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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

MS0690052 , Independence High School

27 of the 58 analytes this system has been tested for have been detected at least once, across 241 samples on record.

The other 31 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 241 samples on record, detections range from October 29, 2003 to June 30, 2026. 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 Independence High School, 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
Copper, Free 1022 Inorganic Chemical 114 of 114 results Nov 14, 2011 Aug 2, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 24 of 27 results Aug 10, 2011 Jun 30, 2026
TTHM 2950 Organic Chemical 24 of 27 results Jun 17, 2013 Jun 30, 2026
Dichloroacetic Acid 2451 Organic Chemical 17 of 19 results Aug 10, 2011 Jun 30, 2026
Chloroform 2941 Organic Chemical 16 of 19 results Jun 17, 2013 Jun 30, 2026
Trichloroacetic Acid 2452 Organic Chemical 12 of 19 results Oct 17, 2016 Jun 30, 2026
Barium 1010 Inorganic Chemical 11 of 11 results Oct 29, 2003 Apr 1, 2025
Lead 1030 Inorganic Chemical 11 of 114 results Nov 14, 2011 Jun 12, 2014
Nitrate-Nitrite 1038 Inorganic Chemical 11 of 26 results Jun 16, 2004 May 19, 2014
Nitrate 1040 Inorganic Chemical 11 of 26 results Jun 16, 2004 May 19, 2014
Bromodichloromethane 2943 Organic Chemical 9 of 19 results Oct 17, 2016 Jun 30, 2026
Chromium 1020 Inorganic Chemical 7 of 11 results Apr 26, 2005 Apr 1, 2025
Fluoride 1025 Inorganic Chemical 5 of 12 results May 20, 2013 Dec 6, 2022
Xylenes, Total 2955 Organic Chemical 5 of 32 results Sep 14, 2011 Aug 7, 2019
Nickel 1036 Inorganic Chemical 4 of 11 results May 10, 2010 Apr 1, 2025
Sodium 1052 Inorganic Chemical 2 of 2 results Apr 22, 2021 Nov 7, 2023
Monochloroacetic Acid 2450 Organic Chemical 2 of 19 results Jul 10, 2012 Jul 11, 2018
Calcium 1016 Inorganic Chemical 1 of 1 result Apr 22, 2021 Apr 22, 2021
Chloride 1017 Inorganic Chemical 1 of 1 result Apr 22, 2021 Apr 22, 2021
Sulfate 1055 Inorganic Chemical 1 of 3 results Apr 22, 2021 Apr 22, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 1 of 1 result Apr 22, 2021 Apr 22, 2021
Alkalinity, Total 1927 Water Quality 1 of 1 result Apr 22, 2021 Apr 22, 2021
Ethylbenzene 2992 Organic Chemical 1 of 33 results May 28, 2014 May 28, 2014
Monobromoacetic Acid 2453 Organic Chemical 1 of 19 results Jun 17, 2013 Jun 17, 2013
Arsenic 1005 Inorganic Chemical 1 of 11 results May 10, 2010 May 10, 2010
Cadmium 1015 Inorganic Chemical 1 of 11 results Apr 26, 2005 Apr 26, 2005
Selenium 1045 Inorganic Chemical 1 of 11 results Apr 26, 2005 Apr 26, 2005

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 221–230 of 241 samples, newest first — collected September 28, 2005 to September 20, 2010. The summary above covers all 241.

43 results from the 10 samples listed here: 18 detected, 25 not detected. Across the whole record it is 295 of 1,368. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Units in this table

