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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.

Chemical and radiological sample results

MS0150019 , Highway I-55 Rest Area

3 of the 4 analytes this system has been tested for have been detected at least once, across 22 samples on record.

The other 1 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 22 samples on record, detections range from July 18, 2005 to February 1, 2021. These figures cover the whole record.

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

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for Highway I-55 Rest Area, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Nitrate-Nitrite 1038 Inorganic Chemical 2 of 21 results Jul 18, 2005 Jun 12, 2006
Nitrate 1040 Inorganic Chemical 2 of 21 results Jul 18, 2005 Jun 12, 2006
Sodium 1052 Inorganic Chemical 1 of 1 result Feb 1, 2021 Feb 1, 2021

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

The most recent samples, result by result

The table below lists 11–20 of 22 samples, newest first — collected June 12, 2006 to March 22, 2016. The summary above covers all 22.

30 results from the 10 samples listed here: 2 detected, 28 not detected. Across the whole record it is 5 of 64. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Chemical and radiological sample results for Highway I-55 Rest Area, every result from 11 to 20 of 22 samples shown, newest first. 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 22, 2016 12:10
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
160323-042NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 22, 2016 12:10, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 22, 2016 12:10, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 22, 2016 12:10, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Jan 26, 2015 09:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
150127-054NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 09:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 09:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 09:30, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Jan 29, 2014 13:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
140130-032NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 29, 2014 13:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 29, 2014 13:00, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 29, 2014 13:00, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Jan 22, 2013 12:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
130123-073NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 22, 2013 12:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 22, 2013 12:30, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 22, 2013 12:30, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Jan 23, 2012 02:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120124-097NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 23, 2012 02:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 23, 2012 02:30, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 23, 2012 02:30, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Collected
Jan 24, 2011
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
110125-030NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 24, 2011, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 24, 2011, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 24, 2011, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
May 24, 2010
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
100525-060NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected May 24, 2010, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected May 24, 2010, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected May 24, 2010, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Collected
Mar 23, 2009
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
090324-073NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Mar 23, 2009, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Mar 23, 2009, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Mar 23, 2009, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Collected
Apr 16, 2007
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
070417-031NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 16, 2007, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 16, 2007, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 16, 2007, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Jun 12, 2006
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
060613-108NI
Laboratory
MSDH Lab
0.12 mg/l , sample collected Jun 12, 2006, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
0.12 mg/l , sample collected Jun 12, 2006, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 12, 2006, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006

Routine (10).