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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 301–315 of 835 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Porterville W/A, 301 to 315 of 835 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 1, 2014 11:03
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
725252
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2014 – Oct 31, 2014
Absence , sample collected Oct 1, 2014 11:03, sampling point DS000 Coliform (TCR)
Collected
Sep 2, 2014 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
718156
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2014 – Sep 30, 2014
Absence , sample collected Sep 2, 2014 11:00, sampling point DS000 Coliform (TCR)
Collected
Sep 2, 2014 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
718157
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2014 – Sep 30, 2014
Absence , sample collected Sep 2, 2014 10:20, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2014 14:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
710894
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2014 – Aug 31, 2014
Absence , sample collected Aug 4, 2014 14:15, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2014 13:42
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
710895
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2014 – Aug 31, 2014
Absence , sample collected Aug 4, 2014 13:42, sampling point DS000 Coliform (TCR)
Collected
Jul 7, 2014 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
703963
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2014 – Jul 31, 2014
Absence , sample collected Jul 7, 2014 12:30, sampling point DS000 Coliform (TCR)
Collected
Jul 7, 2014 13:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
703964
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2014 – Jul 31, 2014
Absence , sample collected Jul 7, 2014 13:15, sampling point DS000 Coliform (TCR)
Collected
Jun 2, 2014 10:29
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
696550
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2014 – Jun 30, 2014
Absence , sample collected Jun 2, 2014 10:29, sampling point DS000 Coliform (TCR)
Collected
Jun 2, 2014 11:09
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
696567
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2014 – Jun 30, 2014
Absence , sample collected Jun 2, 2014 11:09, sampling point DS000 Coliform (TCR)
Collected
May 5, 2014 13:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
690161
Laboratory
MSDH Lab
Monitoring period
May 1, 2014 – May 31, 2014
Absence , sample collected May 5, 2014 13:02, sampling point DS000 Coliform (TCR)
Collected
May 5, 2014 13:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
690162
Laboratory
MSDH Lab
Monitoring period
May 1, 2014 – May 31, 2014
Absence , sample collected May 5, 2014 13:27, sampling point DS000 Coliform (TCR)
Collected
Apr 1, 2014 14:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
683508
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2014 – Apr 30, 2014
Absence , sample collected Apr 1, 2014 14:17, sampling point DS000 Coliform (TCR)
Collected
Apr 1, 2014 13:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
683509
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2014 – Apr 30, 2014
Absence , sample collected Apr 1, 2014 13:40, sampling point DS000 Coliform (TCR)
Collected
Mar 3, 2014 12:47
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
676504
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2014 – Mar 31, 2014
Absence , sample collected Mar 3, 2014 12:47, sampling point DS000 Coliform (TCR)
Collected
Mar 3, 2014 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
676542
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2014 – Mar 31, 2014
Absence , sample collected Mar 3, 2014 13:30, sampling point DS000 Coliform (TCR)