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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 316–330 of 835 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Porterville W/A, 316 to 330 of 835 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Feb 3, 2014 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
670644
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2014 – Feb 28, 2014
Absence , sample collected Feb 3, 2014 10:30, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2014 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
670645
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2014 – Feb 28, 2014
Absence , sample collected Feb 3, 2014 11:00, sampling point DS000 Coliform (TCR)
Collected
Jan 21, 2014 11:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
668494
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2014 – Jan 31, 2014
Absence , sample collected Jan 21, 2014 11:30, sampling point DS000 Coliform (TCR)
Collected
Jan 21, 2014 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
668495
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2014 – Jan 31, 2014
Absence , sample collected Jan 21, 2014 10:45, sampling point DS000 Coliform (TCR)
Collected
Dec 2, 2013 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
656238
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 2, 2013 10:45, sampling point DS000 Coliform (TCR)
Collected
Dec 2, 2013 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
656239
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 2, 2013 11:15, sampling point DS000 Coliform (TCR)
Collected
Nov 5, 2013 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
651145
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2013 – Nov 30, 2013
Absence , sample collected Nov 5, 2013 10:45, sampling point DS000 Coliform (TCR)
Collected
Nov 5, 2013 11:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
651154
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2013 – Nov 30, 2013
Absence , sample collected Nov 5, 2013 11:18, sampling point DS000 Coliform (TCR)
Collected
Oct 9, 2013 10:56
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
645450
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 9, 2013 10:56, sampling point DS000 Coliform (TCR)
Collected
Oct 9, 2013 11:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
645469
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 9, 2013 11:25, sampling point DS000 Coliform (TCR)
Collected
Sep 3, 2013 10:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
634492
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 3, 2013 10:24, sampling point DS000 Coliform (TCR)
Collected
Sep 3, 2013 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
634495
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 3, 2013 10:00, sampling point DS000 Coliform (TCR)
Collected
Aug 6, 2013 13:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
628639
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2013 – Aug 31, 2013
Absence , sample collected Aug 6, 2013 13:15, sampling point DS000 Coliform (TCR)
Collected
Aug 6, 2013 12:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
628730
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2013 – Aug 31, 2013
Absence , sample collected Aug 6, 2013 12:27, sampling point DS000 Coliform (TCR)
Collected
Jul 1, 2013 09:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
619099
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2013 – Jul 31, 2013
Absence , sample collected Jul 1, 2013 09:15, sampling point DS000 Coliform (TCR)