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
MS0710001 , Town of Belmont
17 of the 57 analytes this system has been tested for have been detected at least once, across 319 samples on record.
The other 40 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 319 samples on record, detections range from October 29, 2003 to November 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.
| Analyte | Kind | Detected in | First detected | Last detected |
|---|---|---|---|---|
| Copper, Free 1022 | Inorganic Chemical | 226 of 229 results | Aug 16, 2007 | Aug 25, 2025 |
| Lead 1030 | Inorganic Chemical | 116 of 229 results | Aug 16, 2007 | Aug 25, 2025 |
| TTHM 2950 | Organic Chemical | 11 of 20 results | Aug 23, 2004 | Nov 18, 2025 |
| Barium 1010 | Inorganic Chemical | 10 of 10 results | Oct 29, 2003 | Mar 31, 2025 |
| Nickel 1036 | Inorganic Chemical | 7 of 10 results | Oct 29, 2003 | Mar 31, 2025 |
| Chloroform 2941 | Organic Chemical | 6 of 15 results | Aug 22, 2016 | Nov 18, 2025 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 5 of 21 results | Sep 10, 2007 | Jul 8, 2024 |
| Gross Alpha, Incl. Radon & U 4002 | Radionuclide | 5 of 5 results | Dec 12, 2011 | Jul 17, 2012 |
| Chromium 1020 | Inorganic Chemical | 2 of 10 results | Oct 29, 2003 | Mar 31, 2025 |
| Sodium 1052 | Inorganic Chemical | 2 of 2 results | Sep 17, 2019 | Mar 27, 2023 |
| Bromodichloromethane 2943 | Organic Chemical | 1 of 15 results | Aug 21, 2025 | Aug 21, 2025 |
| Monobromoacetic Acid 2453 | Organic Chemical | 1 of 15 results | Oct 27, 2020 | Oct 27, 2020 |
| Nitrite 1041 | Inorganic Chemical | 1 of 21 results | May 18, 2020 | May 18, 2020 |
| Xylenes, Total 2955 | Organic Chemical | 1 of 7 results | Sep 6, 2016 | Sep 6, 2016 |
| Dichloroacetic Acid 2451 | Organic Chemical | 1 of 15 results | Aug 22, 2016 | Aug 22, 2016 |
| Selenium 1045 | Inorganic Chemical | 1 of 10 results | Mar 1, 2010 | Mar 1, 2010 |
| Cadmium 1015 | Inorganic Chemical | 1 of 10 results | Oct 29, 2003 | Oct 29, 2003 |
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 161–170 of 319 samples, newest first — collected June 25, 2012 to July 16, 2012. The summary above covers all 319.
19 results from the 10 samples listed here: 15 detected, 4 not detected. Across the whole record it is 397 of 993. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.
| Result | Analyte | Monitoring period |
|---|---|---|
|
||
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 16, 2012 14:00, sampling point TF080 | Combined Uranium 4006 EPA method 200.8 | Jul 1, 2012 – Sep 30, 2012 |
|
||
| 0.0201 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
| 0.0007 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
|
||
| 0.229 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2012, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
|
||
| 0.0419 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2012, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
|
||
| 0.1903 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
| 0.0012 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
|
||
| 0.4123 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
| 0.0027 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
|
||
| 0.03 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
| 0.0228 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
|
||
| 0.3694 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
| 0.0006 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
|
||
| 0.0349 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
| 0.0006 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
|
||
| 0.0136 mg/l , sample collected Jun 25, 2012, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2012, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2012 |
-
- Collected
- Jul 16, 2012 14:00
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 120717-023RU
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2012 – Sep 30, 2012
-
Combined Uranium 4006 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jun 25, 2012
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 120627-009PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2012
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0201 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0007 mg/l
-
- Collected
- Jun 25, 2012
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 120627-010PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2012
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.229 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jun 25, 2012
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 120627-008PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2012
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0419 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jun 25, 2012
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 120627-007PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2012
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.1903 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0012 mg/l
-
- Collected
- Jun 25, 2012
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 120627-006PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2012
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.4123 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0027 mg/l
-
- Collected
- Jun 25, 2012
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 120627-005PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2012
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.03 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0228 mg/l
-
- Collected
- Jun 25, 2012
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 120627-004PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2012
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.3694 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0006 mg/l
-
- Collected
- Jun 25, 2012
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 120627-002PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2012
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0349 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0006 mg/l
-
- Collected
- Jun 25, 2012
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 120627-003PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2012
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0136 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
Routine (10).