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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

MS0260010 , Holmes JR College

22 of the 57 analytes this system has been tested for have been detected at least once, across 323 samples on record.

The other 35 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 323 samples on record, detections range from November 8, 1993 to February 11, 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 Holmes JR College, 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 180 of 207 results Nov 8, 1993 Sep 9, 2025
Lead 1030 Inorganic Chemical 150 of 207 results Nov 8, 1993 Sep 9, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 19 of 20 results Jun 9, 2004 Feb 11, 2026
TTHM 2950 Organic Chemical 18 of 20 results Jun 9, 2004 Feb 11, 2026
Chloroform 2941 Organic Chemical 12 of 13 results Sep 19, 2006 Feb 11, 2026
Dichloroacetic Acid 2451 Organic Chemical 11 of 12 results Jul 11, 2011 Feb 11, 2026
Trichloroacetic Acid 2452 Organic Chemical 11 of 12 results Jul 11, 2011 Feb 11, 2026
Barium 1010 Inorganic Chemical 10 of 10 results Sep 17, 2003 Feb 18, 2025
Bromodichloromethane 2943 Organic Chemical 8 of 13 results Jul 11, 2011 Feb 11, 2026
Chromium 1020 Inorganic Chemical 5 of 10 results Sep 17, 2003 Oct 29, 2018
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 18, 2019 Feb 6, 2024
Monochloroacetic Acid 2450 Organic Chemical 2 of 12 results Jul 11, 2011 Jul 9, 2014
Xylenes, Total 2955 Organic Chemical 2 of 30 results Aug 13, 2007 Jun 17, 2014
Sulfate 1055 Inorganic Chemical 2 of 2 results Sep 17, 2003 Feb 11, 2004
Dibromochloromethane 2944 Organic Chemical 1 of 13 results Dec 8, 2025 Dec 8, 2025
Monobromoacetic Acid 2453 Organic Chemical 1 of 12 results Jul 11, 2011 Jul 11, 2011
Nickel 1036 Inorganic Chemical 1 of 10 results Apr 14, 2008 Apr 14, 2008
P-Dichlorobenzene 2969 Organic Chemical 1 of 30 results Mar 10, 2008 Mar 10, 2008
O-Dichlorobenzene 2968 Organic Chemical 1 of 30 results May 21, 2007 May 21, 2007
Cadmium 1015 Inorganic Chemical 1 of 10 results Mar 16, 2005 Mar 16, 2005
Fluoride 1025 Inorganic Chemical 1 of 10 results Mar 16, 2005 Mar 16, 2005
Selenium 1045 Inorganic Chemical 1 of 10 results Mar 16, 2005 Mar 16, 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 141–150 of 323 samples, newest first — collected July 14, 2015 to June 26, 2017. The summary above covers all 323.

41 results from the 10 samples listed here: 8 detected, 33 not detected. Across the whole record it is 441 of 1,412. 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 Holmes JR College, every result from 141 to 150 of 323 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
Jun 26, 2017 06:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170627-048PB
Laboratory
MSDH Lab
0.0571 mg/l , sample collected Jun 26, 2017 06:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 26, 2017 06:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 26, 2017 07:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170627-047PB
Laboratory
MSDH Lab
0.5094 mg/l , sample collected Jun 26, 2017 07:58, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 26, 2017 07:58, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 26, 2017 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170627-046PB
Laboratory
MSDH Lab
0.0275 mg/l , sample collected Jun 26, 2017 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 26, 2017 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 26, 2017 07:32
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170627-044PB
Laboratory
MSDH Lab
0.5177 mg/l , sample collected Jun 26, 2017 07:32, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 26, 2017 07:32, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 26, 2017 08:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170627-043PB
Laboratory
MSDH Lab
0.2656 mg/l , sample collected Jun 26, 2017 08:35, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 26, 2017 08:35, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 26, 2017 06:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170627-042PB
Laboratory
MSDH Lab
0.0272 mg/l , sample collected Jun 26, 2017 06:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 26, 2017 06:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 26, 2017 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170627-041PB
Laboratory
MSDH Lab
0.125 mg/l , sample collected Jun 26, 2017 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0005 mg/l , sample collected Jun 26, 2017 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Feb 13, 2017 15:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
170214-011NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 13, 2017 15:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 13, 2017 15:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 13, 2017 15:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Apr 4, 2016 14:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160405-059NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 4, 2016 14:45, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 4, 2016 14:45, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 4, 2016 14:45, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Jul 14, 2015 02:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150715-017VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Benzene 2990 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Toluene 2991 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 14, 2015 02:20, sampling point TF101 Styrene 2996 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015

Routine (10).