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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 61–75 of 184 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Richland, 61 to 75 of 184 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 13, 2026 09:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45267
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 09:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jan 13, 2026 09:00, sampling point TC0001 E. Coli
Collected
Jan 13, 2026 10:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45270
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 10:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jan 13, 2026 10:00, sampling point TC0002 E. Coli
Collected
Jan 13, 2026 09:20
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45268
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 09:20, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jan 13, 2026 09:20, sampling point TC0009 E. Coli
Collected
Jan 13, 2026 09:40
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45269
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 09:40, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jan 13, 2026 09:40, sampling point TC0011 E. Coli
Collected
Dec 11, 2025 09:20
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45264
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 11, 2025 09:20, sampling point TC0004 Coliform (TCR)
Absence , sample collected Dec 11, 2025 09:20, sampling point TC0004 E. Coli
Collected
Dec 11, 2025 10:00
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45266
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 11, 2025 10:00, sampling point TC0005 Coliform (TCR)
Absence , sample collected Dec 11, 2025 10:00, sampling point TC0005 E. Coli
Collected
Dec 11, 2025 09:40
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45265
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 11, 2025 09:40, sampling point TC0012 Coliform (TCR)
Absence , sample collected Dec 11, 2025 09:40, sampling point TC0012 E. Coli
Collected
Dec 11, 2025 09:00
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45263
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 11, 2025 09:00, sampling point TC0014 Coliform (TCR)
Absence , sample collected Dec 11, 2025 09:00, sampling point TC0014 E. Coli
Collected
Dec 10, 2025 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-241230-45260
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 10:20, sampling point DS000 Coliform (TCR)
Absence , sample collected Dec 10, 2025 10:20, sampling point DS000 E. Coli
Collected
Dec 10, 2025 11:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45262
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 11:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Dec 10, 2025 11:00, sampling point TC0001 E. Coli
Collected
Dec 10, 2025 10:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45259
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 10:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Dec 10, 2025 10:00, sampling point TC0002 E. Coli
Collected
Dec 10, 2025 10:40
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45261
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 10:40, sampling point TC0009 Coliform (TCR)
Absence , sample collected Dec 10, 2025 10:40, sampling point TC0009 E. Coli
Collected
Nov 12, 2025 10:20
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45256
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 12, 2025 10:20, sampling point TC0004 Coliform (TCR)
Absence , sample collected Nov 12, 2025 10:20, sampling point TC0004 E. Coli
Collected
Nov 12, 2025 11:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45258
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 12, 2025 11:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Nov 12, 2025 11:00, sampling point TC0007 E. Coli
Collected
Nov 12, 2025 10:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-241230-45255
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 12, 2025 10:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected Nov 12, 2025 10:00, sampling point TC0009 E. Coli