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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 713 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 713 samples on record, detections range from October 19, 1993 to September 16, 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 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 112 results Sep 13, 2004 Jul 26, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 85 of 114 results Sep 13, 2004 Jul 16, 2024
Chloroform 2941 Organic Chemical 62 of 74 results May 15, 2006 Sep 2, 2020
Bromodichloromethane 2943 Organic Chemical 55 of 74 results May 15, 2006 Sep 2, 2020
Dichloroacetic Acid 2451 Organic Chemical 47 of 68 results Mar 9, 2009 Sep 2, 2020
Trichloroacetic Acid 2452 Organic Chemical 36 of 68 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 68 results Sep 8, 2009 Sep 2, 2020
Nitrate-Nitrite 1038 Inorganic Chemical 12 of 67 results Jan 30, 2019 Sep 16, 2026
Nitrate 1040 Inorganic Chemical 12 of 67 results Jan 30, 2019 Sep 16, 2026
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
Sodium 1052 Inorganic Chemical 6 of 6 results Feb 9, 2021 Nov 4, 2024
Dibromochloromethane 2944 Organic Chemical 6 of 74 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 68 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 68 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 67 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 411–420 of 713 samples, newest first — collected April 5, 2012 to June 11, 2012. The summary above covers all 713.

53 results from the 10 samples listed here: 7 detected, 46 not detected. Across the whole record it is 875 of 5,022. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Units in this table

Combined Uranium is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Chemical and radiological sample results for Hermanville Water Association, every result from 411 to 420 of 713 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 11, 2012 07:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
306550004
Laboratory
Gel Laboratories
0.1 pci/l The agency recorded which kind of limit this result was below, but stored nothing as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Jun 11, 2012 07:15, sampling point TF101 Gross Alpha, Excl. Radon & U 4000 Apr 1, 2012 – Jun 30, 2012
0.151 ug/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Jun 11, 2012 07:15, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.426 pci/l Minimum Reporting Level , sample collected Jun 11, 2012 07:15, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.426 pci/l Minimum Reporting Level , sample collected Jun 11, 2012 07:15, sampling point TF101 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.374 pci/l Minimum Reporting Level , sample collected Jun 11, 2012 07:15, sampling point TF101 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Not detected below 2.79 pci/l Minimum Reporting Level , sample collected Jun 11, 2012 07:15, sampling point TF101 Gross Alpha Particle Activity 4109 EPA method 900.0 Apr 1, 2012 – Jun 30, 2012
Collected
May 15, 2012 18:55
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120517-036
Laboratory
Radiation Safety Engineering
0.9 pci/l , sample collected May 15, 2012 18:55, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.51 pci/l Minimum Reporting Level , sample collected May 15, 2012 18:55, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.402 pci/l Minimum Reporting Level , sample collected May 15, 2012 18:55, sampling point TF101 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.51 pci/l Minimum Reporting Level , sample collected May 15, 2012 18:55, sampling point TF101 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
May 15, 2012 18:22
Sampling point
TF103
Sample type
Routine
Lab sample
120517-023
Laboratory
Radiation Safety Engineering
0.7 pci/l , sample collected May 15, 2012 18:22, sampling point TF103 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.23 pci/l Minimum Reporting Level , sample collected May 15, 2012 18:22, sampling point TF103 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.23 pci/l Minimum Reporting Level , sample collected May 15, 2012 18:22, sampling point TF103 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.22 pci/l Minimum Reporting Level , sample collected May 15, 2012 18:22, sampling point TF103 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
May 15, 2012 18:35
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120517-037
Laboratory
Radiation Safety Engineering
0.5 pci/l , sample collected May 15, 2012 18:35, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.21 pci/l Minimum Reporting Level , sample collected May 15, 2012 18:35, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.183 pci/l Minimum Reporting Level , sample collected May 15, 2012 18:35, sampling point TF102 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.21 pci/l Minimum Reporting Level , sample collected May 15, 2012 18:35, sampling point TF102 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
May 15, 2012 18:35
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120517-037RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 15, 2012 18:35, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
May 15, 2012 18:55
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120517-036RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 15, 2012 18:55, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
May 15, 2012 18:22
Sampling point
TF103
Sample type
Routine
Lab sample
120517-023RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 15, 2012 18:22, sampling point TF103 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 18, 2012 12:20
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
120419-004TH
Laboratory
MSDH Lab
7.33 ug/l , sample collected Apr 18, 2012 12:20, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Apr 18, 2012 12:20, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Apr 18, 2012 12:20, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Apr 18, 2012 12:20, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
7.33 ug/l , sample collected Apr 18, 2012 12:20, sampling point MRT000 TTHM 2950 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 18, 2012 12:20
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
120419-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Apr 18, 2012 12:20, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 18, 2012 12:20, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 18, 2012 12:20, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 18, 2012 12:20, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 18, 2012 12:20, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Apr 18, 2012 12:20, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 5, 2012 08:34
Sampling point
TF103
Sample type
Routine
Lab sample
120406-007VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Benzene 2990 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Toluene 2991 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2012 08:34, sampling point TF103 Styrene 2996 EPA method 524.2 Apr 1, 2012 – Jun 30, 2012

Routine (10).