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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 106–120 of 282 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Lake Arrowhead, 106 to 120 of 282 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 17, 2017 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
961568
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 17, 2017 14:30, sampling point DS000 Coliform (TCR)
Collected
Sep 20, 2017 13:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
956656
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 20, 2017 13:40, sampling point DS000 Coliform (TCR)
Collected
Aug 8, 2017 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
946613
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 8, 2017 13:30, sampling point DS000 Coliform (TCR)
Collected
Jul 18, 2017 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
942662
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 18, 2017 13:30, sampling point DS000 Coliform (TCR)
Collected
Jun 14, 2017 13:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
936130
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2017 – Jun 30, 2017
Absence , sample collected Jun 14, 2017 13:40, sampling point DS000 Coliform (TCR)
Collected
May 3, 2017 12:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
928027
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 3, 2017 12:05, sampling point DS000 Coliform (TCR)
Collected
Apr 18, 2017 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
924335
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 18, 2017 13:30, sampling point DS000 Coliform (TCR)
Collected
Mar 15, 2017 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
918094
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2017 – Mar 31, 2017
Absence , sample collected Mar 15, 2017 14:40, sampling point DS000 Coliform (TCR)
Collected
Feb 1, 2017 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
908655
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2017 – Feb 28, 2017
Absence , sample collected Feb 1, 2017 13:30, sampling point DS000 Coliform (TCR)
Collected
Jan 24, 2017 13:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
906914
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2017 – Jan 31, 2017
Absence , sample collected Jan 24, 2017 13:35, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2016 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900140
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 13, 2016 14:30, sampling point DS000 Coliform (TCR)
Collected
Nov 16, 2016 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
895344
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 16, 2016 14:40, sampling point DS000 Coliform (TCR)
Collected
Oct 12, 2016 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
888870
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2016 – Oct 31, 2016
Absence , sample collected Oct 12, 2016 14:30, sampling point DS000 Coliform (TCR)
Collected
Sep 21, 2016 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
883404
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2016 – Sep 30, 2016
Absence , sample collected Sep 21, 2016 14:30, sampling point DS000 Coliform (TCR)
Collected
Aug 23, 2016 13:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
877819
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2016 – Aug 31, 2016
Absence , sample collected Aug 23, 2016 13:50, sampling point DS000 Coliform (TCR)