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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 91–105 of 214 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Walls Water Assn- Lake Forest, 91 to 105 of 214 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 18, 2025 11:17
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-251119-60498
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 18, 2025 11:17, sampling point TC0008 Coliform (TCR)
Absence , sample collected Nov 18, 2025 11:17, sampling point TC0008 E. Coli
Collected
Nov 18, 2025 10:59
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-250717-36407
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 18, 2025 10:59, sampling point TC0010 Coliform (TCR)
Absence , sample collected Nov 18, 2025 10:59, sampling point TC0010 E. Coli
Collected
Nov 18, 2025 10:41
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-250717-36406
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 18, 2025 10:41, sampling point TC0011 Coliform (TCR)
Absence , sample collected Nov 18, 2025 10:41, sampling point TC0011 E. Coli
Collected
Nov 18, 2025 10:18
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-250717-36405
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 18, 2025 10:18, sampling point TC0012 Coliform (TCR)
Absence , sample collected Nov 18, 2025 10:18, sampling point TC0012 E. Coli
Collected
Nov 18, 2025 10:07
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-250717-36404
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 18, 2025 10:07, sampling point TC0015 Coliform (TCR)
Absence , sample collected Nov 18, 2025 10:07, sampling point TC0015 E. Coli
Collected
Nov 18, 2025 09:35
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-250717-36402
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 18, 2025 09:35, sampling point TC0019 Coliform (TCR)
Absence , sample collected Nov 18, 2025 09:35, sampling point TC0019 E. Coli
Collected
Nov 18, 2025 09:51
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-250717-36403
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 18, 2025 09:51, sampling point TC0021 Coliform (TCR)
Absence , sample collected Nov 18, 2025 09:51, sampling point TC0021 E. Coli
Collected
Oct 8, 2025 09:01
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250714-36319
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 09:01, sampling point TC0001 Coliform (TCR)
Absence , sample collected Oct 8, 2025 09:01, sampling point TC0001 E. Coli
Collected
Oct 8, 2025 08:15
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250714-36320
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 08:15, sampling point TC0002 Coliform (TCR)
Absence , sample collected Oct 8, 2025 08:15, sampling point TC0002 E. Coli
Collected
Oct 8, 2025 08:31
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250714-36321
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 08:31, sampling point TC0008 Coliform (TCR)
Absence , sample collected Oct 8, 2025 08:31, sampling point TC0008 E. Coli
Collected
Oct 8, 2025 08:50
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-250714-36322
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 08:50, sampling point TC0010 Coliform (TCR)
Absence , sample collected Oct 8, 2025 08:50, sampling point TC0010 E. Coli
Collected
Oct 8, 2025 09:10
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-250714-36323
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 09:10, sampling point TC0011 Coliform (TCR)
Absence , sample collected Oct 8, 2025 09:10, sampling point TC0011 E. Coli
Collected
Oct 8, 2025 09:27
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-250714-36324
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 09:27, sampling point TC0012 Coliform (TCR)
Absence , sample collected Oct 8, 2025 09:27, sampling point TC0012 E. Coli
Collected
Oct 8, 2025 10:21
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-250714-36325
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 10:21, sampling point TC0015 Coliform (TCR)
Absence , sample collected Oct 8, 2025 10:21, sampling point TC0015 E. Coli
Collected
Oct 8, 2025 11:01
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-250714-36327
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 11:01, sampling point TC0019 Coliform (TCR)
Absence , sample collected Oct 8, 2025 11:01, sampling point TC0019 E. Coli