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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; 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 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

Showing samples collected between September 25, 2024 and September 25, 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 8 samples collected between September 25, 2024 and September 25, 2026 are listed below, newest first.

60 results from the 8 samples listed here: 14 detected, 46 not detected. 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 2 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 the 8 samples on record, 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
Jun 22, 2026 11:45
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-197045-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Jun 22, 2026 11:45, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026 11:45, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026 11:45, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026 11:45, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026 11:45, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Jun 22, 2026 11:45, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2026 – Dec 31, 2026
0.79 ug/l , sample collected Jun 22, 2026 11:45, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 22, 2026 11:45, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
0.67 ug/l , sample collected Jun 22, 2026 11:45, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
0.67 ug/l , sample collected Jun 22, 2026 11:45, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
2.13 ug/l , sample collected Jun 22, 2026 11:45, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2026 – Dec 31, 2026
Collected
Sep 30, 2025 11:05
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-251001-031
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 30, 2025 11:05, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Jun 18, 2025 14:55
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-152819-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Jun 18, 2025 14:55, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 18, 2025 14:55, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 18, 2025 14:55, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 18, 2025 14:55, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 18, 2025 14:55, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Jun 18, 2025 14:55, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Dec 31, 2025
0.51 ug/l , sample collected Jun 18, 2025 14:55, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 18, 2025 14:55, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
0.54 ug/l , sample collected Jun 18, 2025 14:55, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 18, 2025 14:55, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.05 ug/l , sample collected Jun 18, 2025 14:55, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Mar 12, 2025 13:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-250313-013
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 12, 2025 13:30, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0193 mg/l , sample collected Mar 12, 2025 13:30, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 12, 2025 13:30, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 12, 2025 13:30, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 12, 2025 13:30, sampling point TF080 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 12, 2025 13:30, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0018 mg/l , sample collected Mar 12, 2025 13:30, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 12, 2025 13:30, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 12, 2025 13:30, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0008 mg/l , sample collected Mar 12, 2025 13:30, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 12, 2025 13:30, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 12, 2025 13:25
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250313-222
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 12, 2025 13:25, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 12, 2025 13:25, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 12, 2025 13:25, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 3, 2025 13:45
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-250304-013
Laboratory
MSDH Lab
2.04 mg/l , sample collected Mar 3, 2025 13:45, sampling point TF080 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Dec 5, 2024 14:14
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-130691-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 14:14, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 14:14, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 14:14, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 14:14, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 14:14, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 14:14, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2024 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 14:14, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 14:14, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
0.54 ug/l , sample collected Dec 5, 2024 14:14, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
0.53 ug/l , sample collected Dec 5, 2024 14:14, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.07 ug/l , sample collected Dec 5, 2024 14:14, sampling point SM2 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024
Collected
Dec 5, 2024 13:47
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-130691-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 13:47, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 13:47, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 13:47, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 13:47, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 13:47, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 13:47, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2024 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 13:47, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 13:47, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 13:47, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 13:47, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 5, 2024 13:47, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024

Routine (8).