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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

MS0140003 , Town of Coahoma

28 of the 58 analytes this system has been tested for have been detected at least once, across 302 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 302 samples on record, detections range from December 8, 1993 to February 10, 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 Town of Coahoma, 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
TTHM 2950 Organic Chemical 74 of 85 results May 17, 2004 Feb 10, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 62 of 83 results May 17, 2004 Nov 18, 2025
Lead 1030 Inorganic Chemical 62 of 75 results Dec 8, 1993 Sep 9, 2025
Copper, Free 1022 Inorganic Chemical 56 of 75 results Dec 8, 1993 Sep 9, 2025
Bromoform 2942 Organic Chemical 50 of 64 results Sep 11, 2006 Feb 10, 2026
Dibromochloromethane 2944 Organic Chemical 50 of 64 results Sep 11, 2006 Feb 10, 2026
Bromodichloromethane 2943 Organic Chemical 49 of 64 results Sep 11, 2006 Feb 10, 2026
Chloroform 2941 Organic Chemical 49 of 64 results Sep 11, 2006 Jul 30, 2024
Dibromoacetic Acid 2454 Organic Chemical 42 of 62 results Aug 27, 2007 Nov 18, 2025
Dichloroacetic Acid 2451 Organic Chemical 25 of 62 results Aug 27, 2007 Nov 18, 2025
Trichloroacetic Acid 2452 Organic Chemical 19 of 62 results Aug 27, 2007 Nov 18, 2025
Arsenic 1005 Inorganic Chemical 12 of 12 results May 7, 2002 Feb 4, 2025
Barium 1010 Inorganic Chemical 12 of 12 results May 7, 2002 Feb 4, 2025
Fluoride 1025 Inorganic Chemical 12 of 12 results May 7, 2002 Feb 4, 2025
Selenium 1045 Inorganic Chemical 10 of 12 results May 7, 2002 May 9, 2022
Monobromoacetic Acid 2453 Organic Chemical 9 of 62 results May 11, 2011 Nov 18, 2025
Chromium 1020 Inorganic Chemical 7 of 12 results Jan 28, 2004 Feb 4, 2025
Nickel 1036 Inorganic Chemical 3 of 12 results Mar 19, 2008 Feb 4, 2025
Monochloroacetic Acid 2450 Organic Chemical 3 of 62 results Feb 26, 2019 Dec 18, 2023
Sodium 1052 Inorganic Chemical 2 of 2 results Feb 2, 2021 Oct 14, 2024
Thallium, Total 1085 Inorganic Chemical 2 of 12 results Feb 28, 2005 Apr 20, 2020
Gross Alpha, Excl. Radon & U 4000 Radionuclide 1 of 2 results Dec 6, 2011 Dec 6, 2011
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 2 results Dec 6, 2011 Dec 6, 2011
Radium-228 4030 Radionuclide 1 of 2 results Dec 6, 2011 Dec 6, 2011
Gross Alpha Particle Activity 4109 Radionuclide 1 of 6 results Dec 6, 2011 Dec 6, 2011
Mercury 1035 Inorganic Chemical 1 of 12 results Feb 28, 2005 Feb 28, 2005
Xylenes, Total 2955 Organic Chemical 1 of 13 results Oct 14, 2004 Oct 14, 2004
Beryllium, Total 1075 Inorganic Chemical 1 of 12 results May 7, 2002 May 7, 2002

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 151–160 of 302 samples, newest first — collected July 18, 2013 to January 26, 2015. The summary above covers all 302.

33 results from the 10 samples listed here: 17 detected, 16 not detected. Across the whole record it is 617 of 1,389. 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 Coahoma, every result from 151 to 160 of 302 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
Jan 26, 2015 15:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
150127-043NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 15:30, 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 Jan 26, 2015 15:30, 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 Jan 26, 2015 15:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Jul 14, 2014 02:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
140715-010CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 14, 2014 02:40, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jun 26, 2014 06:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140627-021PB
Laboratory
MSDH Lab
0.039 mg/l , sample collected Jun 26, 2014 06:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.006 mg/l , sample collected Jun 26, 2014 06:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 26, 2014 08:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140627-020PB
Laboratory
MSDH Lab
0.2077 mg/l , sample collected Jun 26, 2014 08:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 26, 2014 08:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 26, 2014 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140627-019PB
Laboratory
MSDH Lab
0.0339 mg/l , sample collected Jun 26, 2014 08:40, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0007 mg/l , sample collected Jun 26, 2014 08:40, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 26, 2014 07:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140627-018PB
Laboratory
MSDH Lab
0.0094 mg/l , sample collected Jun 26, 2014 07:24, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 26, 2014 07:24, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 26, 2014 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140627-017PB
Laboratory
MSDH Lab
0.0285 mg/l , sample collected Jun 26, 2014 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 26, 2014 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
May 5, 2014 04:05
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
140506-023IN
Laboratory
MSDH Lab
0.0011 mg/l , sample collected May 5, 2014 04:05, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0042 mg/l , sample collected May 5, 2014 04:05, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 5, 2014 04:05, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0047 mg/l , sample collected May 5, 2014 04:05, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.143 mg/l , sample collected May 5, 2014 04:05, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 5, 2014 04:05, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 5, 2014 04:05, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
0.0044 mg/l , sample collected May 5, 2014 04:05, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 5, 2014 04:05, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 5, 2014 04:05, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 5, 2014 04:05, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jan 27, 2014 15:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
140128-010NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 27, 2014 15:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 27, 2014 15:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 27, 2014 15:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Jul 18, 2013 02:40
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130719-006TH
Laboratory
MSDH Lab
2.44 ug/l , sample collected Jul 18, 2013 02:40, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
62.9 ug/l , sample collected Jul 18, 2013 02:40, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
9.65 ug/l , sample collected Jul 18, 2013 02:40, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
38.6 ug/l , sample collected Jul 18, 2013 02:40, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
113.6 ug/l , sample collected Jul 18, 2013 02:40, sampling point MRT000 TTHM 2950 EPA method 524.2 Jul 1, 2013 – Sep 30, 2013

Routine (10).