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
MS0040011 , Zama Water Association
23 of the 58 analytes this system has been tested for have been detected at least once, across 146 samples on record.
The other 35 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 146 samples on record, detections range from November 30, 1993 to January 16, 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.
| Analyte | Kind | Detected in | First detected | Last detected |
|---|---|---|---|---|
| Copper, Free 1022 | Inorganic Chemical | 59 of 66 results | Nov 30, 1993 | Jun 18, 2020 |
| Lead 1030 | Inorganic Chemical | 39 of 66 results | Nov 30, 1993 | Aug 23, 2017 |
| Barium 1010 | Inorganic Chemical | 14 of 14 results | Feb 12, 2002 | Jan 16, 2025 |
| Nickel 1036 | Inorganic Chemical | 9 of 14 results | Jan 12, 2004 | Jan 16, 2025 |
| TTHM 2950 | Organic Chemical | 9 of 9 results | May 5, 2004 | Mar 29, 2023 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 7 of 10 results | Jun 27, 2007 | Mar 29, 2023 |
| Chromium 1020 | Inorganic Chemical | 6 of 14 results | Jan 12, 2004 | Jan 16, 2025 |
| Chloroform 2941 | Organic Chemical | 6 of 6 results | Sep 18, 2006 | Aug 28, 2017 |
| Bromodichloromethane 2943 | Organic Chemical | 6 of 6 results | Sep 18, 2006 | Aug 28, 2017 |
| Dibromochloromethane 2944 | Organic Chemical | 6 of 6 results | Sep 18, 2006 | Aug 28, 2017 |
| Dichloroacetic Acid 2451 | Organic Chemical | 4 of 5 results | Jul 14, 2008 | Aug 28, 2017 |
| Sulfate 1055 | Inorganic Chemical | 4 of 5 results | Feb 12, 2002 | Jan 12, 2004 |
| Sodium 1052 | Inorganic Chemical | 3 of 3 results | Sep 25, 2019 | Oct 16, 2024 |
| Fluoride 1025 | Inorganic Chemical | 3 of 14 results | Feb 12, 2002 | Mar 4, 2015 |
| Dibromoacetic Acid 2454 | Organic Chemical | 2 of 5 results | Jul 14, 2008 | Aug 28, 2017 |
| Gross Alpha Particle Activity 4109 | Radionuclide | 2 of 4 results | Jun 25, 2012 | Sep 18, 2012 |
| Trichloroacetic Acid 2452 | Organic Chemical | 2 of 5 results | Jul 14, 2008 | Jul 6, 2011 |
| Mercury 1035 | Inorganic Chemical | 1 of 14 results | Jan 16, 2025 | Jan 16, 2025 |
| Cyanide 1024 | Inorganic Chemical | 1 of 10 results | Apr 9, 2020 | Apr 9, 2020 |
| Monochloroacetic Acid 2450 | Organic Chemical | 1 of 5 results | Aug 28, 2017 | Aug 28, 2017 |
| Bromoform 2942 | Organic Chemical | 1 of 6 results | Aug 28, 2017 | Aug 28, 2017 |
| Cadmium 1015 | Inorganic Chemical | 1 of 14 results | Feb 16, 2005 | Feb 16, 2005 |
| Selenium 1045 | Inorganic Chemical | 1 of 14 results | Feb 16, 2005 | Feb 16, 2005 |
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.
Choose a date range
The most recent samples, result by result
The 4 samples collected between September 25, 2024 and September 25, 2026 are listed below, newest first.
16 results from the 4 samples listed here: 5 detected, 11 not detected. 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 0.015 mg/l Minimum Reporting Level , sample collected May 21, 2025 13:40, sampling point TF080 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2023 – Dec 31, 2025 |
|
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 16, 2025 09:58, sampling point TF080 | Arsenic 1005 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| 0.0085 mg/l , sample collected Jan 16, 2025 09:58, sampling point TF080 | Barium 1010 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 16, 2025 09:58, sampling point TF080 | Cadmium 1015 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| 0.0012 mg/l , sample collected Jan 16, 2025 09:58, sampling point TF080 | Chromium 1020 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 16, 2025 09:58, sampling point TF080 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2023 – Dec 31, 2025 |
| 0.002 mg/l , sample collected Jan 16, 2025 09:58, sampling point TF080 | Mercury 1035 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| 0.0009 mg/l , sample collected Jan 16, 2025 09:58, sampling point TF080 | Nickel 1036 EPA method 200.8 | Not recorded |
| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jan 16, 2025 09:58, sampling point TF080 | Selenium 1045 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 16, 2025 09:58, sampling point TF080 | 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 Jan 16, 2025 09:58, sampling point TF080 | 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 Jan 16, 2025 09:58, sampling point TF080 | Thallium, Total 1085 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 16, 2025 09:52, sampling point TF080 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2025 – Dec 31, 2025 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 16, 2025 09:52, sampling point TF080 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2025 – Dec 31, 2025 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 16, 2025 09:52, sampling point TF080 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2025 – Dec 31, 2025 |
|
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| 15.7 mg/l , sample collected Oct 16, 2024 12:29, sampling point TF080 | Sodium 1052 EPA method 200.7 | Jan 1, 2022 – Dec 31, 2024 |
-
- Collected
- May 21, 2025 13:40
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- CN-250522-019
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Jan 16, 2025 09:58
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- IN-250116-035
- Laboratory
- MSDH Lab
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Barium 1010 EPA method 200.8
- Result
- 0.0085 mg/l
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Cadmium 1015 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Chromium 1020 EPA method 200.8
- Result
- 0.0012 mg/l
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Mercury 1035 EPA method 200.8
- Result
- 0.002 mg/l
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Nickel 1036 EPA method 200.8
- Result
- 0.0009 mg/l
- Monitoring period
- Not recorded
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Antimony, Total 1074 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Beryllium, Total 1075 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Thallium, Total 1085 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
- Collected
- Jan 16, 2025 09:52
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- NI-250116-036
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
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
- Oct 16, 2024 12:29
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- NA-241017-016
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Sodium 1052 EPA method 200.7
- Result
- 15.7 mg/l
Routine (4).