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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

MS0170001 , Belmont Water Association

24 of the 58 analytes this system has been tested for have been detected at least once, across 260 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 260 samples on record, detections range from August 24, 1993 to November 19, 2025. These figures cover the whole record; the list of samples further down is narrowed.

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 Belmont 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 112 of 145 results Aug 24, 1993 Aug 21, 2025
Lead 1030 Inorganic Chemical 55 of 145 results Aug 24, 1993 Jul 7, 2022
Barium 1010 Inorganic Chemical 12 of 12 results Apr 16, 2002 Feb 4, 2025
Fluoride 1025 Inorganic Chemical 12 of 12 results Apr 16, 2002 Feb 4, 2025
TTHM 2950 Organic Chemical 10 of 25 results May 17, 2004 Nov 19, 2025
Nitrate 1040 Inorganic Chemical 7 of 23 results May 3, 2004 Apr 13, 2021
Dibromochloromethane 2944 Organic Chemical 6 of 19 results Aug 30, 2011 Nov 19, 2025
Chromium 1020 Inorganic Chemical 6 of 12 results Apr 16, 2002 Oct 2, 2018
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 25 results Jul 9, 2007 Jul 25, 2018
Nickel 1036 Inorganic Chemical 6 of 12 results Apr 16, 2002 Apr 16, 2014
Nitrate-Nitrite 1038 Inorganic Chemical 5 of 23 results Mar 21, 2016 Apr 13, 2021
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 8, 2011 Jul 19, 2012
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 23, 2019 Oct 14, 2024
Bromodichloromethane 2943 Organic Chemical 3 of 19 results Aug 30, 2011 Feb 28, 2024
Selenium 1045 Inorganic Chemical 3 of 12 results Jan 26, 2004 Jan 23, 2006
Bromoform 2942 Organic Chemical 2 of 19 results Nov 25, 2024 Nov 25, 2024
Dichloroacetic Acid 2451 Organic Chemical 2 of 17 results Aug 30, 2011 Aug 20, 2014
Cadmium 1015 Inorganic Chemical 2 of 12 results Mar 2, 2005 Jan 23, 2006
Sulfate 1055 Inorganic Chemical 2 of 3 results Sep 10, 2003 Jan 26, 2004
Monochloroacetic Acid 2450 Organic Chemical 1 of 17 results Jul 25, 2018 Jul 25, 2018
Xylenes, Total 2955 Organic Chemical 1 of 18 results Jul 18, 2012 Jul 18, 2012
Thallium, Total 1085 Inorganic Chemical 1 of 12 results Nov 28, 2011 Nov 28, 2011
Chloroform 2941 Organic Chemical 1 of 19 results Aug 30, 2011 Aug 30, 2011
Arsenic 1005 Inorganic Chemical 1 of 12 results Apr 2, 2008 Apr 2, 2008

Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The table below lists 21–21 of 21 samples, newest first — collected October 14, 2024 to October 14, 2024. The summary above covers all 21.

1 result from the 1 sample listed here: 1 detected, 0 not detected. 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 Belmont Water Association, every result from 21 to 21 of 21 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
Oct 14, 2024 14:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-241015-031
Laboratory
MSDH Lab
10 mg/l , sample collected Oct 14, 2024 14:00, sampling point TF080 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024

Routine (1).