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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 71–80 of 321 samples, newest first — collected September 11, 2014 to June 25, 2015. The summary above covers all 321.

68 results from the 10 samples listed here: 11 detected, 57 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 71 to 80 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
Jun 25, 2015 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150626-014PB
Laboratory
MSDH Lab
0.0711 mg/l , sample collected Jun 25, 2015 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.0009 mg/l , sample collected Jun 25, 2015 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Jun 25, 2015
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150626-013PB
Laboratory
MSDH Lab
0.0485 mg/l , sample collected Jun 25, 2015, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2015, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Jun 25, 2015 20:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150626-012PB
Laboratory
MSDH Lab
0.0379 mg/l , sample collected Jun 25, 2015 20:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.001 mg/l , sample collected Jun 25, 2015 20:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Jun 25, 2015 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150626-011PB
Laboratory
MSDH Lab
0.05 mg/l , sample collected Jun 25, 2015 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.0015 mg/l , sample collected Jun 25, 2015 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Feb 5, 2015 13:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150206-004NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 5, 2015 13:45, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 5, 2015 13:45, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 5, 2015 13:45, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Feb 5, 2015 13:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
150206-003NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 5, 2015 13:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 5, 2015 13:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 5, 2015 13:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Sep 11, 2014 01:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
140912-003VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Sep 11, 2014 01:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
140912-002VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2014 01:15, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Sep 11, 2014 01:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
140912-003HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 11, 2014 01:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Sep 11, 2014 01:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 11, 2014 01:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 11, 2014 01:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 11, 2014 01:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Sep 11, 2014 01:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2014 – Dec 31, 2016
Collected
Sep 11, 2014 01:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
140912-002HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 11, 2014 01:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Sep 11, 2014 01:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 11, 2014 01:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 11, 2014 01:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 11, 2014 01:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Sep 11, 2014 01:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2014 – Dec 31, 2016

Routine (10).