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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.

Arsenic results

MS0700011 , Town of Walnut

20 samples have been analysed for Arsenic at Town of Walnut.

This is one analyte out of the system’s whole record. For what has ever been detected here, and when, see all chemical and radiological results; for everything the system is tested for, see the analyte list.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

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

Every Arsenic result

The table below lists 11–20 of 20 samples, newest first — collected October 29, 2003 to March 1, 2010.

10 Arsenic results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 106 results for other analytes, which are on the full results page.

Arsenic results for Town of Walnut, from 11 to 20 of 20 samples shown analysed for it, newest first. This view leaves out other analytes on the same samples. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Mar 1, 2010
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
100302-047IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 1, 2010, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Mar 1, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100302-046IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 1, 2010, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
May 1, 2006
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
060502-001IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 1, 2006, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
May 1, 2006
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
060502-002IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 1, 2006, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Apr 26, 2005
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
050427-044IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 26, 2005, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Apr 26, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
050427-045IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 26, 2005, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Mar 31, 2004
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
040401-027IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 31, 2004, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Mar 31, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040401-026IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 31, 2004, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Oct 29, 2003
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
031030-074IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 29, 2003, sampling point TF102 Arsenic 1005 EPA method 200.8 Not recorded
Collected
Oct 29, 2003
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
031030-073IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 29, 2003, sampling point TF101 Arsenic 1005 EPA method 200.8 Not recorded

Routine (10).