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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

MS0240154 , Harrison Central High School

2 of 747 results on record were positive for coliform or another organism the agency tests for. The most recent was August 14, 2024.

They fall across 2 of the 567 samples on record.

Every sample on record, October 14, 2003 to August 10, 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 1–15 of 48 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Harrison Central High School, 1 to 15 of 48 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 10, 2026 13:38
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5147
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 13:38, sampling point TC0001 Coliform (TCR)
Absence , sample collected Aug 10, 2026 13:38, sampling point TC0001 E. Coli
Collected
Aug 10, 2026 13:25
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5137
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 13:25, sampling point TC0004 Coliform (TCR)
Absence , sample collected Aug 10, 2026 13:25, sampling point TC0004 E. Coli
Collected
Jul 8, 2026 11:32
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5139
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 8, 2026 11:32, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 8, 2026 11:32, sampling point TC0001 E. Coli
Collected
Jul 8, 2026 11:55
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5138
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 8, 2026 11:55, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jul 8, 2026 11:55, sampling point TC0005 E. Coli
Collected
Jun 3, 2026 11:35
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5141
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 11:35, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jun 3, 2026 11:35, sampling point TC0001 E. Coli
Collected
Jun 3, 2026 11:47
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5140
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 11:47, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jun 3, 2026 11:47, sampling point TC0004 E. Coli
Collected
May 13, 2026 11:05
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5143
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 13, 2026 11:05, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 13, 2026 11:05, sampling point TC0001 E. Coli
Collected
May 13, 2026 11:22
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5142
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 13, 2026 11:22, sampling point TC0004 Coliform (TCR)
Absence , sample collected May 13, 2026 11:22, sampling point TC0004 E. Coli
Collected
Apr 13, 2026 11:27
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5145
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 11:27, sampling point TC0001 Coliform (TCR)
Absence , sample collected Apr 13, 2026 11:27, sampling point TC0001 E. Coli
Collected
Apr 13, 2026 11:43
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5144
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 11:43, sampling point TC0004 Coliform (TCR)
Absence , sample collected Apr 13, 2026 11:43, sampling point TC0004 E. Coli
Collected
Mar 4, 2026 10:12
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5136
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 4, 2026 10:12, sampling point TC0001 Coliform (TCR)
Absence , sample collected Mar 4, 2026 10:12, sampling point TC0001 E. Coli
Collected
Mar 4, 2026 10:27
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5146
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 4, 2026 10:27, sampling point TC0004 Coliform (TCR)
Absence , sample collected Mar 4, 2026 10:27, sampling point TC0004 E. Coli
Collected
Feb 4, 2026 12:02
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5134
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 4, 2026 12:02, sampling point TC0001 Coliform (TCR)
Absence , sample collected Feb 4, 2026 12:02, sampling point TC0001 E. Coli
Collected
Feb 4, 2026 12:15
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5135
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 4, 2026 12:15, sampling point TC0004 Coliform (TCR)
Absence , sample collected Feb 4, 2026 12:15, sampling point TC0004 E. Coli
Collected
Jan 7, 2026 13:34
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-5132
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 7, 2026 13:34, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jan 7, 2026 13:34, sampling point TC0001 E. Coli