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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 121–135 of 282 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Lake Arrowhead, 121 to 135 of 282 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 10, 2016 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
875765
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2016 – Aug 31, 2016
Absence , sample collected Aug 10, 2016 13:30, sampling point DS000 Coliform (TCR)
Collected
Jul 27, 2016 11:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
871701
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2016 – Jul 31, 2016
Absence , sample collected Jul 27, 2016 11:30, sampling point DS000 Coliform (TCR)
Collected
Jun 28, 2016 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
865495
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2016 – Jun 30, 2016
Absence , sample collected Jun 28, 2016 14:30, sampling point DS000 Coliform (TCR)
Collected
Jun 14, 2016 13:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
863179
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2016 – Jun 30, 2016
Absence , sample collected Jun 14, 2016 13:50, sampling point DS000 Coliform (TCR)
Collected
Apr 12, 2016 14:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
850299
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2016 – Apr 30, 2016
Absence , sample collected Apr 12, 2016 14:20, sampling point DS000 Coliform (TCR)
Collected
Mar 15, 2016 13:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
845255
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2016 – Mar 31, 2016
Absence , sample collected Mar 15, 2016 13:15, sampling point DS000 Coliform (TCR)
Collected
Feb 10, 2016 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
838249
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 10, 2016 14:40, sampling point DS000 Coliform (TCR)
Collected
Jan 19, 2016 14:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
831812
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2016 – Jan 31, 2016
Absence , sample collected Jan 19, 2016 14:45, sampling point DS000 Coliform (TCR)
Collected
Dec 8, 2015 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
824318
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2015 – Dec 31, 2015
Absence , sample collected Dec 8, 2015 14:40, sampling point DS000 Coliform (TCR)
Collected
Nov 17, 2015 13:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
819166
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 17, 2015 13:45, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2015 12:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809519
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 12:05, sampling point DS000 Coliform (TCR)
Collected
Sep 17, 2015 14:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
804464
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2015 – Sep 30, 2015
Absence , sample collected Sep 17, 2015 14:15, sampling point DS000 Coliform (TCR)
Collected
Aug 26, 2015 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
799243
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 26, 2015 11:00, sampling point DS000 Coliform (TCR)
Collected
Jul 24, 2015 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
791463
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 24, 2015 12:30, sampling point DS000 Coliform (TCR)
Collected
Jun 8, 2015 10:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
780390
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 8, 2015 10:10, sampling point DS000 Coliform (TCR)