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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

MS0240263 , West Harrison High School

1 of 571 results on record was positive for coliform or another organism the agency tests for. The most recent was November 6, 2017.

They fall across 1 of the 396 samples on record.

Every sample on record, August 12, 2009 to August 5, 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 31–45 of 46 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for West Harrison High School, 31 to 45 of 46 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 5, 2025 14:31
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30226
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025 14:31, sampling point TC0005 Coliform (TCR)
Absence , sample collected May 5, 2025 14:31, sampling point TC0005 E. Coli
Collected
May 5, 2025 14:21
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30227
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025 14:21, sampling point TC0005 Coliform (TCR)
Absence , sample collected May 5, 2025 14:21, sampling point TC0005 E. Coli
Collected
Apr 9, 2025 11:30
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30224
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 9, 2025 11:30, sampling point TC0004 Coliform (TCR)
Absence , sample collected Apr 9, 2025 11:30, sampling point TC0004 E. Coli
Collected
Apr 9, 2025 23:45
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30225
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 9, 2025 23:45, sampling point TC0005 Coliform (TCR)
Absence , sample collected Apr 9, 2025 23:45, sampling point TC0005 E. Coli
Collected
Mar 19, 2025 10:00
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30222
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 19, 2025 10:00, sampling point TC0003 Coliform (TCR)
Absence , sample collected Mar 19, 2025 10:00, sampling point TC0003 E. Coli
Collected
Mar 19, 2025 10:20
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30223
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 19, 2025 10:20, sampling point TC0004 Coliform (TCR)
Absence , sample collected Mar 19, 2025 10:20, sampling point TC0004 E. Coli
Collected
Feb 24, 2025 12:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30220
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 24, 2025 12:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Feb 24, 2025 12:00, sampling point TC0002 E. Coli
Collected
Feb 24, 2025 12:20
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30221
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 24, 2025 12:20, sampling point TC0003 Coliform (TCR)
Absence , sample collected Feb 24, 2025 12:20, sampling point TC0003 E. Coli
Collected
Jan 13, 2025 11:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30218
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2025 – Jan 31, 2025
Absence , sample collected Jan 13, 2025 11:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jan 13, 2025 11:00, sampling point TC0001 E. Coli
Collected
Jan 13, 2025 11:17
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30219
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2025 – Jan 31, 2025
Absence , sample collected Jan 13, 2025 11:17, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jan 13, 2025 11:17, sampling point TC0002 E. Coli
Collected
Dec 2, 2024 13:30
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30217
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 2, 2024 13:30, sampling point TC0003 Coliform (TCR)
Absence , sample collected Dec 2, 2024 13:30, sampling point TC0003 E. Coli
Collected
Dec 2, 2024 13:45
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30216
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 2, 2024 13:45, sampling point TC0004 Coliform (TCR)
Absence , sample collected Dec 2, 2024 13:45, sampling point TC0004 E. Coli
Collected
Nov 20, 2024 11:45
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30214
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 20, 2024 11:45, sampling point TC0001 Coliform (TCR)
Absence , sample collected Nov 20, 2024 11:45, sampling point TC0001 E. Coli
Collected
Nov 20, 2024 12:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240808-30215
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 20, 2024 12:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Nov 20, 2024 12:00, sampling point TC0002 E. Coli
Collected
Oct 7, 2024 15:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-230807-28894
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 7, 2024 15:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Oct 7, 2024 15:00, sampling point TC0001 E. Coli