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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 361–375 of 835 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Porterville W/A, 361 to 375 of 835 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 2, 2012 13:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
512075
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 2, 2012 13:20, sampling point DS000 Coliform (TCR)
Collected
Mar 5, 2012 11:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
505821
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 5, 2012 11:35, sampling point DS000 Coliform (TCR)
Collected
Mar 5, 2012 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
505836
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 5, 2012 10:30, sampling point DS000 Coliform (TCR)
Collected
Feb 6, 2012 11:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
499694
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 6, 2012 11:12, sampling point DS000 Coliform (TCR)
Collected
Feb 6, 2012 11:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
499695
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 6, 2012 11:55, sampling point DS000 Coliform (TCR)
Collected
Jan 9, 2012 12:56
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493174
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 9, 2012 12:56, sampling point DS000 Coliform (TCR)
Collected
Jan 9, 2012 12:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493185
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 9, 2012 12:15, sampling point DS000 Coliform (TCR)
Collected
Dec 5, 2011 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
485392
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 5, 2011 13:30, sampling point DS000 Coliform (TCR)
Collected
Dec 5, 2011 12:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
485435
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 5, 2011 12:53, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 13:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478121
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 13:55, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 13:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478579
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 13:02, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2011 12:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
470749
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2011 – Oct 31, 2011
Absence , sample collected Oct 3, 2011 12:58, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2011 12:31
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
470754
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2011 – Oct 31, 2011
Absence , sample collected Oct 3, 2011 12:31, sampling point DS000 Coliform (TCR)
Collected
Sep 6, 2011 14:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
464859
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2011 – Sep 30, 2011
Absence , sample collected Sep 6, 2011 14:18, sampling point DS000 Coliform (TCR)
Collected
Sep 6, 2011 14:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
464865
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2011 – Sep 30, 2011
Absence , sample collected Sep 6, 2011 14:50, sampling point DS000 Coliform (TCR)