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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

MS0300011 , Chevron Usa

6 of 760 results on record were positive for coliform or another organism the agency tests for. The most recent was April 9, 2014.

They fall across 5 of the 582 samples on record.

Every sample on record, November 5, 2003 to July 27, 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 16–30 of 45 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Chevron Usa, 16 to 30 of 45 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 9, 2025 12:15
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33860
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 9, 2025 12:15, sampling point TC0006 Coliform (TCR)
Absence , sample collected Dec 9, 2025 12:15, sampling point TC0006 E. Coli
Collected
Dec 9, 2025 12:05
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33859
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 9, 2025 12:05, sampling point TC0007 Coliform (TCR)
Absence , sample collected Dec 9, 2025 12:05, sampling point TC0007 E. Coli
Collected
Nov 19, 2025 12:30
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33857
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 19, 2025 12:30, sampling point TC0007 Coliform (TCR)
Absence , sample collected Nov 19, 2025 12:30, sampling point TC0007 E. Coli
Collected
Nov 19, 2025 12:45
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33858
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 19, 2025 12:45, sampling point TC0009 Coliform (TCR)
Absence , sample collected Nov 19, 2025 12:45, sampling point TC0009 E. Coli
Collected
Oct 28, 2025 13:30
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33855
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 28, 2025 13:30, sampling point TC0007 Coliform (TCR)
Absence , sample collected Oct 28, 2025 13:30, sampling point TC0007 E. Coli
Collected
Oct 28, 2025 14:00
Sampling point
TC0024 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33856
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 28, 2025 14:00, sampling point TC0024 Coliform (TCR)
Absence , sample collected Oct 28, 2025 14:00, sampling point TC0024 E. Coli
Collected
Sep 24, 2025 12:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33852
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 24, 2025 12:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Sep 24, 2025 12:00, sampling point TC0007 E. Coli
Collected
Sep 24, 2025 12:20
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33854
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 24, 2025 12:20, sampling point TC0022 Coliform (TCR)
Absence , sample collected Sep 24, 2025 12:20, sampling point TC0022 E. Coli
Collected
Aug 13, 2025 13:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33850
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 13:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Aug 13, 2025 13:00, sampling point TC0007 E. Coli
Collected
Aug 13, 2025 12:30
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33851
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 12:30, sampling point TC0016 Coliform (TCR)
Absence , sample collected Aug 13, 2025 12:30, sampling point TC0016 E. Coli
Collected
Jul 23, 2025 13:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33848
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 23, 2025 13:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jul 23, 2025 13:00, sampling point TC0007 E. Coli
Collected
Jul 23, 2025 13:30
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33849
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 23, 2025 13:30, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jul 23, 2025 13:30, sampling point TC0011 E. Coli
Collected
Jun 30, 2025 16:00
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33847
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 30, 2025 16:00, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jun 30, 2025 16:00, sampling point TC0003 E. Coli
Collected
Jun 30, 2025 15:40
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33846
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 30, 2025 15:40, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jun 30, 2025 15:40, sampling point TC0007 E. Coli
Collected
May 21, 2025 13:30
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230908-33842
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 21, 2025 13:30, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 21, 2025 13:30, sampling point TC0007 E. Coli