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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

MS0110003 , Hermanville Water Association

36 of the 59 analytes this system has been tested for have been detected at least once, across 708 samples on record.

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 708 samples on record, detections range from October 19, 1993 to September 28, 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 Hermanville Water Association, 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 144 of 180 results Oct 19, 1993 Sep 28, 2025
Lead 1030 Inorganic Chemical 118 of 180 results Oct 19, 1993 Sep 26, 2025
TTHM 2950 Organic Chemical 89 of 111 results Sep 13, 2004 Jul 26, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 85 of 113 results Sep 13, 2004 Jul 16, 2024
Chloroform 2941 Organic Chemical 62 of 73 results May 15, 2006 Sep 2, 2020
Bromodichloromethane 2943 Organic Chemical 55 of 73 results May 15, 2006 Sep 2, 2020
Dichloroacetic Acid 2451 Organic Chemical 47 of 67 results Mar 9, 2009 Sep 2, 2020
Trichloroacetic Acid 2452 Organic Chemical 36 of 67 results Mar 9, 2009 Sep 2, 2020
Barium 1010 Inorganic Chemical 31 of 31 results Mar 12, 2002 Jan 22, 2025
Fluoride 1025 Inorganic Chemical 31 of 31 results Mar 12, 2002 Jan 22, 2025
Xylenes, Total 2955 Organic Chemical 26 of 148 results Jul 14, 2004 Oct 16, 2013
Chromium 1020 Inorganic Chemical 23 of 31 results Jan 26, 2004 Jan 22, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 15 results Mar 8, 2012 Oct 11, 2012
Monochloroacetic Acid 2450 Organic Chemical 14 of 67 results Sep 8, 2009 Sep 2, 2020
Nickel 1036 Inorganic Chemical 12 of 31 results Dec 12, 2005 Jan 22, 2025
Ethylbenzene 2992 Organic Chemical 10 of 148 results Jul 14, 2004 Oct 16, 2013
Nitrate-Nitrite 1038 Inorganic Chemical 9 of 64 results Jan 30, 2019 Feb 13, 2025
Nitrate 1040 Inorganic Chemical 9 of 64 results Jan 30, 2019 Feb 13, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Feb 9, 2021 Nov 4, 2024
Dibromochloromethane 2944 Organic Chemical 6 of 73 results Oct 31, 2012 Sep 2, 2020
Vinyl Chloride 2976 Organic Chemical 6 of 148 results Apr 14, 2008 Feb 24, 2020
Gross Alpha, Excl. Radon & U 4000 Radionuclide 5 of 6 results Mar 22, 2012 Jun 11, 2012
Selenium 1045 Inorganic Chemical 5 of 31 results Feb 14, 2005 Jan 25, 2006
Monobromoacetic Acid 2453 Organic Chemical 4 of 67 results Mar 13, 2013 Feb 24, 2020
Carbon Tetrachloride 2982 Organic Chemical 4 of 148 results Jun 26, 2017 May 2, 2018
Dibromoacetic Acid 2454 Organic Chemical 3 of 67 results Nov 20, 2018 Sep 2, 2020
Combined Uranium 4006 Radionuclide 3 of 18 results Jun 11, 2012 Jun 11, 2012
Gross Alpha Particle Activity 4109 Radionuclide 2 of 6 results Mar 22, 2012 Mar 23, 2012
Dichloromethane 2964 Organic Chemical 2 of 148 results Jun 2, 2009 Jun 2, 2009
Nitrite 1041 Inorganic Chemical 1 of 64 results Dec 21, 2020 Dec 21, 2020
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 21 results Jun 11, 2012 Jun 11, 2012
Radium-226 4020 Radionuclide 1 of 21 results Jun 11, 2012 Jun 11, 2012
Radium-228 4030 Radionuclide 1 of 21 results Jun 11, 2012 Jun 11, 2012
Cyanide 1024 Inorganic Chemical 1 of 28 results Dec 12, 2005 Dec 12, 2005
Arsenic 1005 Inorganic Chemical 1 of 31 results Feb 14, 2005 Feb 14, 2005
Sulfate 1055 Inorganic Chemical 1 of 4 results Mar 12, 2002 Mar 12, 2002

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 321–330 of 708 samples, newest first — collected June 17, 2014 to July 21, 2014. The summary above covers all 708.

37 results from the 10 samples listed here: 13 detected, 24 not detected. Across the whole record it is 869 of 5,002. 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 Hermanville Water Association, every result from 321 to 330 of 708 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 21, 2014 03:14
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
140722-002VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Benzene 2990 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Toluene 2991 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 21, 2014 03:14, sampling point TF101 Styrene 2996 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Collected
Jul 7, 2014 01:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
140708-008CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 7, 2014 01:45, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jul 7, 2014 01:47
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
140708-007CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 7, 2014 01:47, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jun 17, 2014 07:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140618-050PB
Laboratory
MSDH Lab
0.0212 mg/l , sample collected Jun 17, 2014 07:18, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0012 mg/l , sample collected Jun 17, 2014 07:18, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 17, 2014 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140618-049PB
Laboratory
MSDH Lab
0.0804 mg/l , sample collected Jun 17, 2014 06:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0008 mg/l , sample collected Jun 17, 2014 06:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 17, 2014 06:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140618-048PB
Laboratory
MSDH Lab
0.2486 mg/l , sample collected Jun 17, 2014 06:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0006 mg/l , sample collected Jun 17, 2014 06:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 17, 2014 07:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140618-047PB
Laboratory
MSDH Lab
0.0587 mg/l , sample collected Jun 17, 2014 07:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0029 mg/l , sample collected Jun 17, 2014 07:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 17, 2014 07:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140618-046PB
Laboratory
MSDH Lab
0.0279 mg/l , sample collected Jun 17, 2014 07:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 17, 2014 07:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 17, 2014 07:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140618-044PB
Laboratory
MSDH Lab
0.2095 mg/l , sample collected Jun 17, 2014 07:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0006 mg/l , sample collected Jun 17, 2014 07:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 17, 2014 09:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140618-043PB
Laboratory
MSDH Lab
0.0049 mg/l , sample collected Jun 17, 2014 09:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0008 mg/l , sample collected Jun 17, 2014 09:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014

Routine (10).