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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

MS0060044 , Boyle-Skene-Benoit

22 of the 56 analytes this system has been tested for have been detected at least once, across 191 samples on record.

The other 34 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 191 samples on record, detections range from October 14, 1993 to September 30, 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 Boyle-Skene-Benoit, 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 91 of 105 results Oct 14, 1993 Sep 30, 2025
Lead 1030 Inorganic Chemical 87 of 105 results Oct 14, 1993 Sep 30, 2025
TTHM 2950 Organic Chemical 15 of 16 results May 5, 2004 Apr 29, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 13 of 16 results May 5, 2004 Apr 29, 2025
Barium 1010 Inorganic Chemical 7 of 7 results Sep 8, 2003 Jan 10, 2024
Fluoride 1025 Inorganic Chemical 7 of 7 results Sep 8, 2003 Jan 10, 2024
Chloroform 2941 Organic Chemical 7 of 8 results Aug 14, 2006 Aug 16, 2017
Chromium 1020 Inorganic Chemical 4 of 7 results Jan 12, 2004 Jan 10, 2024
Dichloroacetic Acid 2451 Organic Chemical 4 of 5 results Jun 24, 2008 Aug 16, 2017
Trichloroacetic Acid 2452 Organic Chemical 4 of 5 results Jun 24, 2008 Aug 16, 2017
Bromodichloromethane 2943 Organic Chemical 4 of 8 results Nov 16, 2006 Aug 16, 2017
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 16, 2019 Oct 22, 2024
Arsenic 1005 Inorganic Chemical 3 of 7 results Jan 12, 2004 Apr 1, 2020
Selenium 1045 Inorganic Chemical 3 of 7 results Sep 8, 2003 Nov 30, 2011
Dibromoacetic Acid 2454 Organic Chemical 2 of 5 results Jul 15, 2014 Aug 16, 2017
Dibromochloromethane 2944 Organic Chemical 2 of 8 results Jul 15, 2014 Aug 16, 2017
Nickel 1036 Inorganic Chemical 2 of 7 results Sep 8, 2003 Mar 2, 2015
Monochloroacetic Acid 2450 Organic Chemical 2 of 5 results Jun 20, 2011 Jul 15, 2014
Xylenes, Total 2955 Organic Chemical 2 of 11 results Jan 26, 2004 Apr 6, 2004
Bromoform 2942 Organic Chemical 1 of 8 results Aug 16, 2017 Aug 16, 2017
Monobromoacetic Acid 2453 Organic Chemical 1 of 5 results Jun 20, 2011 Jun 20, 2011
Ethylbenzene 2992 Organic Chemical 1 of 11 results Apr 6, 2004 Apr 6, 2004

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 91–100 of 191 samples, newest first — collected November 30, 2011 to July 10, 2012. The summary above covers all 191.

54 results from the 10 samples listed here: 4 detected, 50 not detected. Across the whole record it is 265 of 694. 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 Boyle-Skene-Benoit, every result from 91 to 100 of 191 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 10, 2012 12:30
Sampling point
TF102
Sample type
Routine
Lab sample
120711-064
Laboratory
Radiation Safety Engineering
Not detected below 0.32 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 12:30, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.54 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 12:30, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.239 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 12:30, sampling point TF102 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.54 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 12:30, sampling point TF102 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 10, 2012 12:30
Sampling point
TF102
Sample type
Routine
Lab sample
120711-064RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 10, 2012 12:30, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
May 9, 2012 02:00
Sampling point
TF102
Sample type
Routine
Lab sample
120510-010VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 9, 2012 02:00, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Collected
Apr 18, 2012 13:00
Sampling point
TF102
Sample type
Routine
Lab sample
120419-066
Laboratory
Radiation Safety Engineering
Not detected below 0.32 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 13:00, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.54 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 13:00, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.239 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 13:00, sampling point TF102 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.54 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 13:00, sampling point TF102 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 18, 2012 13:00
Sampling point
TF102
Sample type
Routine
Lab sample
120419-066RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2012 13:00, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Feb 15, 2012 13:30
Sampling point
TF102
Sample type
Routine
Lab sample
120216-077
Laboratory
Radiation Safety Engineering
Not detected below 0.32 pci/l Minimum Reporting Level , sample collected Feb 15, 2012 13:30, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.54 pci/l Minimum Reporting Level , sample collected Feb 15, 2012 13:30, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.239 pci/l Minimum Reporting Level , sample collected Feb 15, 2012 13:30, sampling point TF102 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.54 pci/l Minimum Reporting Level , sample collected Feb 15, 2012 13:30, sampling point TF102 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Feb 15, 2012 13:30
Sampling point
TF102
Sample type
Routine
Lab sample
120216-077RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 15, 2012 13:30, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jan 1, 2012 – Mar 31, 2012
Collected
Jan 17, 2012 03:30
Sampling point
TF102
Sample type
Routine
Lab sample
120118-009NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 17, 2012 03:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 17, 2012 03:30, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 17, 2012 03:30, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Collected
Dec 7, 2011 12:30
Sampling point
TF102
Sample type
Routine
Lab sample
111208-086
Laboratory
Radiation Safety Engineering
Not detected below 0.32 pci/l Minimum Reporting Level , sample collected Dec 7, 2011 12:30, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.54 pci/l Minimum Reporting Level , sample collected Dec 7, 2011 12:30, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.239 pci/l Minimum Reporting Level , sample collected Dec 7, 2011 12:30, sampling point TF102 Radium-226 4020 EPA method 903.1 Oct 1, 2011 – Dec 31, 2011
Not detected below 0.54 pci/l Minimum Reporting Level , sample collected Dec 7, 2011 12:30, sampling point TF102 Radium-228 4030 EPA method 904.0 Oct 1, 2011 – Dec 31, 2011
Collected
Nov 30, 2011 03:00
Sampling point
TF102
Sample type
Routine
Lab sample
111201-013IN
Laboratory
MSDH Lab
0.0006 mg/l , sample collected Nov 30, 2011 03:00, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.0169 mg/l , sample collected Nov 30, 2011 03:00, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 30, 2011 03:00, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 30, 2011 03:00, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.177 mg/l , sample collected Nov 30, 2011 03:00, sampling point TF102 Fluoride 1025 EPA method 380-75WE Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 30, 2011 03:00, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 30, 2011 03:00, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
0.003 mg/l , sample collected Nov 30, 2011 03:00, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 30, 2011 03:00, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 30, 2011 03:00, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 30, 2011 03:00, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012

Routine (10).