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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. These figures cover the whole record; the list of samples further down is narrowed.

This system’s violations

The most recent samples

Showing samples collected between September 28, 2024 and September 28, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

Choose a date range

The list below shows 421–435 of 489 samples in this date range, newest first.

Routine (10), Repeat (3) and TG (2). 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, 421 to 435 of 489 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 4, 2024
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
2412089-06
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
2412088-01
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0007 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
2412088-02
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0010 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0014 Outside Faucet
Sample type
Repeat
Lab sample
2412089-01
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0014 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0014 Outside Faucet
Sample type
Repeat
Lab sample
2412089-04
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0014 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
2412088-03
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0016 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
2412088-04
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0017 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
2412088-05
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0019 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
2412088-06
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0020 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
2412088-07
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0022 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
2412088-08
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0023 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0024 Outside Faucet
Sample type
Routine
Lab sample
2412088-09
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0024 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
TC0025 Outside Faucet
Sample type
Routine
Lab sample
2412088-10
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024, sampling point TC0025 Coliform (TCR)
Collected
Dec 4, 2024
Sampling point
WL004 Well W004
Sample type
TG
Lab sample
2412089-07
Laboratory
Micro Methods Laboratory
Monitoring period
Not recorded
Presence , sample collected Dec 4, 2024, sampling point WL004 Coliform (TCR)
Absence , sample collected Dec 4, 2024, sampling point WL004 E. Coli
Collected
Dec 4, 2024
Sampling point
WL005 Well W005
Sample type
TG
Lab sample
2412089-08
Laboratory
Micro Methods Laboratory
Monitoring period
Not recorded
Absence , sample collected Dec 4, 2024, sampling point WL005 Coliform (TCR)