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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 226–240 of 835 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Porterville W/A, 226 to 240 of 835 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 6, 2017 16:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
963687
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2017 – Nov 30, 2017
Absence , sample collected Nov 6, 2017 16:15, sampling point DS000 Coliform (TCR)
Collected
Nov 6, 2017 15:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
963690
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2017 – Nov 30, 2017
Absence , sample collected Nov 6, 2017 15:40, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2017 15:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
957734
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 2, 2017 15:50, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2017 16:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
957747
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 2, 2017 16:15, sampling point DS000 Coliform (TCR)
Collected
Sep 6, 2017 15:48
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
952054
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 6, 2017 15:48, sampling point DS000 Coliform (TCR)
Collected
Sep 6, 2017 16:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
952061
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 6, 2017 16:20, sampling point DS000 Coliform (TCR)
Collected
Aug 23, 2017 15:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
949753
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 23, 2017 15:40, sampling point DS000 Coliform (TCR)
Collected
Aug 16, 2017 15:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
949011
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 16, 2017 15:40, sampling point DS000 Coliform (TCR)
Collected
Jul 17, 2017 16:36
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
942281
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 17, 2017 16:36, sampling point DS000 Coliform (TCR)
Collected
Jul 17, 2017 15:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
942282
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 17, 2017 15:30, sampling point DS000 Coliform (TCR)
Collected
Jun 14, 2017 15:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
936244
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2017 – Jun 30, 2017
Absence , sample collected Jun 14, 2017 15:52, sampling point DS000 Coliform (TCR)
Collected
Jun 14, 2017 16:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
936298
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2017 – Jun 30, 2017
Absence , sample collected Jun 14, 2017 16:40, sampling point DS000 Coliform (TCR)
Collected
May 8, 2017 15:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
928467
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 8, 2017 15:50, sampling point DS000 Coliform (TCR)
Collected
May 8, 2017 15:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
928488
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 8, 2017 15:35, sampling point DS000 Coliform (TCR)
Collected
Apr 12, 2017 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
923855
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 12, 2017 09:30, sampling point DS000 Coliform (TCR)