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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. 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 1–15 of 1,762 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Sebastopol Water Association, 1 to 15 of 1,762 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 11, 2026 13:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12178
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 13:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected Aug 11, 2026 13:00, sampling point TC0009 E. Coli
Collected
Aug 11, 2026 13:15
Sampling point
TC0010 Distribution DS000
Sample type
Routine
Lab sample
BACT-250306-12177
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 13:15, sampling point TC0010 Coliform (TCR)
Absence , sample collected Aug 11, 2026 13:15, sampling point TC0010 E. Coli
Collected
Aug 10, 2026 13:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12176
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 13:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Aug 10, 2026 13:00, sampling point TC0001 E. Coli
Collected
Aug 10, 2026 13:15
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12175
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 13:15, sampling point TC0003 Coliform (TCR)
Absence , sample collected Aug 10, 2026 13:15, sampling point TC0003 E. Coli
Collected
Aug 10, 2026 13:30
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12174
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 13:30, sampling point TC0005 Coliform (TCR)
Absence , sample collected Aug 10, 2026 13:30, sampling point TC0005 E. Coli
Collected
Aug 10, 2026 13:45
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12173
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 13:45, sampling point TC0007 Coliform (TCR)
Absence , sample collected Aug 10, 2026 13:45, sampling point TC0007 E. Coli
Collected
Aug 10, 2026 14:00
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12172
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 14:00, sampling point TC0008 Coliform (TCR)
Absence , sample collected Aug 10, 2026 14:00, sampling point TC0008 E. Coli
Collected
Jul 7, 2026 13:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12158
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 7, 2026 13:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jul 7, 2026 13:00, sampling point TC0009 E. Coli
Collected
Jul 7, 2026 13:15
Sampling point
TC0010 Distribution DS000
Sample type
Routine
Lab sample
BACT-250306-12157
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 7, 2026 13:15, sampling point TC0010 Coliform (TCR)
Absence , sample collected Jul 7, 2026 13:15, sampling point TC0010 E. Coli
Collected
Jul 6, 2026 13:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12169
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 13:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 6, 2026 13:00, sampling point TC0001 E. Coli
Collected
Jul 6, 2026 13:15
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12168
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 13:15, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jul 6, 2026 13:15, sampling point TC0003 E. Coli
Collected
Jul 6, 2026 13:30
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12167
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 13:30, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jul 6, 2026 13:30, sampling point TC0005 E. Coli
Collected
Jul 6, 2026 13:45
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12160
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 13:45, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jul 6, 2026 13:45, sampling point TC0007 E. Coli
Collected
Jul 6, 2026 14:00
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12159
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 14:00, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jul 6, 2026 14:00, sampling point TC0008 E. Coli
Collected
Jun 9, 2026 13:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250306-12305
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 9, 2026 13:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jun 9, 2026 13:00, sampling point TC0009 E. Coli