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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

MS0730010 , Lake Arrowhead

1 of 369 results on record was positive for coliform or another organism the agency tests for. The most recent was October 23, 2007.

They fall across 1 of the 282 samples on record.

Every sample on record, October 8, 2003 to July 14, 2026. No date range is applied.

This system’s violations

The most recent samples

No date range is applied: this list draws on every sample on record. Show the last two years only.

The list below shows 166–180 of 282 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Lake Arrowhead, 166 to 180 of 282 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 13, 2012 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
567356
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2012 – Nov 30, 2012
Absence , sample collected Nov 13, 2012 14:40, sampling point DS000 Coliform (TCR)
Collected
Oct 25, 2012 12:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
563680
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 25, 2012 12:25, sampling point DS000 Coliform (TCR)
Collected
Sep 24, 2012 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
555822
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 24, 2012 13:30, sampling point DS000 Coliform (TCR)
Collected
Aug 21, 2012 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
548088
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 21, 2012 09:00, sampling point DS000 Coliform (TCR)
Collected
Aug 21, 2012 08:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
548090
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 21, 2012 08:50, sampling point DS000 Coliform (TCR)
Collected
Jul 12, 2012 12:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
537118
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 12, 2012 12:27, sampling point DS000 Coliform (TCR)
Collected
Jun 21, 2012 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
531817
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2012 – Jun 30, 2012
Absence , sample collected Jun 21, 2012 12:30, sampling point DS000 Coliform (TCR)
Collected
May 10, 2012 12:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
522554
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 10, 2012 12:45, sampling point DS000 Coliform (TCR)
Collected
Apr 17, 2012 15:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
515749
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 17, 2012 15:30, sampling point DS000 Coliform (TCR)
Collected
Mar 5, 2012 15:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
505757
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 5, 2012 15:00, sampling point DS000 Coliform (TCR)
Collected
Feb 8, 2012 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
500770
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 8, 2012 14:40, sampling point DS000 Coliform (TCR)
Collected
Jan 23, 2012 09:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
496346
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 23, 2012 09:15, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2011 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
485569
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 6, 2011 09:30, sampling point DS000 Coliform (TCR)
Collected
Nov 14, 2011 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
482148
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 14, 2011 14:30, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2011 15:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
472014
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2011 – Oct 31, 2011
Absence , sample collected Oct 4, 2011 15:30, sampling point DS000 Coliform (TCR)