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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

MS0350006 , Porterville W/A

8 of 1,023 results on record were positive for coliform or another organism the agency tests for. The most recent was March 31, 2026.

They fall across 8 of the 835 samples on record.

Every sample on record, November 3, 2003 to July 8, 2026. No date range is applied.

This system’s violations

The most recent samples

No date range is applied: this list draws on every sample on record. Show the last two years only.

The list below shows 346–360 of 835 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Porterville W/A, 346 to 360 of 835 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 5, 2012 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
564793
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2012 – Nov 30, 2012
Absence , sample collected Nov 5, 2012 11:00, sampling point DS000 Coliform (TCR)
Collected
Nov 5, 2012 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
564797
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2012 – Nov 30, 2012
Absence , sample collected Nov 5, 2012 10:30, sampling point DS000 Coliform (TCR)
Collected
Oct 1, 2012 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
557101
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 1, 2012 11:15, sampling point DS000 Coliform (TCR)
Collected
Oct 1, 2012 11:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
557102
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 1, 2012 11:55, sampling point DS000 Coliform (TCR)
Collected
Sep 4, 2012 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
550359
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 4, 2012 10:00, sampling point DS000 Coliform (TCR)
Collected
Sep 4, 2012 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
550371
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 4, 2012 10:20, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2012 10:04
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
544345
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 1, 2012 10:04, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2012 10:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
544346
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 1, 2012 10:58, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2012 10:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
535194
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 9, 2012 10:02, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2012 09:26
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
535196
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 9, 2012 09:26, sampling point DS000 Coliform (TCR)
Collected
Jun 4, 2012 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
526686
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2012 – Jun 30, 2012
Absence , sample collected Jun 4, 2012 13:30, sampling point DS000 Coliform (TCR)
Collected
Jun 4, 2012 12:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
526950
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2012 – Jun 30, 2012
Absence , sample collected Jun 4, 2012 12:50, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 12:59
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519453
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 12:59, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519502
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 12:30, sampling point DS000 Coliform (TCR)
Collected
Apr 2, 2012 12:41
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
512039
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 2, 2012 12:41, sampling point DS000 Coliform (TCR)