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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

MS0230063 , Standard Dedeaux Water Association

38 of the 71 analytes this system has been tested for have been detected at least once, across 419 samples on record.

The other 33 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 419 samples on record, detections range from February 7, 2005 to March 18, 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 Standard Dedeaux 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 182 of 182 results Jun 30, 2005 Jul 23, 2024
Lead 1030 Inorganic Chemical 72 of 182 results Jun 30, 2005 Jul 23, 2024
Barium 1010 Inorganic Chemical 23 of 23 results Mar 7, 2005 Feb 4, 2025
Fluoride 1025 Inorganic Chemical 23 of 25 results Mar 7, 2005 Feb 4, 2025
Chromium 1020 Inorganic Chemical 12 of 23 results Mar 7, 2005 Feb 4, 2025
Sodium 1052 Inorganic Chemical 11 of 11 results Nov 20, 2008 Jan 29, 2024
Nickel 1036 Inorganic Chemical 10 of 23 results Mar 7, 2005 Apr 7, 2014
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 15 results Mar 5, 2012 Oct 3, 2012
Xylenes, Total 2955 Organic Chemical 10 of 72 results Feb 21, 2006 Oct 18, 2010
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 9 of 9 results Jun 11, 2007 Mar 18, 2025
TTHM 2950 Organic Chemical 9 of 9 results Jun 11, 2007 Mar 18, 2025
Chloroform 2941 Organic Chemical 5 of 5 results Jun 11, 2007 Jul 23, 2018
Dichloroacetic Acid 2451 Organic Chemical 4 of 4 results Jun 23, 2008 Jul 23, 2018
Trichloroacetic Acid 2452 Organic Chemical 4 of 4 results Jun 23, 2008 Jul 23, 2018
Bromodichloromethane 2943 Organic Chemical 4 of 5 results Jun 23, 2008 Jul 23, 2018
Dibromochloromethane 2944 Organic Chemical 4 of 5 results Jun 23, 2008 Jul 23, 2018
Selenium 1045 Inorganic Chemical 4 of 23 results Mar 7, 2005 Nov 3, 2008
Calcium 1016 Inorganic Chemical 2 of 2 results Nov 20, 2008 Jul 20, 2017
Manganese 1032 Inorganic Chemical 2 of 2 results Nov 20, 2008 Jul 20, 2017
Potassium 1042 Inorganic Chemical 2 of 2 results Nov 20, 2008 Jul 20, 2017
Sulfate 1055 Inorganic Chemical 2 of 2 results Nov 20, 2008 Jul 20, 2017
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Nov 20, 2008 Jul 20, 2017
Alkalinity, Caco3 Stability 1067 Water Quality 2 of 2 results Nov 20, 2008 Jul 20, 2017
Carbon Dioxide 1901 Water Quality 2 of 2 results Nov 20, 2008 Jul 20, 2017
Color 1905 Water Quality 2 of 2 results Nov 20, 2008 Jul 20, 2017
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results Nov 20, 2008 Jul 20, 2017
Alkalinity, Total 1927 Water Quality 2 of 2 results Nov 20, 2008 Jul 20, 2017
Calculated Sodium NACA Water Quality 2 of 2 results Nov 20, 2008 Jul 20, 2017
PH, Field Result PHFD Water Quality 2 of 2 results Nov 20, 2008 Jul 20, 2017
Dibromoacetic Acid 2454 Organic Chemical 2 of 4 results Jul 17, 2012 Jun 22, 2015
Monobromoacetic Acid 2453 Organic Chemical 1 of 4 results Jul 23, 2018 Jul 23, 2018
Chloride 1017 Inorganic Chemical 1 of 2 results Jul 20, 2017 Jul 20, 2017
Iron 1028 Inorganic Chemical 1 of 2 results Jul 20, 2017 Jul 20, 2017
Magnesium 1031 Inorganic Chemical 1 of 2 results Jul 20, 2017 Jul 20, 2017
Monochloroacetic Acid 2450 Organic Chemical 1 of 4 results Jun 23, 2008 Jun 23, 2008
Arsenic 1005 Inorganic Chemical 1 of 23 results Apr 7, 2008 Apr 7, 2008
Ethylbenzene 2992 Organic Chemical 1 of 72 results Feb 21, 2006 Feb 21, 2006
Dichloromethane 2964 Organic Chemical 1 of 72 results Feb 7, 2005 Feb 7, 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 61–70 of 419 samples, newest first — collected July 7, 2021 to July 7, 2021. The summary above covers all 419.

20 results from the 10 samples listed here: 13 detected, 7 not detected. Across the whole record it is 430 of 2,516. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 2 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Standard Dedeaux Water Association, every result from 61 to 70 of 419 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 7, 2021 05:13
Sampling point
DS000
Sample type
Routine
Lab sample
PB-210709-069
Laboratory
MSDH Lab
0.0092 mg/l , sample collected Jul 7, 2021 05:13, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.6 ug/l , sample collected Jul 7, 2021 05:13, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jul 7, 2021 12:00
Sampling point
DS000
Sample type
Routine
Lab sample
PB-210709-068
Laboratory
MSDH Lab
0.119 mg/l , sample collected Jul 7, 2021 12:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 7, 2021 12:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jul 7, 2021 06:30
Sampling point
DS000
Sample type
Routine
Lab sample
PB-210709-067
Laboratory
MSDH Lab
0.0111 mg/l , sample collected Jul 7, 2021 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.9 ug/l , sample collected Jul 7, 2021 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jul 7, 2021 07:15
Sampling point
DS000
Sample type
Routine
Lab sample
PB-210709-066
Laboratory
MSDH Lab
0.0644 mg/l , sample collected Jul 7, 2021 07:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 7, 2021 07:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jul 7, 2021 08:30
Sampling point
DS000
Sample type
Routine
Lab sample
PB-210709-065
Laboratory
MSDH Lab
0.0736 mg/l , sample collected Jul 7, 2021 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
1 ug/l , sample collected Jul 7, 2021 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jul 7, 2021 07:00
Sampling point
DS000
Sample type
Routine
Lab sample
PB-210709-063
Laboratory
MSDH Lab
0.0044 mg/l , sample collected Jul 7, 2021 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 7, 2021 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jul 7, 2021 04:30
Sampling point
DS000
Sample type
Routine
Lab sample
PB-210709-043
Laboratory
MSDH Lab
0.0581 mg/l , sample collected Jul 7, 2021 04:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 7, 2021 04:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jul 7, 2021 06:40
Sampling point
DS000
Sample type
Routine
Lab sample
PB-210709-042
Laboratory
MSDH Lab
0.0138 mg/l , sample collected Jul 7, 2021 06:40, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 7, 2021 06:40, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jul 7, 2021 07:30
Sampling point
LC0024 Location withheld
Sample type
Routine
Lab sample
PB-210709-041
Laboratory
MSDH Lab
0.0576 mg/l , sample collected Jul 7, 2021 07:30, sampling point LC0024 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 7, 2021 07:30, sampling point LC0024 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jul 7, 2021 06:15
Sampling point
LC0021 Location withheld
Sample type
Routine
Lab sample
PB-210709-040
Laboratory
MSDH Lab
0.104 mg/l , sample collected Jul 7, 2021 06:15, sampling point LC0021 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 7, 2021 06:15, sampling point LC0021 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021

Routine (10).