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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

MS0580001 , Algoma Water Association

25 of the 60 analytes this system has been tested for have been detected at least once, across 467 samples on record.

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 467 samples on record, detections range from October 15, 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 Algoma Water Association, 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 121 of 121 results Sep 6, 2007 Sep 26, 2023
Lead 1030 Inorganic Chemical 54 of 121 results Sep 6, 2007 Sep 26, 2023
Barium 1010 Inorganic Chemical 51 of 51 results Oct 15, 2003 Jun 22, 2026
Fluoride 1025 Inorganic Chemical 49 of 51 results Oct 15, 2003 Jun 22, 2026
Chromium 1020 Inorganic Chemical 30 of 51 results Oct 15, 2003 Apr 9, 2019
Arsenic 1005 Inorganic Chemical 29 of 51 results Nov 16, 2004 Mar 17, 2025
Nickel 1036 Inorganic Chemical 20 of 47 results Nov 16, 2004 Mar 17, 2025
Combined Radium (-226 & -228) 4010 Radionuclide 20 of 27 results Sep 23, 2009 Jul 2, 2020
Sodium 1052 Inorganic Chemical 19 of 19 results Sep 24, 2019 Jun 22, 2026
Selenium 1045 Inorganic Chemical 19 of 51 results Oct 15, 2003 May 6, 2013
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 21 results Mar 14, 2012 Oct 9, 2012
Radium-226 4020 Radionuclide 14 of 27 results Sep 23, 2009 Jul 2, 2020
Radium-228 4030 Radionuclide 9 of 27 results Sep 23, 2009 Jul 2, 2020
Nitrite 1041 Inorganic Chemical 9 of 103 results Aug 24, 2005 Apr 20, 2015
Gross Alpha Particle Activity 4109 Radionuclide 5 of 8 results Sep 23, 2009 Sep 12, 2012
Nitrate 1040 Inorganic Chemical 5 of 103 results Jul 24, 2006 Nov 27, 2007
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 4 of 22 results Sep 4, 2007 Nov 2, 2021
Gross Beta Particle Activity 4100 Radionuclide 4 of 4 results Sep 23, 2009 Sep 23, 2009
Nitrate-Nitrite 1038 Inorganic Chemical 4 of 103 results Nov 27, 2007 Nov 27, 2007
Cadmium 1015 Inorganic Chemical 4 of 51 results Apr 11, 2005 Apr 11, 2005
Gross Alpha, Excl. Radon & U 4000 Radionuclide 3 of 6 results Sep 23, 2009 Sep 23, 2009
TTHM 2950 Organic Chemical 2 of 23 results Sep 4, 2007 Jun 30, 2010
Sulfate 1055 Inorganic Chemical 2 of 8 results Mar 17, 2004 Mar 17, 2004
Xylenes, Total 2955 Organic Chemical 1 of 42 results May 8, 2019 May 8, 2019
Monobromoacetic Acid 2453 Organic Chemical 1 of 16 results Aug 28, 2013 Aug 28, 2013

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 table below lists 1–10 of 28 samples, newest first — collected September 29, 2025 to June 22, 2026. The summary above covers all 28.

