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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

MS0640003 , Town of Dlo

27 of the 57 analytes this system has been tested for have been detected at least once, across 179 samples on record.

The other 30 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 179 samples on record, detections range from October 22, 2003 to April 7, 2025. 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 Town of Dlo, 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 31 of 31 results Sep 27, 2007 Jul 27, 2023
Lead 1030 Inorganic Chemical 28 of 31 results Sep 27, 2007 Jul 27, 2023
Barium 1010 Inorganic Chemical 18 of 18 results Oct 22, 2003 Apr 7, 2025
Fluoride 1025 Inorganic Chemical 16 of 18 results Oct 22, 2003 Apr 7, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 15 of 43 results Mar 28, 2011 Apr 4, 2022
Nitrate 1040 Inorganic Chemical 15 of 43 results Mar 28, 2011 Apr 4, 2022
Chromium 1020 Inorganic Chemical 12 of 18 results Oct 22, 2003 Apr 7, 2025
TTHM 2950 Organic Chemical 11 of 14 results Aug 16, 2004 Mar 28, 2023
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 15, 2011 Sep 13, 2012
Nickel 1036 Inorganic Chemical 9 of 18 results Mar 22, 2004 Apr 7, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 9 of 14 results Sep 25, 2007 Mar 28, 2023
Dibromochloromethane 2944 Organic Chemical 5 of 11 results Oct 24, 2007 Jul 29, 2009
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 16, 2019 Dec 13, 2023
Monochloroacetic Acid 2450 Organic Chemical 3 of 10 results Jun 24, 2008 Aug 15, 2017
Chloroform 2941 Organic Chemical 3 of 11 results Oct 24, 2007 Sep 17, 2014
Bromodichloromethane 2943 Organic Chemical 3 of 11 results Oct 24, 2007 Nov 6, 2008
Selenium 1045 Inorganic Chemical 3 of 18 results Apr 18, 2005 Mar 27, 2006
Arsenic 1005 Inorganic Chemical 2 of 18 results Oct 18, 2022 Oct 18, 2022
Monobromoacetic Acid 2453 Organic Chemical 2 of 10 results Nov 6, 2008 Feb 4, 2009
Sulfate 1055 Inorganic Chemical 2 of 2 results Oct 22, 2003 Oct 22, 2003
Dibromoacetic Acid 2454 Organic Chemical 1 of 10 results Nov 6, 2008 Nov 6, 2008
Dichloroacetic Acid 2451 Organic Chemical 1 of 10 results Sep 11, 2008 Sep 11, 2008
Trichloroacetic Acid 2452 Organic Chemical 1 of 10 results Sep 11, 2008 Sep 11, 2008
Bromoform 2942 Organic Chemical 1 of 11 results Oct 24, 2007 Oct 24, 2007
Nitrite 1041 Inorganic Chemical 1 of 43 results Aug 2, 2006 Aug 2, 2006
Cyanide 1024 Inorganic Chemical 1 of 19 results Mar 27, 2006 Mar 27, 2006
Mercury 1035 Inorganic Chemical 1 of 17 results Mar 22, 2004 Mar 22, 2004

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

28 results from the 6 samples listed here: 8 detected, 20 not detected. 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 Town of Dlo, every result from the 6 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
Nov 6, 2025 10:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-251106-008
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Nov 6, 2025 10:45, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 22, 2025 12:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250923-010
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 22, 2025 12:15, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Apr 7, 2025 12:50
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250408-038
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 12:50, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0673 mg/l , sample collected Apr 7, 2025 12:50, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 12:50, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0014 mg/l , sample collected Apr 7, 2025 12:50, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.206 mg/l , sample collected Apr 7, 2025 12:50, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
0.0009 mg/l , sample collected Apr 7, 2025 12:50, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 12:50, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 12:50, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 12:50, sampling point TF102 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 Apr 7, 2025 12:50, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Apr 7, 2025 13:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250408-039
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 13:10, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0577 mg/l , sample collected Apr 7, 2025 13:10, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 13:10, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0007 mg/l , sample collected Apr 7, 2025 13:10, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.202 mg/l , sample collected Apr 7, 2025 13:10, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
0.0006 mg/l , sample collected Apr 7, 2025 13:10, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 13:10, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 13:10, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 13:10, sampling point TF101 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 Apr 7, 2025 13:10, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Apr 7, 2025 12:55
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250408-008
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 12:55, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 12:55, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 12:55, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 7, 2025 13:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250408-007
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 13:15, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 13:15, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 13:15, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025

Routine (6).