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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 391–405 of 835 samples on record, newest first.

Routine (12) and Repeat (3).

Coliform and microbial sample results for Porterville W/A, 391 to 405 of 835 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 4, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
409192
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2011 – Jan 31, 2011
Absence , sample collected Jan 4, 2011, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
403112
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2010 – Dec 31, 2010
Absence , sample collected Dec 6, 2010, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
403117
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2010 – Dec 31, 2010
Absence , sample collected Dec 6, 2010, sampling point DS000 Coliform (TCR)
Collected
Nov 8, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
397009
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2010 – Nov 30, 2010
Absence , sample collected Nov 8, 2010, sampling point DS000 Coliform (TCR)
Collected
Nov 8, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
397010
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2010 – Nov 30, 2010
Absence , sample collected Nov 8, 2010, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
388164
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2010 – Oct 31, 2010
Absence , sample collected Oct 4, 2010, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
388165
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2010 – Oct 31, 2010
Absence , sample collected Oct 4, 2010, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
388167
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2010 – Oct 31, 2010
Absence , sample collected Oct 4, 2010, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
388193
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2010 – Oct 31, 2010
Absence , sample collected Oct 4, 2010, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
388194
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2010 – Oct 31, 2010
Absence , sample collected Oct 4, 2010, sampling point DS000 Coliform (TCR)
Collected
Sep 10, 2010
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
383216
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2010 – Sep 30, 2010
Absence , sample collected Sep 10, 2010, sampling point DS000 Coliform (TCR)
Collected
Sep 10, 2010
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
383222
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2010 – Sep 30, 2010
Absence , sample collected Sep 10, 2010, sampling point DS000 Coliform (TCR)
Collected
Sep 10, 2010
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
383223
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2010 – Sep 30, 2010
Absence , sample collected Sep 10, 2010, sampling point DS000 Coliform (TCR)
Collected
Sep 7, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
381732
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2010 – Sep 30, 2010
Presence , sample collected Sep 7, 2010, sampling point DS000 Coliform (TCR)
Absence , sample collected Sep 7, 2010, sampling point DS000 E. Coli
Collected
Sep 7, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
381735
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2010 – Sep 30, 2010
Absence , sample collected Sep 7, 2010, sampling point DS000 Coliform (TCR)