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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 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 136–150 of 214 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Walls Water Assn- Lake Forest, 136 to 150 of 214 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jun 10, 2025 08:47
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22019
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 08:47, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jun 10, 2025 08:47, sampling point TC0015 E. Coli
Collected
Jun 10, 2025 09:20
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22018
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 09:20, sampling point TC0017 Coliform (TCR)
Absence , sample collected Jun 10, 2025 09:20, sampling point TC0017 E. Coli
Collected
Jun 10, 2025 09:51
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22017
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 09:51, sampling point TC0019 Coliform (TCR)
Absence , sample collected Jun 10, 2025 09:51, sampling point TC0019 E. Coli
Collected
Jun 10, 2025 08:00
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22016
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 08:00, sampling point TC0021 Coliform (TCR)
Absence , sample collected Jun 10, 2025 08:00, sampling point TC0021 E. Coli
Collected
Jun 10, 2025 10:04
Sampling point
TC0022 No Description
Sample type
Routine
Lab sample
BACT-220825-22015
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 10:04, sampling point TC0022 Coliform (TCR)
Absence , sample collected Jun 10, 2025 10:04, sampling point TC0022 E. Coli
Collected
Jun 10, 2025 10:31
Sampling point
TC0023 No Description
Sample type
Routine
Lab sample
BACT-220825-22074
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 10:31, sampling point TC0023 Coliform (TCR)
Absence , sample collected Jun 10, 2025 10:31, sampling point TC0023 E. Coli
Collected
Jun 10, 2025 10:59
Sampling point
TC0024 No Description
Sample type
Routine
Lab sample
BACT-220825-22073
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 10:59, sampling point TC0024 Coliform (TCR)
Absence , sample collected Jun 10, 2025 10:59, sampling point TC0024 E. Coli
Collected
May 5, 2025 13:21
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22072
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025 13:21, sampling point TC0005 Coliform (TCR)
Absence , sample collected May 5, 2025 13:21, sampling point TC0005 E. Coli
Collected
May 5, 2025 13:03
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22071
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025 13:03, sampling point TC0006 Coliform (TCR)
Absence , sample collected May 5, 2025 13:03, sampling point TC0006 E. Coli
Collected
May 5, 2025 08:40
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22070
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025 08:40, sampling point TC0015 Coliform (TCR)
Absence , sample collected May 5, 2025 08:40, sampling point TC0015 E. Coli
Collected
May 5, 2025 12:21
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22069
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025 12:21, sampling point TC0017 Coliform (TCR)
Absence , sample collected May 5, 2025 12:21, sampling point TC0017 E. Coli
Collected
May 5, 2025 09:01
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22068
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025 09:01, sampling point TC0019 Coliform (TCR)
Absence , sample collected May 5, 2025 09:01, sampling point TC0019 E. Coli
Collected
May 5, 2025 08:05
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22067
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025 08:05, sampling point TC0021 Coliform (TCR)
Absence , sample collected May 5, 2025 08:05, sampling point TC0021 E. Coli
Collected
May 5, 2025 11:55
Sampling point
TC0022 No Description
Sample type
Routine
Lab sample
BACT-220825-22066
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025 11:55, sampling point TC0022 Coliform (TCR)
Absence , sample collected May 5, 2025 11:55, sampling point TC0022 E. Coli
Collected
May 5, 2025 10:59
Sampling point
TC0023 No Description
Sample type
Routine
Lab sample
BACT-220825-22065
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025 10:59, sampling point TC0023 Coliform (TCR)
Absence , sample collected May 5, 2025 10:59, sampling point TC0023 E. Coli