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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 811–825 of 4,971 samples on record, newest first.

Routine (12) and TG (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, 811 to 825 of 4,971 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 3, 2023 09:21
Sampling point
WL010 Well W010
Sample type
TG
Lab sample
2308095-13
Laboratory
Micro Methods Laboratory
Monitoring period
Not recorded
Absence , sample collected Aug 3, 2023 09:21, sampling point WL010 Coliform (TCR)
Collected
Aug 3, 2023 09:30
Sampling point
WL012 Well W012
Sample type
TG
Lab sample
2308095-14
Laboratory
Micro Methods Laboratory
Monitoring period
Not recorded
Absence , sample collected Aug 3, 2023 09:30, sampling point WL012 Coliform (TCR)
Collected
Aug 3, 2023 09:40
Sampling point
WL013 Well W013
Sample type
TG
Lab sample
2308095-15
Laboratory
Micro Methods Laboratory
Monitoring period
Not recorded
Absence , sample collected Aug 3, 2023 09:40, sampling point WL013 Coliform (TCR)
Collected
Aug 2, 2023
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
2308047-01
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Absence , sample collected Aug 2, 2023, sampling point TC0001 Coliform (TCR)
Collected
Aug 2, 2023
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
2308047-02
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Absence , sample collected Aug 2, 2023, sampling point TC0003 Coliform (TCR)
Collected
Aug 2, 2023
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
2308047-03
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Absence , sample collected Aug 2, 2023, sampling point TC0004 Coliform (TCR)
Collected
Aug 2, 2023
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
2308047-04
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Absence , sample collected Aug 2, 2023, sampling point TC0009 Coliform (TCR)
Collected
Aug 2, 2023
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
2308047-05
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Absence , sample collected Aug 2, 2023, sampling point TC0010 Coliform (TCR)
Collected
Aug 2, 2023
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
2308047-06
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Absence , sample collected Aug 2, 2023, sampling point TC0011 Coliform (TCR)
Collected
Aug 2, 2023
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
2308047-07
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Absence , sample collected Aug 2, 2023, sampling point TC0015 Coliform (TCR)
Collected
Aug 2, 2023
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
2308047-08
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Absence , sample collected Aug 2, 2023, sampling point TC0017 Coliform (TCR)
Collected
Aug 2, 2023
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
2308047-09
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Absence , sample collected Aug 2, 2023, sampling point TC0021 Coliform (TCR)
Collected
Aug 2, 2023
Sampling point
TC0025 Outside Faucet
Sample type
Routine
Lab sample
2308047-10
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Absence , sample collected Aug 2, 2023, sampling point TC0025 Coliform (TCR)
Collected
Aug 1, 2023
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
2308010-01
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Presence , sample collected Aug 1, 2023, sampling point TC0002 Coliform (TCR)
Absence , sample collected Aug 1, 2023, sampling point TC0002 E. Coli
Collected
Aug 1, 2023
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
2308010-02
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2023 – Aug 31, 2023
Absence , sample collected Aug 1, 2023, sampling point TC0005 Coliform (TCR)