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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

MS0620010 , Sebastopol Water Association

8 of 2,407 results on record were positive for coliform or another organism the agency tests for. The most recent was August 13, 2019.

They fall across 8 of the 1,762 samples on record.

Every sample on record, October 9, 2003 to August 11, 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 106–120 of 161 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Sebastopol Water Association, 106 to 120 of 161 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 7, 2025 13:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12218
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 7, 2025 13:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected May 7, 2025 13:00, sampling point TC0009 E. Coli
Collected
May 7, 2025 13:15
Sampling point
TC0010 Distribution DS000
Sample type
Routine
Lab sample
BACT-250306-12217
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 7, 2025 13:15, sampling point TC0010 Coliform (TCR)
Absence , sample collected May 7, 2025 13:15, sampling point TC0010 E. Coli
Collected
May 6, 2025 13:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12216
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 6, 2025 13:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 6, 2025 13:00, sampling point TC0001 E. Coli
Collected
May 6, 2025 13:15
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12215
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 6, 2025 13:15, sampling point TC0003 Coliform (TCR)
Absence , sample collected May 6, 2025 13:15, sampling point TC0003 E. Coli
Collected
May 6, 2025 13:30
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12214
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 6, 2025 13:30, sampling point TC0005 Coliform (TCR)
Absence , sample collected May 6, 2025 13:30, sampling point TC0005 E. Coli
Collected
May 6, 2025 13:45
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12220
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 6, 2025 13:45, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 6, 2025 13:45, sampling point TC0007 E. Coli
Collected
May 6, 2025 14:00
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12219
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 6, 2025 14:00, sampling point TC0008 Coliform (TCR)
Absence , sample collected May 6, 2025 14:00, sampling point TC0008 E. Coli
Collected
Apr 8, 2025 13:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12208
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 8, 2025 13:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected Apr 8, 2025 13:00, sampling point TC0009 E. Coli
Collected
Apr 8, 2025 13:15
Sampling point
TC0010 Distribution DS000
Sample type
Routine
Lab sample
BACT-250306-12207
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 8, 2025 13:15, sampling point TC0010 Coliform (TCR)
Absence , sample collected Apr 8, 2025 13:15, sampling point TC0010 E. Coli
Collected
Apr 7, 2025 13:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12213
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 7, 2025 13:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Apr 7, 2025 13:00, sampling point TC0001 E. Coli
Collected
Apr 7, 2025 13:15
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12212
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 7, 2025 13:15, sampling point TC0003 Coliform (TCR)
Absence , sample collected Apr 7, 2025 13:15, sampling point TC0003 E. Coli
Collected
Apr 7, 2025 13:30
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12211
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 7, 2025 13:30, sampling point TC0005 Coliform (TCR)
Absence , sample collected Apr 7, 2025 13:30, sampling point TC0005 E. Coli
Collected
Apr 7, 2025 13:45
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12210
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 7, 2025 13:45, sampling point TC0007 Coliform (TCR)
Absence , sample collected Apr 7, 2025 13:45, sampling point TC0007 E. Coli
Collected
Apr 7, 2025 14:00
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12209
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 7, 2025 14:00, sampling point TC0008 Coliform (TCR)
Absence , sample collected Apr 7, 2025 14:00, sampling point TC0008 E. Coli
Collected
Mar 4, 2025 13:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-240122-6802
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 4, 2025 13:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected Mar 4, 2025 13:00, sampling point TC0009 E. Coli