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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

MS0380009 , Toomsuba Water Association

43 of the 73 analytes this system has been tested for have been detected at least once, across 404 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 404 samples on record, detections range from September 29, 2003 to July 8, 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 Toomsuba 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 132 of 132 results Aug 29, 2007 Jul 31, 2024
Lead 1030 Inorganic Chemical 42 of 132 results Aug 30, 2007 Jul 30, 2024
Barium 1010 Inorganic Chemical 41 of 41 results Sep 29, 2003 Jul 8, 2026
Fluoride 1025 Inorganic Chemical 28 of 44 results Sep 29, 2003 Jul 8, 2026
TTHM 2950 Organic Chemical 18 of 22 results Jun 23, 2004 Jun 9, 2026
Chromium 1020 Inorganic Chemical 15 of 41 results Sep 29, 2003 Apr 9, 2025
Nickel 1036 Inorganic Chemical 14 of 38 results Mar 3, 2004 Apr 9, 2025
Chloroform 2941 Organic Chemical 11 of 16 results Aug 28, 2018 Jun 9, 2026
Bromodichloromethane 2943 Organic Chemical 11 of 16 results Aug 28, 2018 Jun 9, 2026
Dibromochloromethane 2944 Organic Chemical 11 of 16 results Aug 28, 2018 Jun 9, 2026
Sodium 1052 Inorganic Chemical 10 of 10 results May 14, 2010 Feb 11, 2025
Sulfate 1055 Inorganic Chemical 9 of 9 results Sep 29, 2003 May 14, 2010
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 21 results Aug 15, 2007 Apr 9, 2025
Bromoform 2942 Organic Chemical 6 of 16 results Mar 11, 2024 Jun 9, 2026
Xylenes, Total 2955 Organic Chemical 4 of 59 results Feb 11, 2004 Aug 11, 2021
Gross Alpha Particle Activity 4109 Radionuclide 4 of 12 results Aug 29, 2011 Apr 5, 2012
Nitrite 1041 Inorganic Chemical 3 of 67 results Feb 21, 2011 Feb 21, 2011
Calcium 1016 Inorganic Chemical 3 of 3 results May 14, 2010 May 14, 2010
Chloride 1017 Inorganic Chemical 3 of 3 results May 14, 2010 May 14, 2010
Iron 1028 Inorganic Chemical 3 of 3 results May 14, 2010 May 14, 2010
Magnesium 1031 Inorganic Chemical 3 of 3 results May 14, 2010 May 14, 2010
Manganese 1032 Inorganic Chemical 3 of 3 results May 14, 2010 May 14, 2010
Potassium 1042 Inorganic Chemical 3 of 3 results May 14, 2010 May 14, 2010
Residue, Total, Filterable 1057 Water Quality 3 of 3 results May 14, 2010 May 14, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results May 14, 2010 May 14, 2010
Carbon Dioxide 1901 Water Quality 3 of 3 results May 14, 2010 May 14, 2010
Hardness, Total (As Caco3) 1915 Water Quality 3 of 3 results May 14, 2010 May 14, 2010
Alkalinity, Total 1927 Water Quality 3 of 3 results May 14, 2010 May 14, 2010
Iron, Field Result FEFD Inorganic Chemical 3 of 3 results May 14, 2010 May 14, 2010
Calculated Sodium NACA Water Quality 3 of 3 results May 14, 2010 May 14, 2010
PH, Field Result PHFD Water Quality 3 of 3 results May 14, 2010 May 14, 2010
Dichloromethane 2964 Organic Chemical 3 of 59 results Aug 12, 2004 Aug 12, 2004
Dichloroacetic Acid 2451 Organic Chemical 2 of 15 results Aug 14, 2019 Jun 5, 2024
Monobromoacetic Acid 2453 Organic Chemical 2 of 15 results Aug 14, 2019 Sep 15, 2020
Color 1905 Water Quality 2 of 2 results May 14, 2010 May 14, 2010
Selenium 1045 Inorganic Chemical 2 of 41 results Mar 3, 2004 Mar 28, 2005
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 9 results Jun 10, 2020 Jun 10, 2020
Radium-226 4020 Radionuclide 1 of 13 results Jun 10, 2020 Jun 10, 2020
Radium-228 4030 Radionuclide 1 of 13 results Jun 10, 2020 Jun 10, 2020
Trichloroacetic Acid 2452 Organic Chemical 1 of 15 results Aug 14, 2019 Aug 14, 2019
Dibromoacetic Acid 2454 Organic Chemical 1 of 15 results Aug 14, 2019 Aug 14, 2019
PH 1925 Water Quality 1 of 1 result May 14, 2010 May 14, 2010
Arsenic 1005 Inorganic Chemical 1 of 41 results Mar 3, 2004 Mar 3, 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 331–340 of 404 samples, newest first — collected August 30, 2007 to August 30, 2007. The summary above covers all 404.

20 results from the 10 samples listed here: 17 detected, 3 not detected. Across the whole record it is 427 of 2,499. 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 Toomsuba Water Association, every result from 331 to 340 of 404 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
Aug 30, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070831-167PB
Laboratory
MSDH Lab
1.0257 mg/l , sample collected Aug 30, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.001 mg/l , sample collected Aug 30, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 30, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070831-166PB
Laboratory
MSDH Lab
0.4419 mg/l , sample collected Aug 30, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.001 mg/l , sample collected Aug 30, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 30, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070831-165PB
Laboratory
MSDH Lab
0.6425 mg/l , sample collected Aug 30, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 30, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 30, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070831-164PB
Laboratory
MSDH Lab
0.1692 mg/l , sample collected Aug 30, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0031 mg/l , sample collected Aug 30, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 30, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070831-163PB
Laboratory
MSDH Lab
0.5816 mg/l , sample collected Aug 30, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0013 mg/l , sample collected Aug 30, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 30, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070831-162PB
Laboratory
MSDH Lab
0.2257 mg/l , sample collected Aug 30, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 30, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 30, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070831-161PB
Laboratory
MSDH Lab
0.0914 mg/l , sample collected Aug 30, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0009 mg/l , sample collected Aug 30, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 30, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070831-160PB
Laboratory
MSDH Lab
0.3859 mg/l , sample collected Aug 30, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 30, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 30, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070831-159PB
Laboratory
MSDH Lab
0.0541 mg/l , sample collected Aug 30, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0017 mg/l , sample collected Aug 30, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 30, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070831-158PB
Laboratory
MSDH Lab
0.8114 mg/l , sample collected Aug 30, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0006 mg/l , sample collected Aug 30, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007

Routine (10).