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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 151–165 of 282 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Lake Arrowhead, 151 to 165 of 282 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Feb 19, 2014 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
674537
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2014 – Feb 28, 2014
Absence , sample collected Feb 19, 2014 14:30, sampling point DS000 Coliform (TCR)
Collected
Jan 16, 2014 15:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
668019
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2014 – Jan 31, 2014
Absence , sample collected Jan 16, 2014 15:40, sampling point DS000 Coliform (TCR)
Collected
Dec 12, 2013 12:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
660572
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 12, 2013 12:05, sampling point DS000 Coliform (TCR)
Collected
Nov 18, 2013 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
654208
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2013 – Nov 30, 2013
Absence , sample collected Nov 18, 2013 14:00, sampling point DS000 Coliform (TCR)
Collected
Oct 23, 2013 12:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
647961
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 23, 2013 12:50, sampling point DS000 Coliform (TCR)
Collected
Sep 17, 2013 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
638504
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 17, 2013 14:30, sampling point DS000 Coliform (TCR)
Collected
Aug 22, 2013 11:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
632626
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2013 – Aug 31, 2013
Absence , sample collected Aug 22, 2013 11:30, sampling point DS000 Coliform (TCR)
Collected
Jul 8, 2013 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
621141
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2013 – Jul 31, 2013
Absence , sample collected Jul 8, 2013 14:30, sampling point DS000 Coliform (TCR)
Collected
Jun 4, 2013 12:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
613109
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2013 – Jun 30, 2013
Absence , sample collected Jun 4, 2013 12:35, sampling point DS000 Coliform (TCR)
Collected
May 20, 2013 12:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
609381
Laboratory
MSDH Lab
Monitoring period
May 1, 2013 – May 31, 2013
Absence , sample collected May 20, 2013 12:50, sampling point DS000 Coliform (TCR)
Collected
Apr 24, 2013 12:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
603761
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2013 – Apr 30, 2013
Absence , sample collected Apr 24, 2013 12:20, sampling point DS000 Coliform (TCR)
Collected
Mar 21, 2013 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
597324
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2013 – Mar 31, 2013
Absence , sample collected Mar 21, 2013 11:00, sampling point DS000 Coliform (TCR)
Collected
Feb 11, 2013 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
587430
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2013 – Feb 28, 2013
Absence , sample collected Feb 11, 2013 14:30, sampling point DS000 Coliform (TCR)
Collected
Jan 22, 2013 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
582432
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2013 – Jan 31, 2013
Absence , sample collected Jan 22, 2013 12:30, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2012 15:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
571077
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 3, 2012 15:15, sampling point DS000 Coliform (TCR)