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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 181–195 of 282 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Lake Arrowhead, 181 to 195 of 282 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Sep 15, 2011 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
467768
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2011 – Sep 30, 2011
Absence , sample collected Sep 15, 2011 14:40, sampling point DS000 Coliform (TCR)
Collected
Aug 10, 2011 13:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
460267
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 10, 2011 13:45, sampling point DS000 Coliform (TCR)
Collected
Jul 12, 2011 15:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
453280
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 12, 2011 15:40, sampling point DS000 Coliform (TCR)
Collected
Jul 12, 2011 15:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
453387
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 12, 2011 15:30, sampling point DS000 Coliform (TCR)
Collected
Jun 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
444272
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 6, 2011, sampling point DS000 Coliform (TCR)
Collected
May 18, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
440443
Laboratory
MSDH Lab
Monitoring period
May 1, 2011 – May 31, 2011
Absence , sample collected May 18, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
434899
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 28, 2011, sampling point DS000 Coliform (TCR)
Collected
Mar 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
428087
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2011 – Mar 31, 2011
Absence , sample collected Mar 28, 2011, sampling point DS000 Coliform (TCR)
Collected
Feb 24, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
421449
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2011 – Feb 28, 2011
Absence , sample collected Feb 24, 2011, sampling point DS000 Coliform (TCR)
Collected
Jan 27, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
414388
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2011 – Jan 31, 2011
Absence , sample collected Jan 27, 2011, sampling point DS000 Coliform (TCR)
Collected
Dec 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
407757
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2010 – Dec 31, 2010
Absence , sample collected Dec 28, 2010, sampling point DS000 Coliform (TCR)
Collected
Nov 22, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
400665
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2010 – Nov 30, 2010
Absence , sample collected Nov 22, 2010, sampling point DS000 Coliform (TCR)
Collected
Oct 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
394478
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2010 – Oct 31, 2010
Absence , sample collected Oct 28, 2010, sampling point DS000 Coliform (TCR)
Collected
Sep 27, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
387302
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2010 – Sep 30, 2010
Absence , sample collected Sep 27, 2010, sampling point DS000 Coliform (TCR)
Collected
Aug 26, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
380022
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2010 – Aug 31, 2010
Absence , sample collected Aug 26, 2010, sampling point DS000 Coliform (TCR)