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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 361–375 of 489 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Long Beach, 361 to 375 of 489 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 4, 2025
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
2503040-04
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 4, 2025, sampling point TC0011 Coliform (TCR)
Collected
Mar 4, 2025
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
2503040-05
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 4, 2025, sampling point TC0013 Coliform (TCR)
Collected
Mar 4, 2025
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
2503040-06
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 4, 2025, sampling point TC0018 Coliform (TCR)
Collected
Mar 4, 2025
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
2503040-07
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 4, 2025, sampling point TC0020 Coliform (TCR)
Collected
Mar 4, 2025
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
2503040-08
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 4, 2025, sampling point TC0021 Coliform (TCR)
Collected
Mar 4, 2025
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
2503040-09
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 4, 2025, sampling point TC0023 Coliform (TCR)
Collected
Mar 4, 2025
Sampling point
TC0025 Outside Faucet
Sample type
Routine
Lab sample
2503040-10
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 4, 2025, sampling point TC0025 Coliform (TCR)
Collected
Mar 3, 2025
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
2503010-01
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025, sampling point TC0002 Coliform (TCR)
Collected
Mar 3, 2025
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
2503010-02
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025, sampling point TC0004 Coliform (TCR)
Collected
Mar 3, 2025
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
2503010-03
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025, sampling point TC0006 Coliform (TCR)
Collected
Mar 3, 2025
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
2503010-04
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025, sampling point TC0007 Coliform (TCR)
Collected
Mar 3, 2025
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
2503010-05
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025, sampling point TC0009 Coliform (TCR)
Collected
Mar 3, 2025
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
2503010-06
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025, sampling point TC0010 Coliform (TCR)
Collected
Mar 3, 2025
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
2503010-07
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025, sampling point TC0012 Coliform (TCR)
Collected
Mar 3, 2025
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
2503010-08
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025, sampling point TC0014 Coliform (TCR)