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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

MS0510009 , City of Newton

20 of the 56 analytes this system has been tested for have been detected at least once, across 350 samples on record.

The other 36 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 350 samples on record, detections range from October 15, 2003 to June 30, 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 City of Newton, 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 261 of 261 results Jun 17, 2004 Sep 14, 2023
Lead 1030 Inorganic Chemical 203 of 261 results Jun 17, 2004 Sep 14, 2023
TTHM 2950 Organic Chemical 18 of 18 results Jul 19, 2004 Nov 19, 2025
Chloroform 2941 Organic Chemical 13 of 13 results Sep 26, 2007 Nov 19, 2025
Bromodichloromethane 2943 Organic Chemical 13 of 13 results Sep 26, 2007 Nov 19, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 13 of 18 results Aug 28, 2007 Aug 12, 2025
Dibromochloromethane 2944 Organic Chemical 12 of 13 results Sep 26, 2007 Nov 19, 2025
Fluoride 1025 Inorganic Chemical 11 of 11 results Oct 15, 2003 Jun 30, 2026
Barium 1010 Inorganic Chemical 10 of 10 results Oct 15, 2003 Mar 17, 2025
Dichloroacetic Acid 2451 Organic Chemical 8 of 12 results Jun 14, 2010 Aug 12, 2025
Trichloroacetic Acid 2452 Organic Chemical 8 of 12 results Jun 14, 2010 Aug 12, 2025
Nickel 1036 Inorganic Chemical 8 of 10 results Mar 10, 2004 Mar 17, 2025
Chromium 1020 Inorganic Chemical 5 of 10 results Oct 15, 2003 May 6, 2019
Gross Alpha Particle Activity 4109 Radionuclide 4 of 4 results Sep 6, 2011 Apr 2, 2012
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 18, 2019 Feb 24, 2025
Dibromoacetic Acid 2454 Organic Chemical 2 of 12 results Aug 19, 2013 Jul 11, 2016
Sulfate 1055 Inorganic Chemical 2 of 2 results Oct 15, 2003 Mar 10, 2004
Arsenic 1005 Inorganic Chemical 1 of 10 results Apr 4, 2005 Apr 4, 2005
Cadmium 1015 Inorganic Chemical 1 of 10 results Apr 4, 2005 Apr 4, 2005
Selenium 1045 Inorganic Chemical 1 of 10 results Apr 4, 2005 Apr 4, 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 31–40 of 350 samples, newest first — collected June 21, 2023 to September 14, 2023. The summary above covers all 350.

18 results from the 10 samples listed here: 12 detected, 6 not detected. Across the whole record it is 597 of 1,022. 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 6 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 City of Newton, every result from 31 to 40 of 350 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
Sep 14, 2023 09:30
Sampling point
LC0053 Location withheld
Sample type
Routine
Lab sample
PB-230915-036
Laboratory
MSDH Lab
0.0142 mg/l , sample collected Sep 14, 2023 09:30, sampling point LC0053 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 14, 2023 09:30, sampling point LC0053 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 14, 2023 09:15
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-230915-033
Laboratory
MSDH Lab
0.00466 mg/l , sample collected Sep 14, 2023 09:15, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 14, 2023 09:15, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 14, 2023 07:00
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-230915-031
Laboratory
MSDH Lab
0.0667 mg/l , sample collected Sep 14, 2023 07:00, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.512 ug/l , sample collected Sep 14, 2023 07:00, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 14:46
Sampling point
LC0039 Location withheld
Sample type
Routine
Lab sample
PB-230915-044
Laboratory
MSDH Lab
0.162 mg/l , sample collected Sep 13, 2023 14:46, sampling point LC0039 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 13, 2023 14:46, sampling point LC0039 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 09:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230915-054
Laboratory
MSDH Lab
0.0046 mg/l , sample collected Sep 13, 2023 09:21, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 13, 2023 09:21, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 07:00
Sampling point
LC0026 Location withheld
Sample type
Routine
Lab sample
PB-230915-048
Laboratory
MSDH Lab
0.163 mg/l , sample collected Sep 13, 2023 07:00, sampling point LC0026 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.936 ug/l , sample collected Sep 13, 2023 07:00, sampling point LC0026 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 07:45
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-230915-045
Laboratory
MSDH Lab
0.00922 mg/l , sample collected Sep 13, 2023 07:45, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 13, 2023 07:45, sampling point LC0012 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 06:36
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230915-035
Laboratory
MSDH Lab
0.17 mg/l , sample collected Sep 13, 2023 06:36, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 13, 2023 06:36, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jun 21, 2023 10:40
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230622-006
Laboratory
MSDH Lab
9.83 ug/l , sample collected Jun 21, 2023 10:40, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Jun 21, 2023 10:40
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230622-006
Laboratory
MSDH Lab
3.89 ug/l , sample collected Jun 21, 2023 10:40, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded

Routine (10).