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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

MS0500008 , City of Philadelphia

7 of 3,122 results on record were positive for coliform or another organism the agency tests for. The most recent was June 7, 2022.

They fall across 7 of the 2,413 samples on record.

Every sample on record, October 8, 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 27, 2024 and September 27, 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 181–184 of 184 samples in this date range, newest first.

Routine (4).

Coliform and microbial sample results for City of Philadelphia, 181 to 184 of 184 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 1, 2024 10:04
Sampling point
TC0005 Williamsville Tank
Sample type
Routine
Lab sample
BACT-240311-14821
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 1, 2024 10:04, sampling point TC0005 Coliform (TCR)
Absence , sample collected Oct 1, 2024 10:04, sampling point TC0005 E. Coli
Collected
Oct 1, 2024 10:26
Sampling point
TC0006 Fire Station 1
Sample type
Routine
Lab sample
BACT-240311-14722
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 1, 2024 10:26, sampling point TC0006 Coliform (TCR)
Absence , sample collected Oct 1, 2024 10:26, sampling point TC0006 E. Coli
Collected
Oct 1, 2024 09:24
Sampling point
TC0007 Fire Station 3
Sample type
Routine
Lab sample
BACT-240311-14819
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 1, 2024 09:24, sampling point TC0007 Coliform (TCR)
Absence , sample collected Oct 1, 2024 09:24, sampling point TC0007 E. Coli
Collected
Oct 1, 2024 10:56
Sampling point
TC0009 Philadelphia Church of God
Sample type
Routine
Lab sample
BACT-240311-14724
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 1, 2024 10:56, sampling point TC0009 Coliform (TCR)
Absence , sample collected Oct 1, 2024 10:56, sampling point TC0009 E. Coli