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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

MS0680002 , Charleston Utilities

6 of 1,167 results on record were positive for coliform or another organism the agency tests for. The most recent was August 25, 2025.

They fall across 6 of the 901 samples on record.

Every sample on record, October 13, 2003 to July 15, 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 25, 2024 and September 25, 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 67 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Charleston Utilities, 16 to 30 of 67 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Feb 25, 2026 15:03
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9659
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 25, 2026 15:03, sampling point TC0001 Coliform (TCR)
Absence , sample collected Feb 25, 2026 15:03, sampling point TC0001 E. Coli
Collected
Feb 25, 2026 15:17
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9660
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 25, 2026 15:17, sampling point TC0003 Coliform (TCR)
Absence , sample collected Feb 25, 2026 15:17, sampling point TC0003 E. Coli
Collected
Feb 25, 2026 15:40
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9661
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 25, 2026 15:40, sampling point TC0004 Coliform (TCR)
Absence , sample collected Feb 25, 2026 15:40, sampling point TC0004 E. Coli
Collected
Jan 27, 2026 15:02
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9656
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 27, 2026 15:02, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jan 27, 2026 15:02, sampling point TC0001 E. Coli
Collected
Jan 27, 2026 15:15
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9657
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 27, 2026 15:15, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jan 27, 2026 15:15, sampling point TC0002 E. Coli
Collected
Jan 27, 2026 15:33
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9658
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 27, 2026 15:33, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jan 27, 2026 15:33, sampling point TC0003 E. Coli
Collected
Dec 22, 2025 14:50
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9653
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 22, 2025 14:50, sampling point TC0002 Coliform (TCR)
Absence , sample collected Dec 22, 2025 14:50, sampling point TC0002 E. Coli
Collected
Dec 22, 2025 15:02
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9654
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 22, 2025 15:02, sampling point TC0003 Coliform (TCR)
Absence , sample collected Dec 22, 2025 15:02, sampling point TC0003 E. Coli
Collected
Dec 22, 2025 15:12
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9655
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 22, 2025 15:12, sampling point TC0004 Coliform (TCR)
Absence , sample collected Dec 22, 2025 15:12, sampling point TC0004 E. Coli
Collected
Nov 18, 2025 14:32
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9650
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 18, 2025 14:32, sampling point TC0002 Coliform (TCR)
Absence , sample collected Nov 18, 2025 14:32, sampling point TC0002 E. Coli
Collected
Nov 18, 2025 14:45
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9651
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 18, 2025 14:45, sampling point TC0003 Coliform (TCR)
Absence , sample collected Nov 18, 2025 14:45, sampling point TC0003 E. Coli
Collected
Nov 18, 2025 14:58
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9652
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 18, 2025 14:58, sampling point TC0004 Coliform (TCR)
Absence , sample collected Nov 18, 2025 14:58, sampling point TC0004 E. Coli
Collected
Oct 27, 2025 13:46
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9647
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 27, 2025 13:46, sampling point TC0001 Coliform (TCR)
Absence , sample collected Oct 27, 2025 13:46, sampling point TC0001 E. Coli
Collected
Oct 27, 2025 14:04
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9648
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 27, 2025 14:04, sampling point TC0003 Coliform (TCR)
Absence , sample collected Oct 27, 2025 14:04, sampling point TC0003 E. Coli
Collected
Oct 27, 2025 14:22
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250224-9649
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 27, 2025 14:22, sampling point TC0005 Coliform (TCR)
Absence , sample collected Oct 27, 2025 14:22, sampling point TC0005 E. Coli