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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

MS0470091 , H W Byers High School

No positive results are on record for H W Byers High School — none among 321 results across 235 samples.

The agency records 13 validated violations for this system on what this page reports: this system’s violations.

Every sample on record, October 6, 2003 to August 11, 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 1–15 of 23 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for H W Byers High School, 1 to 15 of 23 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 11, 2026 11:15
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36131
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 11:15, sampling point TC0001 Coliform (TCR)
Absence , sample collected Aug 11, 2026 11:15, sampling point TC0001 E. Coli
Collected
Jul 14, 2026 11:15
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36130
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 14, 2026 11:15, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 14, 2026 11:15, sampling point TC0001 E. Coli
Collected
Jun 10, 2026 11:50
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36129
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 10, 2026 11:50, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jun 10, 2026 11:50, sampling point TC0001 E. Coli
Collected
May 6, 2026 11:55
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36128
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 6, 2026 11:55, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 6, 2026 11:55, sampling point TC0001 E. Coli
Collected
Apr 1, 2026 11:45
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36127
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 1, 2026 11:45, sampling point TC0001 Coliform (TCR)
Absence , sample collected Apr 1, 2026 11:45, sampling point TC0001 E. Coli
Collected
Mar 3, 2026 11:45
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36126
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 3, 2026 11:45, sampling point TC0001 Coliform (TCR)
Absence , sample collected Mar 3, 2026 11:45, sampling point TC0001 E. Coli
Collected
Feb 11, 2026 11:15
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36125
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 11:15, sampling point TC0001 Coliform (TCR)
Absence , sample collected Feb 11, 2026 11:15, sampling point TC0001 E. Coli
Collected
Jan 13, 2026 11:55
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36124
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 11:55, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jan 13, 2026 11:55, sampling point TC0001 E. Coli
Collected
Dec 2, 2025 11:35
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36123
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 11:35, sampling point TC0001 Coliform (TCR)
Absence , sample collected Dec 2, 2025 11:35, sampling point TC0001 E. Coli
Collected
Nov 12, 2025 11:30
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36122
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 12, 2025 11:30, sampling point TC0001 Coliform (TCR)
Absence , sample collected Nov 12, 2025 11:30, sampling point TC0001 E. Coli
Collected
Oct 7, 2025 11:45
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36121
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 7, 2025 11:45, sampling point TC0001 Coliform (TCR)
Absence , sample collected Oct 7, 2025 11:45, sampling point TC0001 E. Coli
Collected
Sep 3, 2025 11:50
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36120
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 3, 2025 11:50, sampling point TC0001 Coliform (TCR)
Absence , sample collected Sep 3, 2025 11:50, sampling point TC0001 E. Coli
Collected
Aug 5, 2025 13:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36119
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 5, 2025 13:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Aug 5, 2025 13:00, sampling point TC0001 E. Coli
Collected
Jul 22, 2025 11:35
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250708-36118
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 22, 2025 11:35, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 22, 2025 11:35, sampling point TC0001 E. Coli
Collected
Jun 4, 2025 11:40
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-40016
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 4, 2025 11:40, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jun 4, 2025 11:40, sampling point TC0001 E. Coli