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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 211–225 of 835 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Porterville W/A, 211 to 225 of 835 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 2, 2018 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1010580
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Presence , sample collected Jul 2, 2018 11:15, sampling point DS000 Coliform (TCR)
Absence , sample collected Jul 2, 2018 11:15, sampling point DS000 E. Coli
Collected
Jun 4, 2018 15:19
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1004226
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2018 – Jun 30, 2018
Absence , sample collected Jun 4, 2018 15:19, sampling point DS000 Coliform (TCR)
Collected
Jun 4, 2018 16:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1004227
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2018 – Jun 30, 2018
Absence , sample collected Jun 4, 2018 16:12, sampling point DS000 Coliform (TCR)
Collected
May 2, 2018 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
998395
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 2, 2018 10:15, sampling point DS000 Coliform (TCR)
Collected
May 2, 2018 09:37
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
998396
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 2, 2018 09:37, sampling point DS000 Coliform (TCR)
Collected
Apr 2, 2018 09:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
992171
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 2, 2018 09:17, sampling point DS000 Coliform (TCR)
Collected
Apr 2, 2018 09:59
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
992172
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 2, 2018 09:59, sampling point DS000 Coliform (TCR)
Collected
Mar 5, 2018 15:42
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
986928
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 5, 2018 15:42, sampling point DS000 Coliform (TCR)
Collected
Mar 5, 2018 16:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
986929
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 5, 2018 16:05, sampling point DS000 Coliform (TCR)
Collected
Feb 7, 2018 16:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
983414
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2018 – Feb 28, 2018
Absence , sample collected Feb 7, 2018 16:21, sampling point DS000 Coliform (TCR)
Collected
Feb 7, 2018 15:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
983415
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2018 – Feb 28, 2018
Absence , sample collected Feb 7, 2018 15:53, sampling point DS000 Coliform (TCR)
Collected
Jan 10, 2018 15:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
975185
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2018 – Jan 31, 2018
Absence , sample collected Jan 10, 2018 15:30, sampling point DS000 Coliform (TCR)
Collected
Jan 10, 2018 15:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
975229
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2018 – Jan 31, 2018
Absence , sample collected Jan 10, 2018 15:52, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2017 15:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
968367
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2017 – Dec 31, 2017
Absence , sample collected Dec 4, 2017 15:30, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2017 15:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
968374
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2017 – Dec 31, 2017
Absence , sample collected Dec 4, 2017 15:18, sampling point DS000 Coliform (TCR)