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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

MS0540023 , Eureka Water Association

No positive results are on record for Eureka Water Association — none among 672 results across 498 samples.

The agency records 3 validated violations for this system on what this page reports: this system’s violations.

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 26, 2024 and September 26, 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 1–15 of 46 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Eureka Water Association, 1 to 15 of 46 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 5, 2026 12:15
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38190
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 5, 2026 12:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected Aug 5, 2026 12:15, sampling point TC0007 E. Coli
Collected
Aug 5, 2026 12:40
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38189
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 5, 2026 12:40, sampling point TC0008 Coliform (TCR)
Absence , sample collected Aug 5, 2026 12:40, sampling point TC0008 E. Coli
Collected
Jul 14, 2026 13:15
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38191
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 14, 2026 13:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jul 14, 2026 13:15, sampling point TC0007 E. Coli
Collected
Jul 14, 2026 12:30
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38192
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 14, 2026 12:30, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jul 14, 2026 12:30, sampling point TC0008 E. Coli
Collected
Jun 10, 2026 12:31
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38193
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 10, 2026 12:31, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jun 10, 2026 12:31, sampling point TC0007 E. Coli
Collected
Jun 10, 2026 12:15
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38194
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 10, 2026 12:15, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jun 10, 2026 12:15, sampling point TC0008 E. Coli
Collected
May 20, 2026 13:30
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38195
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 20, 2026 13:30, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 20, 2026 13:30, sampling point TC0007 E. Coli
Collected
May 20, 2026 13:00
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38196
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 20, 2026 13:00, sampling point TC0008 Coliform (TCR)
Absence , sample collected May 20, 2026 13:00, sampling point TC0008 E. Coli
Collected
Apr 13, 2026 12:35
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38197
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 12:35, sampling point TC0007 Coliform (TCR)
Absence , sample collected Apr 13, 2026 12:35, sampling point TC0007 E. Coli
Collected
Apr 13, 2026 12:20
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38178
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 12:20, sampling point TC0008 Coliform (TCR)
Absence , sample collected Apr 13, 2026 12:20, sampling point TC0008 E. Coli
Collected
Mar 10, 2026 12:31
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38180
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 10, 2026 12:31, sampling point TC0007 Coliform (TCR)
Absence , sample collected Mar 10, 2026 12:31, sampling point TC0007 E. Coli
Collected
Mar 10, 2026 12:42
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38179
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 10, 2026 12:42, sampling point TC0008 Coliform (TCR)
Absence , sample collected Mar 10, 2026 12:42, sampling point TC0008 E. Coli
Collected
Feb 17, 2026 12:35
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38181
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 17, 2026 12:35, sampling point TC0007 Coliform (TCR)
Absence , sample collected Feb 17, 2026 12:35, sampling point TC0007 E. Coli
Collected
Feb 17, 2026 12:13
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38182
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 17, 2026 12:13, sampling point TC0008 Coliform (TCR)
Absence , sample collected Feb 17, 2026 12:13, sampling point TC0008 E. Coli
Collected
Jan 20, 2026 12:35
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250730-38183
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 20, 2026 12:35, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jan 20, 2026 12:35, sampling point TC0007 E. Coli