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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

MS0170043 , Walls Water Assn- Lake Forest

9 of 3,039 results on record were positive for coliform or another organism the agency tests for. The most recent was December 9, 2021.

They fall across 9 of the 2,231 samples on record.

Every sample on record, October 7, 2003 to August 12, 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 46–60 of 214 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Walls Water Assn- Lake Forest, 46 to 60 of 214 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 6, 2026 08:17
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59688
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 6, 2026 08:17, sampling point TC0015 Coliform (TCR)
Absence , sample collected Apr 6, 2026 08:17, sampling point TC0015 E. Coli
Collected
Apr 6, 2026 08:05
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59689
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 6, 2026 08:05, sampling point TC0021 Coliform (TCR)
Absence , sample collected Apr 6, 2026 08:05, sampling point TC0021 E. Coli
Collected
Mar 10, 2026 10:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-251117-59687
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 10, 2026 10:17, sampling point DS000 Coliform (TCR)
Absence , sample collected Mar 10, 2026 10:17, sampling point DS000 E. Coli
Collected
Mar 10, 2026 10:45
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59686
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 10, 2026 10:45, sampling point TC0002 Coliform (TCR)
Absence , sample collected Mar 10, 2026 10:45, sampling point TC0002 E. Coli
Collected
Mar 10, 2026 11:04
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59685
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 10, 2026 11:04, sampling point TC0008 Coliform (TCR)
Absence , sample collected Mar 10, 2026 11:04, sampling point TC0008 E. Coli
Collected
Mar 9, 2026 08:10
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59684
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 9, 2026 08:10, sampling point TC0005 Coliform (TCR)
Absence , sample collected Mar 9, 2026 08:10, sampling point TC0005 E. Coli
Collected
Mar 9, 2026 08:21
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59683
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 9, 2026 08:21, sampling point TC0006 Coliform (TCR)
Absence , sample collected Mar 9, 2026 08:21, sampling point TC0006 E. Coli
Collected
Mar 9, 2026 09:10
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59680
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 9, 2026 09:10, sampling point TC0011 Coliform (TCR)
Absence , sample collected Mar 9, 2026 09:10, sampling point TC0011 E. Coli
Collected
Mar 9, 2026 09:17
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59679
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 9, 2026 09:17, sampling point TC0012 Coliform (TCR)
Absence , sample collected Mar 9, 2026 09:17, sampling point TC0012 E. Coli
Collected
Mar 9, 2026 08:41
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59682
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 9, 2026 08:41, sampling point TC0015 Coliform (TCR)
Absence , sample collected Mar 9, 2026 08:41, sampling point TC0015 E. Coli
Collected
Mar 9, 2026 09:33
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59678
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 9, 2026 09:33, sampling point TC0019 Coliform (TCR)
Absence , sample collected Mar 9, 2026 09:33, sampling point TC0019 E. Coli
Collected
Mar 9, 2026 08:55
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59681
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 9, 2026 08:55, sampling point TC0021 Coliform (TCR)
Absence , sample collected Mar 9, 2026 08:55, sampling point TC0021 E. Coli
Collected
Feb 11, 2026 09:30
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59753
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 09:30, sampling point TC0008 Coliform (TCR)
Absence , sample collected Feb 11, 2026 09:30, sampling point TC0008 E. Coli
Collected
Feb 11, 2026 09:17
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59754
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 09:17, sampling point TC0010 Coliform (TCR)
Absence , sample collected Feb 11, 2026 09:17, sampling point TC0010 E. Coli
Collected
Feb 11, 2026 08:59
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-251117-59755
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 08:59, sampling point TC0011 Coliform (TCR)
Absence , sample collected Feb 11, 2026 08:59, sampling point TC0011 E. Coli