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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

MS0240027 , Knollwood

No positive results are on record for Knollwood — none among 337 results across 277 samples.

The agency records 4 validated violations for this system on what this page reports: this system’s violations.

Every sample on record, February 14, 2002 to August 6, 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 16–25 of 25 samples in this date range, newest first.

Routine (10).

Coliform and microbial sample results for Knollwood, 16 to 25 of 25 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 14, 2025 11:33
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-250523-29630
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 14, 2025 11:33, sampling point DS000 Coliform (TCR)
Absence , sample collected Jul 14, 2025 11:33, sampling point DS000 E. Coli
Collected
Jun 4, 2025 07:32
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250523-29628
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 4, 2025 07:32, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jun 4, 2025 07:32, sampling point TC0004 E. Coli
Collected
May 5, 2025
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
2505077-01
Laboratory
Micro Methods Laboratory
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025, sampling point TC0008 Coliform (TCR)
Collected
Apr 1, 2025
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
2504036-01
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 1, 2025, sampling point TC0004 Coliform (TCR)
Collected
Mar 4, 2025
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
2503052-01
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 4, 2025, sampling point TC0004 Coliform (TCR)
Collected
Feb 6, 2025
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
2502147-01
Laboratory
Micro Methods Laboratory
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 6, 2025, sampling point TC0004 Coliform (TCR)
Collected
Feb 4, 2025
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
2502085-01
Laboratory
Micro Methods Laboratory
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025, sampling point DS000 Coliform (TCR)
Collected
Dec 2, 2024
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
2412028-01
Laboratory
Micro Methods Laboratory
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 2, 2024, sampling point DS000 Coliform (TCR)
Collected
Nov 14, 2024
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
2411246-01
Laboratory
Micro Methods Laboratory
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 14, 2024, sampling point TC0001 Coliform (TCR)
Collected
Oct 10, 2024
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
2410261-01
Laboratory
Micro Methods Laboratory
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 10, 2024, sampling point TC0001 Coliform (TCR)