TC0004 Coliform (TCR)
Absence , sample collected Aug 14, 2025 11:40, sampling point TC0004 E. Coli
Collected
Aug 14, 2025 11:00
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-230911-39328
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 14, 2025 11:00, sampling point TC0005 Coliform (TCR)
Absence , sample collected Aug 14, 2025 11:00, sampling point TC0005 E. Coli
Collected
Aug 14, 2025 12:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230911-39331
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 14, 2025 12:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Aug 14, 2025 12:00, sampling point TC0007 E. Coli
Collected
Aug 13, 2025 10:40
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-230911-39326
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 10:40, sampling point TC0001 Coliform (TCR)
Absence , sample collected Aug 13, 2025 10:40, sampling point TC0001 E. Coli
Collected
Aug 13, 2025 10:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-230911-39324
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 10:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Aug 13, 2025 10:00, sampling point TC0002 E. Coli
Collected
Aug 13, 2025 10:20
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-230911-39325
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 10:20, sampling point TC0011 Coliform (TCR)
Absence , sample collected Aug 13, 2025 10:20, sampling point TC0011 E. Coli
Collected
Aug 13, 2025 11:00
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-230911-39327
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 11:00, sampling point TC0014 Coliform (TCR)
Absence , sample collected Aug 13, 2025 11:00, sampling point TC0014 E. Coli
Collected
Jul 10, 2025 08:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-230911-39318
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 10, 2025 08:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 10, 2025 08:00, sampling point TC0001 E. Coli