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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 141–150 of 250 samples, newest first — collected May 10, 2004 to August 19, 2004. The summary above covers all 250.

38 results from the 10 samples listed here: 13 detected, 25 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 141 to 150 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
Aug 19, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
040820-078PB
Laboratory
MSDH Lab
0.1363 mg/l , sample collected Aug 19, 2004, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
0.0197 mg/l , sample collected Aug 19, 2004, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
Collected
Aug 19, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
040820-079PB
Laboratory
MSDH Lab
0.1063 mg/l , sample collected Aug 19, 2004, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
0.0015 mg/l , sample collected Aug 19, 2004, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
Collected
Aug 19, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
040820-070PB
Laboratory
MSDH Lab
0.0792 mg/l , sample collected Aug 19, 2004, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
0.0021 mg/l , sample collected Aug 19, 2004, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
Collected
Aug 19, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
040820-076PB
Laboratory
MSDH Lab
0.1156 mg/l , sample collected Aug 19, 2004, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
0.0068 mg/l , sample collected Aug 19, 2004, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
Collected
Aug 19, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
040820-071PB
Laboratory
MSDH Lab
0.0127 mg/l , sample collected Aug 19, 2004, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 19, 2004, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
Collected
Aug 19, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
040820-075PB
Laboratory
MSDH Lab
0.0589 mg/l , sample collected Aug 19, 2004, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
0.0019 mg/l , sample collected Aug 19, 2004, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2003 – Dec 31, 2005
Collected
Jul 26, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040727-021VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Benzene 2990 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Toluene 2991 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 26, 2004, sampling point TF101 Styrene 2996 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Collected
Jul 26, 2004
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
040727-023HA
Laboratory
MSDH Lab
0.01 mg/l , sample collected Jul 26, 2004, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2004 – Dec 31, 2004
Collected
May 24, 2004
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
040525-023TH
Laboratory
MSDH Lab
4.64 ug/l , sample collected May 24, 2004, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2004 – Dec 31, 2004
Collected
May 10, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040511-056NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 10, 2004, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2004 – Dec 31, 2004
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 10, 2004, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2004 – Dec 31, 2004
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 10, 2004, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2004 – Dec 31, 2004

Routine (10).