60 results from the 10 samples listed here: 12 detected, 48 not detected. Across the whole record it is 494 of 2,415. 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 1 sampling point 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 Algoma Water Association, every result from 1 to 10 of 28 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
Jun 22, 2026
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
35045859004
Laboratory
Pace Analytical Services, LLC
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF104 Arsenic 1005 EPA method 200.8 Apr 1, 2026 – Jun 30, 2026
26.9 ug/l , sample collected Jun 22, 2026, sampling point TF104 Barium 1010 EPA method 200.7 Apr 1, 2026 – Jun 30, 2026
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF104 Cadmium 1015 EPA method 200.7 Apr 1, 2026 – Jun 30, 2026
Not detected below 5 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF104 Chromium 1020 EPA method 200.7 Apr 1, 2026 – Jun 30, 2026
0.2 mg/l , sample collected Jun 22, 2026, sampling point TF104 Fluoride 1025 EPA method 300.0 Apr 1, 2026 – Jun 30, 2026
Not detected below 0.2 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF104 Mercury 1035 EPA method 245.1 Apr 1, 2026 – Jun 30, 2026
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF104 Selenium 1045 EPA method 200.8 Apr 1, 2026 – Jun 30, 2026
90500 ug/l , sample collected Jun 22, 2026, sampling point TF104 Sodium 1052 EPA method 200.7 Jan 1, 2026 – Dec 31, 2028
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Apr 1, 2026 – Jun 30, 2026
Not detected below 4 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF104 Beryllium, Total 1075 EPA method 200.7 Apr 1, 2026 – Jun 30, 2026
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Apr 1, 2026 – Jun 30, 2026
Collected
Jun 22, 2026
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
35045859003
Laboratory
Pace Analytical Services, LLC
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF103 Arsenic 1005 EPA method 200.8 Not recorded
27.7 ug/l , sample collected Jun 22, 2026, sampling point TF103 Barium 1010 EPA method 200.7 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF103 Cadmium 1015 EPA method 200.7 Not recorded
Not detected below 5 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF103 Chromium 1020 EPA method 200.7 Not recorded
0.2 mg/l , sample collected Jun 22, 2026, sampling point TF103 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.2 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF103 Mercury 1035 EPA method 245.1 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF103 Selenium 1045 EPA method 200.8 Not recorded
91600 ug/l , sample collected Jun 22, 2026, sampling point TF103 Sodium 1052 EPA method 200.7 Jan 1, 2026 – Dec 31, 2028
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF103 Beryllium, Total 1075 EPA method 200.7 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Jun 22, 2026
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
35045859002
Laboratory
Pace Analytical Services, LLC
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF102 Arsenic 1005 EPA method 200.8 Not recorded
27.3 ug/l , sample collected Jun 22, 2026, sampling point TF102 Barium 1010 EPA method 200.7 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF102 Cadmium 1015 EPA method 200.7 Not recorded
Not detected below 5 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF102 Chromium 1020 EPA method 200.7 Not recorded
0.19 mg/l , sample collected Jun 22, 2026, sampling point TF102 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.2 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF102 Mercury 1035 EPA method 245.1 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF102 Selenium 1045 EPA method 200.8 Not recorded
91100 ug/l , sample collected Jun 22, 2026, sampling point TF102 Sodium 1052 EPA method 200.7 Jan 1, 2026 – Dec 31, 2028
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF102 Beryllium, Total 1075 EPA method 200.7 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Jun 22, 2026
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
35045859001
Laboratory
Pace Analytical Services, LLC
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF101 Arsenic 1005 EPA method 200.8 Not recorded
27.5 ug/l , sample collected Jun 22, 2026, sampling point TF101 Barium 1010 EPA method 200.7 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF101 Cadmium 1015 EPA method 200.7 Not recorded
Not detected below 5 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF101 Chromium 1020 EPA method 200.7 Not recorded
0.2 mg/l , sample collected Jun 22, 2026, sampling point TF101 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.2 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF101 Mercury 1035 EPA method 245.1 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF101 Selenium 1045 EPA method 200.8 Not recorded
90600 ug/l , sample collected Jun 22, 2026, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2026 – Dec 31, 2028
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF101 Beryllium, Total 1075 EPA method 200.7 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2026, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Oct 20, 2025 12:15
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-168630-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 12:15, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 12:15, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 12:15, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 12:15, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 12:15, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 12:15, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 12:15, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 12:15, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 12:15, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 12:15, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 12:15, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded
Collected
Sep 29, 2025 11:49
Sampling point
TF105
Sample type
Routine
Lab sample
CN-250930-017
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 29, 2025 11:49, sampling point TF105 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 29, 2025 12:35
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
CN-250930-016
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 29, 2025 12:35, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 29, 2025 12:28
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-250930-015
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 29, 2025 12:28, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 29, 2025 12:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-250930-014
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 29, 2025 12:15, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 29, 2025 12:05
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-250930-013
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 29, 2025 12:05, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025

Routine (10).