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