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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 5,116 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 4,971 samples on record.

Every sample on record, October 7, 2003 to September 10, 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 631–645 of 4,971 samples on record, newest first.

Routine (7), TG (5) and Repeat (3). The agency publishes no name for the code TG, so none is shown — this page does not invent labels the agency has not published.

Coliform and microbial sample results for City of Long Beach, 631 to 645 of 4,971 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 5, 2024 09:00
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
2404169-06
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2024 – Apr 30, 2024
Absence , sample collected Apr 5, 2024 09:00, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2024 08:35
Sampling point
TC0011 Outside Faucet
Sample type
Repeat
Lab sample
2404169-02
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2024 – Apr 30, 2024
Absence , sample collected Apr 5, 2024 08:35, sampling point TC0011 Coliform (TCR)
Collected
Apr 5, 2024 08:55
Sampling point
TC0011 Outside Faucet
Sample type
Repeat
Lab sample
2404169-05
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2024 – Apr 30, 2024
Absence , sample collected Apr 5, 2024 08:55, sampling point TC0011 Coliform (TCR)
Collected
Apr 5, 2024 09:10
Sampling point
WL004 Well W004
Sample type
TG
Lab sample
2404169-07
Laboratory
Micro Methods Laboratory
Monitoring period
Not recorded
Absence , sample collected Apr 5, 2024 09:10, sampling point WL004 Coliform (TCR)
Collected
Apr 5, 2024 09:17
Sampling point
WL005 Well W005
Sample type
TG
Lab sample
2404169-08
Laboratory
Micro Methods Laboratory
Monitoring period
Not recorded
Absence , sample collected Apr 5, 2024 09:17, sampling point WL005 Coliform (TCR)
Collected
Apr 5, 2024 09:25
Sampling point
WL010 Well W010
Sample type
TG
Lab sample
2404169-09
Laboratory
Micro Methods Laboratory
Monitoring period
Not recorded
Absence , sample collected Apr 5, 2024 09:25, sampling point WL010 Coliform (TCR)
Collected
Apr 5, 2024 09:32
Sampling point
WL012 Well W012
Sample type
TG
Lab sample
2404169-10
Laboratory
Micro Methods Laboratory
Monitoring period
Not recorded
Absence , sample collected Apr 5, 2024 09:32, sampling point WL012 Coliform (TCR)
Collected
Apr 5, 2024 09:40
Sampling point
WL013 Well W013
Sample type
TG
Lab sample
2404169-11
Laboratory
Micro Methods Laboratory
Monitoring period
Not recorded
Absence , sample collected Apr 5, 2024 09:40, sampling point WL013 Coliform (TCR)
Collected
Apr 4, 2024 07:45
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
2404142-01
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2024 – Apr 30, 2024
Presence , sample collected Apr 4, 2024 07:45, sampling point TC0011 Coliform (TCR)
Absence , sample collected Apr 4, 2024 07:45, sampling point TC0011 E. Coli
Collected
Apr 4, 2024
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
2404142-02
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2024 – Apr 30, 2024
Absence , sample collected Apr 4, 2024, sampling point TC0012 Coliform (TCR)
Collected
Apr 4, 2024
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
2404142-03
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2024 – Apr 30, 2024
Absence , sample collected Apr 4, 2024, sampling point TC0013 Coliform (TCR)
Collected
Apr 4, 2024
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
2404142-04
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2024 – Apr 30, 2024
Absence , sample collected Apr 4, 2024, sampling point TC0014 Coliform (TCR)
Collected
Apr 4, 2024
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
2404142-05
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2024 – Apr 30, 2024
Absence , sample collected Apr 4, 2024, sampling point TC0015 Coliform (TCR)
Collected
Apr 4, 2024
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
2404142-06
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2024 – Apr 30, 2024
Absence , sample collected Apr 4, 2024, sampling point TC0016 Coliform (TCR)
Collected
Apr 4, 2024 08:45
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
2404142-07
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2024 – Apr 30, 2024
Presence , sample collected Apr 4, 2024 08:45, sampling point TC0017 Coliform (TCR)
Absence , sample collected Apr 4, 2024 08:45, sampling point TC0017 E. Coli