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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 376–390 of 835 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Porterville W/A, 376 to 390 of 835 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 17, 2011 09:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
461430
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 17, 2011 09:35, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2011 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
456950
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 1, 2011 11:15, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2011 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450321
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 5, 2011 10:00, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2011 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450341
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 5, 2011 10:40, sampling point DS000 Coliform (TCR)
Collected
Jun 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
444440
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Jun 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
444451
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 6, 2011, sampling point DS000 Coliform (TCR)
Collected
May 2, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
435583
Laboratory
MSDH Lab
Monitoring period
May 1, 2011 – May 31, 2011
Absence , sample collected May 2, 2011, sampling point DS000 Coliform (TCR)
Collected
May 2, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
435652
Laboratory
MSDH Lab
Monitoring period
May 1, 2011 – May 31, 2011
Absence , sample collected May 2, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
428656
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 4, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
429314
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 4, 2011, sampling point DS000 Coliform (TCR)
Collected
Mar 2, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
422224
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2011 – Mar 31, 2011
Absence , sample collected Mar 2, 2011, sampling point DS000 Coliform (TCR)
Collected
Mar 2, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
422225
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2011 – Mar 31, 2011
Absence , sample collected Mar 2, 2011, sampling point DS000 Coliform (TCR)
Collected
Feb 1, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
414837
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2011 – Feb 28, 2011
Absence , sample collected Feb 1, 2011, sampling point DS000 Coliform (TCR)
Collected
Feb 1, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
414867
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2011 – Feb 28, 2011
Absence , sample collected Feb 1, 2011, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
409182
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2011 – Jan 31, 2011
Absence , sample collected Jan 4, 2011, sampling point DS000 Coliform (TCR)