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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

MS0240154 , Harrison Central High School

22 of the 53 analytes this system has been tested for have been detected at least once, across 250 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 250 samples on record, detections range from November 4, 1993 to March 31, 2025. 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 Harrison Central 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
Lead 1030 Inorganic Chemical 106 of 166 results Nov 4, 1993 Aug 14, 2023
Copper, Free 1022 Inorganic Chemical 89 of 166 results Nov 4, 1993 Aug 14, 2023
TTHM 2950 Organic Chemical 11 of 11 results May 24, 2004 Mar 31, 2025
Barium 1010 Inorganic Chemical 11 of 11 results Sep 16, 2003 Feb 13, 2025
Fluoride 1025 Inorganic Chemical 11 of 11 results Sep 16, 2003 Feb 13, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 9 of 10 results Jul 26, 2004 Mar 31, 2025
Chromium 1020 Inorganic Chemical 7 of 11 results Feb 2, 2004 Apr 26, 2022
Chloroform 2941 Organic Chemical 6 of 6 results Aug 1, 2007 May 21, 2019
Bromodichloromethane 2943 Organic Chemical 5 of 6 results Aug 1, 2007 May 21, 2019
Dichloroacetic Acid 2451 Organic Chemical 5 of 5 results Sep 11, 2007 Aug 2, 2018
Trichloroacetic Acid 2452 Organic Chemical 3 of 5 results Sep 11, 2007 Sep 15, 2014
Nitrite 1041 Inorganic Chemical 2 of 29 results Jul 27, 2005 Feb 4, 2013
Dibromochloromethane 2944 Organic Chemical 2 of 6 results Jun 10, 2010 Jul 18, 2012
Nickel 1036 Inorganic Chemical 2 of 11 results Nov 12, 2009 May 10, 2010
Cadmium 1015 Inorganic Chemical 2 of 11 results Mar 9, 2005 Feb 6, 2006
Selenium 1045 Inorganic Chemical 2 of 11 results Mar 9, 2005 Feb 6, 2006
Sulfate 1055 Inorganic Chemical 2 of 2 results Sep 16, 2003 Feb 2, 2004
Sodium 1052 Inorganic Chemical 1 of 1 result Feb 24, 2021 Feb 24, 2021
Monochloroacetic Acid 2450 Organic Chemical 1 of 5 results Aug 2, 2018 Aug 2, 2018
Dibromoacetic Acid 2454 Organic Chemical 1 of 5 results Jul 18, 2012 Jul 18, 2012
Arsenic 1005 Inorganic Chemical 1 of 11 results May 10, 2010 May 10, 2010
Cyanide 1024 Inorganic Chemical 1 of 11 results Sep 15, 2003 Sep 15, 2003

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 111–120 of 250 samples, newest first — collected July 15, 2008 to July 15, 2008. The summary above covers all 250.

20 results from the 10 samples listed here: 20 detected, 0 not detected. Across the whole record it is 280 of 816. 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 Harrison Central High School, every result from 111 to 120 of 250 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
Jul 15, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080716-096PB
Laboratory
MSDH Lab
0.061 mg/l , sample collected Jul 15, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0009 mg/l , sample collected Jul 15, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 15, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080716-095PB
Laboratory
MSDH Lab
0.0709 mg/l , sample collected Jul 15, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0058 mg/l , sample collected Jul 15, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 15, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080716-094PB
Laboratory
MSDH Lab
0.1093 mg/l , sample collected Jul 15, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0101 mg/l , sample collected Jul 15, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 15, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080716-093PB
Laboratory
MSDH Lab
0.1185 mg/l , sample collected Jul 15, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0032 mg/l , sample collected Jul 15, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 15, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080716-092PB
Laboratory
MSDH Lab
0.2105 mg/l , sample collected Jul 15, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0023 mg/l , sample collected Jul 15, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 15, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080716-091PB
Laboratory
MSDH Lab
0.0548 mg/l , sample collected Jul 15, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0035 mg/l , sample collected Jul 15, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 15, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080716-015PB
Laboratory
MSDH Lab
0.0501 mg/l , sample collected Jul 15, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0011 mg/l , sample collected Jul 15, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 15, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080716-014PB
Laboratory
MSDH Lab
0.0731 mg/l , sample collected Jul 15, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.002 mg/l , sample collected Jul 15, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 15, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080716-013PB
Laboratory
MSDH Lab
0.4286 mg/l , sample collected Jul 15, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0313 mg/l , sample collected Jul 15, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 15, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080716-012PB
Laboratory
MSDH Lab
0.1664 mg/l , sample collected Jul 15, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0103 mg/l , sample collected Jul 15, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008

Routine (10).