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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 241–255 of 835 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Porterville W/A, 241 to 255 of 835 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 12, 2017 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
923874
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 12, 2017 08:40, sampling point DS000 Coliform (TCR)
Collected
Mar 1, 2017 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
914800
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2017 – Mar 31, 2017
Absence , sample collected Mar 1, 2017 10:15, sampling point DS000 Coliform (TCR)
Collected
Mar 1, 2017 09:11
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
914801
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2017 – Mar 31, 2017
Absence , sample collected Mar 1, 2017 09:11, sampling point DS000 Coliform (TCR)
Collected
Feb 8, 2017 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
910482
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2017 – Feb 28, 2017
Absence , sample collected Feb 8, 2017 10:15, sampling point DS000 Coliform (TCR)
Collected
Feb 8, 2017 09:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
910521
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2017 – Feb 28, 2017
Absence , sample collected Feb 8, 2017 09:05, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2017 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
903062
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2017 – Jan 31, 2017
Absence , sample collected Jan 4, 2017 11:00, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2017 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
903063
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2017 – Jan 31, 2017
Absence , sample collected Jan 4, 2017 10:00, sampling point DS000 Coliform (TCR)
Collected
Dec 7, 2016 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
898435
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 7, 2016 11:00, sampling point DS000 Coliform (TCR)
Collected
Dec 7, 2016 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
898436
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 7, 2016 10:15, sampling point DS000 Coliform (TCR)
Collected
Nov 2, 2016 13:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
891458
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 2, 2016 13:50, sampling point DS000 Coliform (TCR)
Collected
Nov 2, 2016 13:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
891459
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 2, 2016 13:24, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2016 09:49
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
886295
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2016 – Oct 31, 2016
Absence , sample collected Oct 5, 2016 09:49, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2016 08:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
886296
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2016 – Oct 31, 2016
Absence , sample collected Oct 5, 2016 08:55, sampling point DS000 Coliform (TCR)
Collected
Sep 14, 2016 08:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
881887
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2016 – Sep 30, 2016
Absence , sample collected Sep 14, 2016 08:45, sampling point DS000 Coliform (TCR)
Collected
Sep 14, 2016 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
881888
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2016 – Sep 30, 2016
Absence , sample collected Sep 14, 2016 09:00, sampling point DS000 Coliform (TCR)