Cyanide is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Chemical and radiological sample results for Independence High School, every result from 221 to 230 of 241 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
Sep 20, 2010
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
100921-032NI
Laboratory
MSDH Lab
0.59 mg/l , sample collected Sep 20, 2010, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Not recorded
0.59 mg/l , sample collected Sep 20, 2010, sampling point TF102 Nitrate 1040 EPA method 353.2 Not recorded
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Sep 20, 2010, sampling point TF102 Nitrite 1041 EPA method 353.2 Not recorded
Collected
May 10, 2010
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
100511-054IN
Laboratory
MSDH Lab
0.0007 mg/l , sample collected May 10, 2010, sampling point TF102 Arsenic 1005 EPA method 200.8 Not recorded
0.0115 mg/l , sample collected May 10, 2010, sampling point TF102 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 10, 2010, sampling point TF102 Cadmium 1015 EPA method 200.8 Not recorded
0.0006 mg/l , sample collected May 10, 2010, sampling point TF102 Chromium 1020 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 10, 2010, sampling point TF102 Fluoride 1025 EPA method 380-75WE Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 10, 2010, sampling point TF102 Mercury 1035 EPA method 200.8 Not recorded
0.0014 mg/l , sample collected May 10, 2010, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 10, 2010, sampling point TF102 Selenium 1045 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 10, 2010, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 10, 2010, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 10, 2010, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
May 10, 2010
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
100511-010CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected May 10, 2010, sampling point TF102 Cyanide 1024 EPA method QC10204001X Not recorded
Collected
Jun 1, 2009
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
090602-048NI
Laboratory
MSDH Lab
0.52 mg/l , sample collected Jun 1, 2009, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Not recorded
0.52 mg/l , sample collected Jun 1, 2009, sampling point TF102 Nitrate 1040 EPA method 353.2 Not recorded
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jun 1, 2009, sampling point TF102 Nitrite 1041 EPA method 353.2 Not recorded
Collected
Jul 21, 2008
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
080722-047NI
Laboratory
MSDH Lab
0.54 mg/l , sample collected Jul 21, 2008, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Not recorded
0.54 mg/l , sample collected Jul 21, 2008, sampling point TF102 Nitrate 1040 EPA method 353.2 Not recorded
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 21, 2008, sampling point TF102 Nitrite 1041 EPA method 353.2 Not recorded
Collected
Jul 16, 2007
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
070717-046NI
Laboratory
MSDH Lab
0.56 mg/l , sample collected Jul 16, 2007, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Not recorded
0.56 mg/l , sample collected Jul 16, 2007, sampling point TF102 Nitrate 1040 EPA method 353.2 Not recorded
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 16, 2007, sampling point TF102 Nitrite 1041 EPA method 353.2 Not recorded
Collected
Aug 9, 2006
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
060810-118NI
Laboratory
MSDH Lab
0.78 mg/l , sample collected Aug 9, 2006, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Not recorded
0.77 mg/l , sample collected Aug 9, 2006, sampling point TF102 Nitrate 1040 EPA method 353.2 Not recorded
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Aug 9, 2006, sampling point TF102 Nitrite 1041 EPA method 353.2 Not recorded
Collected
Apr 12, 2006
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
060413-001CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Apr 12, 2006, sampling point TF102 Cyanide 1024 EPA method QC10204001X Not recorded
Collected
Apr 12, 2006
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
060413-006IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 12, 2006, sampling point TF102 Arsenic 1005 EPA method 200.8 Not recorded
0.013059 mg/l , sample collected Apr 12, 2006, sampling point TF102 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 12, 2006, sampling point TF102 Cadmium 1015 EPA method 200.8 Not recorded
0.000802 mg/l , sample collected Apr 12, 2006, sampling point TF102 Chromium 1020 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 12, 2006, sampling point TF102 Fluoride 1025 EPA method 380-75WE Not recorded
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Apr 12, 2006, sampling point TF102 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 12, 2006, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 12, 2006, sampling point TF102 Selenium 1045 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 12, 2006, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 12, 2006, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 12, 2006, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 12, 2006, sampling point TF102 Uranium-238 4009 Not recorded
Collected
Sep 28, 2005
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
050929-049NI
Laboratory
MSDH Lab
0.69 mg/l , sample collected Sep 28, 2005, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Not recorded
0.69 mg/l , sample collected Sep 28, 2005, sampling point TF102 Nitrate 1040 EPA method 353.2 Not recorded
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Sep 28, 2005, sampling point TF102 Nitrite 1041 EPA method 353.2 Not recorded

Routine (10).