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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.
The most recent samples
Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.
Choose a date range
The list below shows 46–60 of 184 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Mar 2, 2026 10:10, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 10:10, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 09:25, sampling point TC0009 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 09:25, sampling point TC0009 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 09:00, sampling point TC0019 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 09:00, sampling point TC0019 | E. Coli |
|
|
| Absence , sample collected Feb 3, 2026 13:15, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Feb 3, 2026 13:15, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Feb 2, 2026 11:48, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 11:48, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Feb 2, 2026 11:11, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 11:11, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Feb 2, 2026 10:23, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 10:23, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Feb 2, 2026 10:05, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 10:05, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Feb 2, 2026 10:46, sampling point TC0014 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 10:46, sampling point TC0014 | E. Coli |
|
|
| Absence , sample collected Feb 2, 2026 11:30, sampling point TC0017 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 11:30, sampling point TC0017 | E. Coli |
|
|
| Absence , sample collected Feb 2, 2026 09:37, sampling point TC0018 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 09:37, sampling point TC0018 | E. Coli |
|
|
| Absence , sample collected Jan 7, 2026 12:10, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jan 7, 2026 12:10, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Jan 7, 2026 10:41, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jan 7, 2026 10:41, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Jan 7, 2026 10:25, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Jan 7, 2026 10:25, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Jan 7, 2026 11:05, sampling point TC0014 | Coliform (TCR) |
| Absence , sample collected Jan 7, 2026 11:05, sampling point TC0014 | E. Coli |
-
- Collected
- Mar 2, 2026 10:10
- Sampling point
- TC0006 Fire Station 1
- Sample type
- Routine
- Lab sample
- BACT-250707-35358
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 09:25
- Sampling point
- TC0009 Philadelphia Church of God
- Sample type
- Routine
- Lab sample
- BACT-230322-10274
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 09:00
- Sampling point
- TC0019 Grace Baptist Church
- Sample type
- Routine
- Lab sample
- BACT-230322-10273
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 3, 2026 13:15
- Sampling point
- TC0001 Pu Water Plant
- Sample type
- Routine
- Lab sample
- BACT-230322-10271
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 2, 2026 11:48
- Sampling point
- TC0005 Williamsville Tank
- Sample type
- Routine
- Lab sample
- BACT-230322-10270
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 2, 2026 11:11
- Sampling point
- TC0007 Fire Station 3
- Sample type
- Routine
- Lab sample
- BACT-230322-10268
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 2, 2026 10:23
- Sampling point
- TC0008 Philadelphia Elementary
- Sample type
- Routine
- Lab sample
- BACT-230322-10266
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 2, 2026 10:05
- Sampling point
- TC0010 Sample Faucet Near Fire Hydrant
- Sample type
- Routine
- Lab sample
- BACT-230322-10265
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 2, 2026 10:46
- Sampling point
- TC0014 Industrial Park Tank
- Sample type
- Routine
- Lab sample
- BACT-230322-10267
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 2, 2026 11:30
- Sampling point
- TC0017 New Pleasantdale Baptist Church
- Sample type
- Routine
- Lab sample
- BACT-230322-10269
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 2, 2026 09:37
- Sampling point
- TC0018 Trinity Baptist Church
- Sample type
- Routine
- Lab sample
- BACT-230322-10264
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 7, 2026 12:10
- Sampling point
- TC0002 Pu Electric Department
- Sample type
- Routine
- Lab sample
- BACT-230322-10263
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 7, 2026 10:41
- Sampling point
- TC0003 Pu Utility Office
- Sample type
- Routine
- Lab sample
- BACT-230322-10258
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 7, 2026 10:25
- Sampling point
- TC0010 Sample Faucet Near Fire Hydrant
- Sample type
- Routine
- Lab sample
- BACT-230322-10257
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 7, 2026 11:05
- Sampling point
- TC0014 Industrial Park Tank
- Sample type
- Routine
- Lab sample
- BACT-230322-10260
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli