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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

MS0240005 , City of Long Beach

26 of 5,076 results on record were positive for coliform or another organism the agency tests for. The most recent was August 7, 2025.

They fall across 26 of the 4,951 samples on record.

Every sample on record, October 7, 2003 to August 5, 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 31–45 of 4,951 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Long Beach, 31 to 45 of 4,951 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 15, 2026 11:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
2607280-01
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026 11:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 15, 2026 11:00, sampling point TC0001 E. Coli
Collected
Jul 15, 2026 11:08
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
2607280-02
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026 11:08, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jul 15, 2026 11:08, sampling point TC0003 E. Coli
Collected
Jul 15, 2026 11:18
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
2607280-03
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026 11:18, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jul 15, 2026 11:18, sampling point TC0004 E. Coli
Collected
Jul 15, 2026 11:26
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
2607280-04
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026 11:26, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jul 15, 2026 11:26, sampling point TC0005 E. Coli
Collected
Jul 15, 2026 11:35
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
2607280-05
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026 11:35, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jul 15, 2026 11:35, sampling point TC0007 E. Coli
Collected
Jul 15, 2026 11:44
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
2607280-06
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026 11:44, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jul 15, 2026 11:44, sampling point TC0009 E. Coli
Collected
Jul 15, 2026 11:54
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
2607280-07
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026 11:54, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jul 15, 2026 11:54, sampling point TC0011 E. Coli
Collected
Jul 15, 2026 12:03
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
2607280-08
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026 12:03, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jul 15, 2026 12:03, sampling point TC0012 E. Coli
Collected
Jul 15, 2026 12:10
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
2607280-09
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026 12:10, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jul 15, 2026 12:10, sampling point TC0015 E. Coli
Collected
Jul 15, 2026 12:17
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
2607280-10
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026 12:17, sampling point TC0017 Coliform (TCR)
Absence , sample collected Jul 15, 2026 12:17, sampling point TC0017 E. Coli
Collected
Jun 11, 2026 07:10
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
2606230-01
Laboratory
Micro Methods Laboratory
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 11, 2026 07:10, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jun 11, 2026 07:10, sampling point TC0001 E. Coli
Collected
Jun 11, 2026 07:18
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
2606230-02
Laboratory
Micro Methods Laboratory
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 11, 2026 07:18, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jun 11, 2026 07:18, sampling point TC0005 E. Coli
Collected
Jun 11, 2026 07:25
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
2606230-03
Laboratory
Micro Methods Laboratory
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 11, 2026 07:25, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jun 11, 2026 07:25, sampling point TC0009 E. Coli
Collected
Jun 11, 2026 07:33
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
2606230-04
Laboratory
Micro Methods Laboratory
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 11, 2026 07:33, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jun 11, 2026 07:33, sampling point TC0012 E. Coli
Collected
Jun 11, 2026 07:41
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
2606230-05
Laboratory
Micro Methods Laboratory
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 11, 2026 07:41, sampling point TC0016 Coliform (TCR)
Absence , sample collected Jun 11, 2026 07:41, sampling point TC0016 E. Coli