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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

MS0210003 , Town of McLain

20 of the 58 analytes this system has been tested for have been detected at least once, across 321 samples on record.

The other 38 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 321 samples on record, detections range from November 17, 1993 to February 10, 2025. 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 Town of McLain, 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
Lead 1030 Inorganic Chemical 130 of 181 results Nov 17, 1993 Sep 4, 2024
Copper, Free 1022 Inorganic Chemical 124 of 181 results Nov 17, 1993 Sep 4, 2024
Barium 1010 Inorganic Chemical 20 of 20 results May 21, 2002 Feb 3, 2025
Fluoride 1025 Inorganic Chemical 20 of 20 results May 21, 2002 Feb 3, 2025
Arsenic 1005 Inorganic Chemical 18 of 20 results May 21, 2002 Feb 3, 2025
Chromium 1020 Inorganic Chemical 10 of 20 results May 21, 2002 Feb 3, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 13, 2011 Jul 11, 2012
Nickel 1036 Inorganic Chemical 8 of 20 results Feb 2, 2004 Feb 3, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 9 results Jul 30, 2007 Feb 10, 2025
Sodium 1052 Inorganic Chemical 5 of 5 results Oct 6, 2019 Jan 29, 2024
TTHM 2950 Organic Chemical 5 of 8 results May 26, 2004 Sep 26, 2022
Dichloroacetic Acid 2451 Organic Chemical 4 of 5 results Sep 15, 2008 Jul 24, 2018
Sulfate 1055 Inorganic Chemical 4 of 4 results May 21, 2002 Feb 2, 2004
Chloroform 2941 Organic Chemical 3 of 5 results Jul 30, 2007 Jul 24, 2018
Bromodichloromethane 2943 Organic Chemical 3 of 5 results Jul 30, 2007 Jul 24, 2018
Dibromochloromethane 2944 Organic Chemical 3 of 5 results Jul 30, 2007 Jul 24, 2018
Antimony, Total 1074 Inorganic Chemical 1 of 20 results Oct 15, 2018 Oct 15, 2018
Monochloroacetic Acid 2450 Organic Chemical 1 of 5 results Jul 24, 2018 Jul 24, 2018
Trichloroacetic Acid 2452 Organic Chemical 1 of 5 results Jul 24, 2018 Jul 24, 2018
Cyanide 1024 Inorganic Chemical 1 of 20 results Jul 30, 2014 Jul 30, 2014

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 171–180 of 321 samples, newest first — collected October 11, 2007 to October 11, 2007. The summary above covers all 321.

20 results from the 10 samples listed here: 16 detected, 4 not detected. Across the whole record it is 378 of 1,151. 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 McLain, every result from 171 to 180 of 321 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
Oct 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
071016-138PB
Laboratory
MSDH Lab
0.0104 mg/l , sample collected Oct 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
0.0013 mg/l , sample collected Oct 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Collected
Oct 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
071016-137PB
Laboratory
MSDH Lab
0.0162 mg/l , sample collected Oct 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
0.0006 mg/l , sample collected Oct 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Collected
Oct 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
071016-136PB
Laboratory
MSDH Lab
0.0123 mg/l , sample collected Oct 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
0.0022 mg/l , sample collected Oct 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Collected
Oct 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
071016-135PB
Laboratory
MSDH Lab
0.0024 mg/l , sample collected Oct 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Collected
Oct 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
071016-134PB
Laboratory
MSDH Lab
0.0039 mg/l , sample collected Oct 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Collected
Oct 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
071016-133PB
Laboratory
MSDH Lab
0.0037 mg/l , sample collected Oct 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
0.0011 mg/l , sample collected Oct 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Collected
Oct 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
071016-132PB
Laboratory
MSDH Lab
0.0035 mg/l , sample collected Oct 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Collected
Oct 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
071016-131PB
Laboratory
MSDH Lab
0.0028 mg/l , sample collected Oct 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
0.0021 mg/l , sample collected Oct 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Collected
Oct 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
071016-130PB
Laboratory
MSDH Lab
0.0653 mg/l , sample collected Oct 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Collected
Oct 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
071016-129PB
Laboratory
MSDH Lab
0.0534 mg/l , sample collected Oct 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
0.0015 mg/l , sample collected Oct 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007

Routine (10).