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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

MS0450006 , City of Canton

30 of the 64 analytes this system has been tested for have been detected at least once, across 559 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 559 samples on record, detections range from July 16, 2002 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 Canton, 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 245 of 246 results Jun 15, 2004 Sep 17, 2024
Lead 1030 Inorganic Chemical 152 of 246 results Jun 15, 2004 Sep 17, 2024
TTHM 2950 Organic Chemical 91 of 92 results Mar 9, 2004 Jun 30, 2026
Chloroform 2941 Organic Chemical 76 of 79 results May 25, 2006 Jun 30, 2026
Bromodichloromethane 2943 Organic Chemical 73 of 79 results May 25, 2006 Jun 30, 2026
Dibromochloromethane 2944 Organic Chemical 70 of 79 results May 25, 2006 Jun 30, 2026
Dichloroacetic Acid 2451 Organic Chemical 62 of 73 results Dec 4, 2007 Jun 30, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 62 of 91 results Mar 9, 2004 Jun 30, 2026
Trichloroacetic Acid 2452 Organic Chemical 43 of 73 results Feb 26, 2008 Jun 30, 2026
Monochloroacetic Acid 2450 Organic Chemical 22 of 73 results May 5, 2008 Jun 12, 2018
Barium 1010 Inorganic Chemical 21 of 21 results Jul 16, 2002 Mar 12, 2025
Fluoride 1025 Inorganic Chemical 21 of 22 results Jul 16, 2002 Jan 8, 2024
Chromium 1020 Inorganic Chemical 12 of 21 results Jul 16, 2002 Apr 28, 2020
Monobromoacetic Acid 2453 Organic Chemical 11 of 73 results Nov 4, 2008 Dec 15, 2020
Nickel 1036 Inorganic Chemical 10 of 21 results Jul 16, 2002 Mar 12, 2025
Sodium 1052 Inorganic Chemical 8 of 8 results Sep 18, 2019 Feb 26, 2025
Dibromoacetic Acid 2454 Organic Chemical 8 of 73 results Nov 4, 2008 Jun 27, 2016
Bromoform 2942 Organic Chemical 8 of 79 results May 10, 2007 May 5, 2008
Sulfate 1055 Inorganic Chemical 7 of 7 results Jul 16, 2002 Apr 14, 2021
Selenium 1045 Inorganic Chemical 3 of 21 results Jul 16, 2002 Mar 10, 2004
Calcium 1016 Inorganic Chemical 2 of 2 results Apr 14, 2021 Apr 14, 2021
Chloride 1017 Inorganic Chemical 2 of 2 results Apr 14, 2021 Apr 14, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 2 of 2 results Apr 14, 2021 Apr 14, 2021
Alkalinity, Total 1927 Water Quality 2 of 2 results Apr 14, 2021 Apr 14, 2021
Nitrate 1040 Inorganic Chemical 2 of 43 results Aug 15, 2005 Aug 21, 2006
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 7 results Sep 18, 2019 Sep 18, 2019
Radium-226 4020 Radionuclide 1 of 7 results Sep 18, 2019 Sep 18, 2019
Radium-228 4030 Radionuclide 1 of 7 results Sep 18, 2019 Sep 18, 2019
Arsenic 1005 Inorganic Chemical 1 of 21 results Mar 31, 2014 Mar 31, 2014
Gross Alpha Particle Activity 4109 Radionuclide 1 of 5 results Sep 10, 2013 Sep 10, 2013

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 41–50 of 559 samples, newest first — collected September 28, 2022 to May 23, 2024. The summary above covers all 559.

38 results from the 10 samples listed here: 10 detected, 28 not detected. Across the whole record it is 1,020 of 2,330. 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 City of Canton, every result from 41 to 50 of 559 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
May 23, 2024 10:20
Sampling point
SM5 Bact Site #18
Sample type
Routine
Lab sample
HA-240523-030
Laboratory
MSDH Lab
2.79 ug/l , sample collected May 23, 2024 10:20, sampling point SM5 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
May 23, 2024 10:20
Sampling point
SM5 Bact Site #18
Sample type
Routine
Lab sample
TH-240523-030
Laboratory
MSDH Lab
4.84 ug/l , sample collected May 23, 2024 10:20, sampling point SM5 TTHM 2950 EPA method 524.2 Not recorded
Collected
Mar 18, 2024 14:25
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-240318-009
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 18, 2024 14:25, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 18, 2024 14:25, sampling point TF081 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 18, 2024 14:25, sampling point TF081 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Mar 18, 2024 09:25
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-240318-010
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 18, 2024 09:25, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 18, 2024 09:25, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 18, 2024 09:25, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 8, 2024 14:05
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
IN-240109-005
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 14:05, sampling point TF081 Arsenic 1005 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
0.0151 mg/l , sample collected Jan 8, 2024 14:05, sampling point TF081 Barium 1010 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 14:05, sampling point TF081 Cadmium 1015 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 14:05, sampling point TF081 Chromium 1020 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
0.248 mg/l , sample collected Jan 8, 2024 14:05, sampling point TF081 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2022 – Dec 31, 2024
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 14:05, sampling point TF081 Mercury 1035 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
0.0007 mg/l , sample collected Jan 8, 2024 14:05, sampling point TF081 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 14:05, sampling point TF081 Selenium 1045 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 14:05, sampling point TF081 Antimony, Total 1074 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 14:05, sampling point TF081 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 14:05, sampling point TF081 Thallium, Total 1085 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
May 2, 2023 13:28
Sampling point
SM5 Bact Site #18
Sample type
Routine
Lab sample
TH-230502-023
Laboratory
MSDH Lab
42.4 ug/l , sample collected May 2, 2023 13:28, sampling point SM5 TTHM 2950 EPA method 524.2 Not recorded
Collected
May 2, 2023 13:28
Sampling point
SM5 Bact Site #18
Sample type
Routine
Lab sample
HA-230502-024
Laboratory
MSDH Lab
28.1 ug/l , sample collected May 2, 2023 13:28, sampling point SM5 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Mar 1, 2023 09:20
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-230301-118
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 1, 2023 09:20, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 1, 2023 09:20, sampling point TF081 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 1, 2023 09:20, sampling point TF081 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Mar 1, 2023 08:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-230301-119
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 1, 2023 08:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 1, 2023 08:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 1, 2023 08:30, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Sep 28, 2022 09:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-220929-002
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 28, 2022 09:00, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0394 mg/l , sample collected Sep 28, 2022 09:00, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 28, 2022 09:00, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 28, 2022 09:00, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
1.04 mg/l , sample collected Sep 28, 2022 09:00, sampling point TF080 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 28, 2022 09:00, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0009 mg/l , sample collected Sep 28, 2022 09:00, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Sep 28, 2022 09:00, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 28, 2022 09:00, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 28, 2022 09:00, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 28, 2022 09:00, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022

Routine (10).