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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 121–135 of 214 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Walls Water Assn- Lake Forest, 121 to 135 of 214 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 13, 2025 08:10
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-250714-36306
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 08:10, sampling point TC0021 Coliform (TCR)
Absence , sample collected Aug 13, 2025 08:10, sampling point TC0021 E. Coli
Collected
Aug 13, 2025 08:15
Sampling point
TC0022 No Description
Sample type
Routine
Lab sample
BACT-250714-36305
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 08:15, sampling point TC0022 Coliform (TCR)
Absence , sample collected Aug 13, 2025 08:15, sampling point TC0022 E. Coli
Collected
Aug 13, 2025 09:17
Sampling point
TC0023 No Description
Sample type
Routine
Lab sample
BACT-250714-36304
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 09:17, sampling point TC0023 Coliform (TCR)
Absence , sample collected Aug 13, 2025 09:17, sampling point TC0023 E. Coli
Collected
Aug 13, 2025 08:59
Sampling point
TC0024 No Description
Sample type
Routine
Lab sample
BACT-250714-36303
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 08:59, sampling point TC0024 Coliform (TCR)
Absence , sample collected Aug 13, 2025 08:59, sampling point TC0024 E. Coli
Collected
Jul 16, 2025 08:44
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250717-36399
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 08:44, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 16, 2025 08:44, sampling point TC0001 E. Coli
Collected
Jul 16, 2025 09:10
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250717-36398
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 09:10, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jul 16, 2025 09:10, sampling point TC0002 E. Coli
Collected
Jul 16, 2025 10:36
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250715-36373
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 10:36, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jul 16, 2025 10:36, sampling point TC0005 E. Coli
Collected
Jul 16, 2025 09:22
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250715-36377
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 09:22, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jul 16, 2025 09:22, sampling point TC0008 E. Coli
Collected
Jul 16, 2025 09:43
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-250715-36376
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 09:43, sampling point TC0010 Coliform (TCR)
Absence , sample collected Jul 16, 2025 09:43, sampling point TC0010 E. Coli
Collected
Jul 16, 2025 10:05
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-250715-36375
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 10:05, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jul 16, 2025 10:05, sampling point TC0011 E. Coli
Collected
Jul 16, 2025 10:24
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-250715-36374
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 10:24, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jul 16, 2025 10:24, sampling point TC0012 E. Coli
Collected
Jul 16, 2025 10:57
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-250715-36372
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 10:57, sampling point TC0014 Coliform (TCR)
Absence , sample collected Jul 16, 2025 10:57, sampling point TC0014 E. Coli
Collected
Jul 16, 2025 11:31
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-250715-36371
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 11:31, sampling point TC0018 Coliform (TCR)
Absence , sample collected Jul 16, 2025 11:31, sampling point TC0018 E. Coli
Collected
Jun 10, 2025 08:05
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22021
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 08:05, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jun 10, 2025 08:05, sampling point TC0005 E. Coli
Collected
Jun 10, 2025 08:31
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-220825-22020
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 08:31, sampling point TC0006 Coliform (TCR)
Absence , sample collected Jun 10, 2025 08:31, sampling point TC0006 E. Coli