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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 271–285 of 835 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Porterville W/A, 271 to 285 of 835 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 4, 2016 14:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
828151
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2016 – Jan 31, 2016
Absence , sample collected Jan 4, 2016 14:10, sampling point DS000 Coliform (TCR)
Collected
Dec 2, 2015 13:04
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
821403
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2015 – Dec 31, 2015
Absence , sample collected Dec 2, 2015 13:04, sampling point DS000 Coliform (TCR)
Collected
Dec 2, 2015 12:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
821404
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2015 – Dec 31, 2015
Absence , sample collected Dec 2, 2015 12:38, sampling point DS000 Coliform (TCR)
Collected
Nov 9, 2015 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
817459
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 9, 2015 10:30, sampling point DS000 Coliform (TCR)
Collected
Nov 9, 2015 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
817467
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 9, 2015 11:00, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2015 11:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
807777
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 5, 2015 11:58, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2015 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
807778
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 5, 2015 11:15, sampling point DS000 Coliform (TCR)
Collected
Sep 8, 2015 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
801669
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2015 – Sep 30, 2015
Absence , sample collected Sep 8, 2015 11:00, sampling point DS000 Coliform (TCR)
Collected
Sep 8, 2015 11:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
801670
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2015 – Sep 30, 2015
Absence , sample collected Sep 8, 2015 11:30, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2015 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
792650
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 3, 2015 09:30, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2015 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
792651
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 3, 2015 09:00, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2015 15:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
785654
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 6, 2015 15:15, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2015 14:37
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
785655
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 6, 2015 14:37, sampling point DS000 Coliform (TCR)
Collected
Jun 1, 2015 11:14
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
778261
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 1, 2015 11:14, sampling point DS000 Coliform (TCR)
Collected
Jun 1, 2015 11:57
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
778262
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 1, 2015 11:57, sampling point DS000 Coliform (TCR)