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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

MS0480011 , Quincy Water Association #1

18 of the 57 analytes this system has been tested for have been detected at least once, across 230 samples on record.

The other 39 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 230 samples on record, detections range from October 8, 2003 to June 22, 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 Quincy Water Association #1, 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 136 of 140 results Sep 6, 2007 Sep 4, 2024
TTHM 2950 Organic Chemical 12 of 20 results Aug 29, 2007 Jun 22, 2026
Barium 1010 Inorganic Chemical 10 of 10 results Oct 8, 2003 Mar 12, 2025
Beryllium, Total 1075 Inorganic Chemical 8 of 10 results Oct 8, 2003 Mar 12, 2025
Lead 1030 Inorganic Chemical 8 of 140 results Sep 6, 2007 Aug 24, 2021
Chloroform 2941 Organic Chemical 7 of 15 results Aug 14, 2013 Jun 22, 2026
Bromodichloromethane 2943 Organic Chemical 7 of 15 results Aug 14, 2013 Jun 22, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 20 results Aug 29, 2007 Jul 5, 2023
Nickel 1036 Inorganic Chemical 6 of 10 results Mar 8, 2006 Mar 12, 2025
Dibromochloromethane 2944 Organic Chemical 5 of 15 results Mar 21, 2024 Jun 22, 2026
Gross Alpha Particle Activity 4109 Radionuclide 4 of 4 results Sep 6, 2011 Apr 11, 2012
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 23, 2019 Mar 3, 2025
Chromium 1020 Inorganic Chemical 3 of 10 results Jul 18, 2012 May 8, 2019
Dichloroacetic Acid 2451 Organic Chemical 2 of 14 results Aug 14, 2013 Oct 1, 2020
Fluoride 1025 Inorganic Chemical 2 of 10 results Jul 18, 2012 May 8, 2019
Selenium 1045 Inorganic Chemical 2 of 10 results Apr 4, 2005 Jan 20, 2010
Sulfate 1055 Inorganic Chemical 2 of 2 results Oct 8, 2003 Mar 8, 2004
Cadmium 1015 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 11–20 of 230 samples, newest first — collected August 20, 2024 to September 4, 2024. The summary above covers all 230.

20 results from the 10 samples listed here: 10 detected, 10 not detected. Across the whole record it is 225 of 809. 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 10 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 Quincy Water Association #1, every result from 11 to 20 of 230 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 4, 2024 08:30
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-240905-011
Laboratory
MSDH Lab
0.0005 mg/l , sample collected Sep 4, 2024 08:30, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 4, 2024 08:30, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Sep 4, 2024 05:00
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-240905-012
Laboratory
MSDH Lab
0.0079 mg/l , sample collected Sep 4, 2024 05:00, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 4, 2024 05:00, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 20, 2024 10:05
Sampling point
LC0027 Location withheld
Sample type
Routine
Lab sample
PB-240821-058
Laboratory
MSDH Lab
0.0024 mg/l , sample collected Aug 20, 2024 10:05, sampling point LC0027 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 20, 2024 10:05, sampling point LC0027 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 20, 2024 07:50
Sampling point
LC0037 Location withheld
Sample type
Routine
Lab sample
PB-240821-057
Laboratory
MSDH Lab
0.0039 mg/l , sample collected Aug 20, 2024 07:50, sampling point LC0037 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 20, 2024 07:50, sampling point LC0037 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 20, 2024 07:50
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-240821-056
Laboratory
MSDH Lab
0.0048 mg/l , sample collected Aug 20, 2024 07:50, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 20, 2024 07:50, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 20, 2024 06:00
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-240821-055
Laboratory
MSDH Lab
0.008 mg/l , sample collected Aug 20, 2024 06:00, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 20, 2024 06:00, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 20, 2024 06:00
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-240821-054
Laboratory
MSDH Lab
0.0028 mg/l , sample collected Aug 20, 2024 06:00, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 20, 2024 06:00, sampling point LC0011 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 20, 2024 06:56
Sampling point
LC0013 Location withheld
Sample type
Routine
Lab sample
PB-240821-050
Laboratory
MSDH Lab
0.0032 mg/l , sample collected Aug 20, 2024 06:56, sampling point LC0013 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 20, 2024 06:56, sampling point LC0013 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 20, 2024 04:30
Sampling point
LC0017 Location withheld
Sample type
Routine
Lab sample
PB-240821-053
Laboratory
MSDH Lab
0.0036 mg/l , sample collected Aug 20, 2024 04:30, sampling point LC0017 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 20, 2024 04:30, sampling point LC0017 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Aug 20, 2024 05:00
Sampling point
LC0019 Location withheld
Sample type
Routine
Lab sample
PB-240821-049
Laboratory
MSDH Lab
0.0049 mg/l , sample collected Aug 20, 2024 05:00, sampling point LC0019 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 20, 2024 05:00, sampling point LC0019 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024

Routine (10).