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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 151–160 of 250 samples, newest first — collected June 12, 2000 to April 20, 2004. The summary above covers all 250.

95 results from the 10 samples listed here: 14 detected, 81 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 151 to 160 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
Apr 20, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040421-016VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Benzene 2990 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Toluene 2991 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 20, 2004, sampling point TF101 Styrene 2996 EPA method 524.2 Apr 1, 2004 – Jun 30, 2004
Collected
Feb 2, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040203-051CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Feb 2, 2004, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Feb 2, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040203-023IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 2, 2004, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.002 mg/l , sample collected Feb 2, 2004, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 2, 2004, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.002 mg/l , sample collected Feb 2, 2004, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.208 mg/l , sample collected Feb 2, 2004, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 2, 2004, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Feb 2, 2004, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 2, 2004, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
10.3 mg/l , sample collected Feb 2, 2004, sampling point TF101 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 2, 2004, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Feb 2, 2004, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 2, 2004, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Jan 20, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040121-054VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Cis-1,2-Dichloroethylene 2380 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Xylenes, Total 2955 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Dichloromethane 2964 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 O-Dichlorobenzene 2968 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 P-Dichlorobenzene 2969 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Vinyl Chloride 2976 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,1-Dichloroethylene 2977 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Trans-1,2-Dichloroethylene 2979 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,2-Dichloroethane 2980 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,1,1-Trichloroethane 2981 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Carbon Tetrachloride 2982 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,2-Dichloropropane 2983 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Trichloroethylene 2984 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,1,2-Trichloroethane 2985 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Tetrachloroethylene 2987 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Chlorobenzene 2989 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Benzene 2990 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Toluene 2991 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Ethylbenzene 2992 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Styrene 2996 Jan 1, 2004 – Mar 31, 2004
Collected
Jan 20, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040121-053VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Cis-1,2-Dichloroethylene 2380 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Xylenes, Total 2955 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Dichloromethane 2964 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 O-Dichlorobenzene 2968 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 P-Dichlorobenzene 2969 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Vinyl Chloride 2976 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,1-Dichloroethylene 2977 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Trans-1,2-Dichloroethylene 2979 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,2-Dichloroethane 2980 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,1,1-Trichloroethane 2981 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Carbon Tetrachloride 2982 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,2-Dichloropropane 2983 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Trichloroethylene 2984 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 1,1,2-Trichloroethane 2985 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Tetrachloroethylene 2987 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Chlorobenzene 2989 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Benzene 2990 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Toluene 2991 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Ethylbenzene 2992 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 20, 2004, sampling point TF101 Styrene 2996 Jan 1, 2004 – Mar 31, 2004
Collected
Sep 16, 2003
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
030917-001IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 16, 2003, sampling point TF101 Arsenic 1005 EPA method 200.8 Not recorded
0.003 mg/l , sample collected Sep 16, 2003, sampling point TF101 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Sep 16, 2003, sampling point TF101 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 16, 2003, sampling point TF101 Chromium 1020 EPA method 200.8 Not recorded
0.21 mg/l , sample collected Sep 16, 2003, sampling point TF101 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 16, 2003, sampling point TF101 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Sep 16, 2003, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 16, 2003, sampling point TF101 Selenium 1045 EPA method 200.8 Not recorded
14.7 mg/l , sample collected Sep 16, 2003, sampling point TF101 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 16, 2003, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Sep 16, 2003, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 16, 2003, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Sep 15, 2003
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
030916-064CN
Laboratory
MSDH Lab
0.008 mg/l , sample collected Sep 15, 2003, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Jun 12, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000613-010L
Laboratory
MSDH Lab
0.017 mg/l , sample collected Jun 12, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.002 mg/l , sample collected Jun 12, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 12, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000613-009L
Laboratory
MSDH Lab
0.032 mg/l , sample collected Jun 12, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.004 mg/l , sample collected Jun 12, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 12, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000613-008L
Laboratory
MSDH Lab
0.022 mg/l , sample collected Jun 12, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.003 mg/l , sample collected Jun 12, 2000, sampling point DS000 Lead 1030 Not recorded

Routine (10).