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
MS0340002 , Ellisville State School #1
35 of the 70 analytes this system has been tested for have been detected at least once, across 285 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 285 samples on record, detections range from September 24, 2003 to August 3, 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 |
|---|---|---|---|---|
| Copper, Free 1022 | Inorganic Chemical | 71 of 73 results | Jul 24, 2007 | Aug 3, 2026 |
| Lead 1030 | Inorganic Chemical | 28 of 73 results | Jul 24, 2007 | Aug 22, 2023 |
| Barium 1010 | Inorganic Chemical | 22 of 22 results | Sep 24, 2003 | Jul 6, 2026 |
| Fluoride 1025 | Inorganic Chemical | 21 of 21 results | Sep 24, 2003 | Feb 25, 2025 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 18 of 24 results | Jun 5, 2006 | Jun 23, 2025 |
| TTHM 2950 | Organic Chemical | 18 of 21 results | Jun 16, 2004 | Jun 23, 2025 |
| Trichloroacetic Acid 2452 | Organic Chemical | 13 of 17 results | Sep 28, 2009 | Jun 23, 2025 |
| Chloroform 2941 | Organic Chemical | 13 of 16 results | Sep 5, 2007 | Jun 23, 2025 |
| Bromodichloromethane 2943 | Organic Chemical | 13 of 16 results | Sep 5, 2007 | Jun 23, 2025 |
| Xylenes, Total 2955 | Organic Chemical | 12 of 65 results | Feb 7, 2005 | Aug 9, 2021 |
| Dichloroacetic Acid 2451 | Organic Chemical | 11 of 17 results | Sep 28, 2009 | Jun 23, 2025 |
| Sodium 1052 | Inorganic Chemical | 6 of 6 results | Feb 27, 2018 | Feb 3, 2025 |
| Dibromochloromethane 2944 | Organic Chemical | 5 of 16 results | Jun 17, 2024 | Jun 23, 2025 |
| Sulfate 1055 | Inorganic Chemical | 5 of 5 results | Sep 24, 2003 | Feb 27, 2018 |
| Chromium 1020 | Inorganic Chemical | 5 of 22 results | Mar 21, 2005 | Apr 13, 2015 |
| Gross Alpha, Incl. Radon & U 4002 | Radionuclide | 5 of 10 results | Dec 13, 2011 | Jul 18, 2012 |
| Monochloroacetic Acid 2450 | Organic Chemical | 3 of 17 results | Aug 15, 2018 | Sep 10, 2020 |
| Ethylbenzene 2992 | Organic Chemical | 2 of 65 results | Feb 7, 2005 | Sep 28, 2005 |
| Nickel 1036 | Inorganic Chemical | 1 of 20 results | Feb 7, 2024 | Feb 7, 2024 |
| Monobromoacetic Acid 2453 | Organic Chemical | 1 of 17 results | Sep 10, 2020 | Sep 10, 2020 |
| Calcium 1016 | Inorganic Chemical | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| Iron 1028 | Inorganic Chemical | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| Magnesium 1031 | Inorganic Chemical | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| Manganese 1032 | Inorganic Chemical | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| Potassium 1042 | Inorganic Chemical | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| Residue, Total, Filterable 1057 | Water Quality | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| Alkalinity, Caco3 Stability 1067 | Water Quality | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| Color 1905 | Water Quality | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| Hardness, Total (As Caco3) 1915 | Water Quality | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| Alkalinity, Total 1927 | Water Quality | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| Calculated Sodium NACA | Water Quality | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| PH, Field Result PHFD | Water Quality | 1 of 1 result | Feb 27, 2018 | Feb 27, 2018 |
| Nitrate-Nitrite 1038 | Inorganic Chemical | 1 of 46 results | Jul 25, 2006 | Jul 25, 2006 |
| Nitrate 1040 | Inorganic Chemical | 1 of 46 results | Jul 25, 2006 | Jul 25, 2006 |
| Styrene 2996 | Organic Chemical | 1 of 65 results | Sep 28, 2005 | Sep 28, 2005 |
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 41–50 of 285 samples, newest first — collected August 22, 2023 to October 24, 2023. The summary above covers all 285.
22 results from the 10 samples listed here: 9 detected, 13 not detected. Across the whole record it is 288 of 2,175. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.
We withheld the location of 8 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.
| Result | Analyte | Monitoring period |
|---|---|---|
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 24, 2023 11:15, sampling point TF103 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2023 – Dec 31, 2023 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Oct 24, 2023 11:15, sampling point TF103 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2023 – Dec 31, 2023 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Oct 24, 2023 11:15, sampling point TF103 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2023 – Dec 31, 2023 |
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 24, 2023 11:00, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2023 – Dec 31, 2023 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Oct 24, 2023 11:00, sampling point TF101 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2023 – Dec 31, 2023 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Oct 24, 2023 11:00, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2023 – Dec 31, 2023 |
|
||
| 0.0168 mg/l , sample collected Aug 22, 2023 10:15, sampling point LC0018 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 22, 2023 10:15, sampling point LC0018 | Lead 1030 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
|
||
| 0.0439 mg/l , sample collected Aug 22, 2023 10:00, sampling point LC0030 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 22, 2023 10:00, sampling point LC0030 | Lead 1030 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
|
||
| 0.0119 mg/l , sample collected Aug 22, 2023 09:30, sampling point LC0010 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
| 0.7 ug/l , sample collected Aug 22, 2023 09:30, sampling point LC0010 | Lead 1030 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
|
||
| 0.0135 mg/l , sample collected Aug 22, 2023 09:15, sampling point LC0009 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 22, 2023 09:15, sampling point LC0009 | Lead 1030 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
|
||
| 0.0127 mg/l , sample collected Aug 22, 2023 09:00, sampling point LC0008 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 22, 2023 09:00, sampling point LC0008 | Lead 1030 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
|
||
| 0.0261 mg/l , sample collected Aug 22, 2023 08:45, sampling point LC0005 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 22, 2023 08:45, sampling point LC0005 | Lead 1030 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
|
||
| 0.0322 mg/l , sample collected Aug 22, 2023 08:30, sampling point LC0033 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 22, 2023 08:30, sampling point LC0033 | Lead 1030 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
|
||
| 0.0273 mg/l , sample collected Aug 22, 2023 09:45, sampling point LC0021 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 22, 2023 09:45, sampling point LC0021 | Lead 1030 EPA method 200.8 | Jan 1, 2021 – Dec 31, 2023 |
-
- Collected
- Oct 24, 2023 11:15
- Sampling point
- TF103 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-231025-041
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
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 24, 2023 11:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-231025-040
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
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
- Aug 22, 2023 10:15
- Sampling point
- LC0018 Location withheld
- Sample type
- Routine
- Lab sample
- PB-230823-131
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2023
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0168 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 22, 2023 10:00
- Sampling point
- LC0030 Location withheld
- Sample type
- Routine
- Lab sample
- PB-230823-130
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2023
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0439 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 22, 2023 09:30
- Sampling point
- LC0010 Location withheld
- Sample type
- Routine
- Lab sample
- PB-230823-128
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2023
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0119 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.7 ug/l
-
- Collected
- Aug 22, 2023 09:15
- Sampling point
- LC0009 Location withheld
- Sample type
- Routine
- Lab sample
- PB-230823-127
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2023
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0135 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 22, 2023 09:00
- Sampling point
- LC0008 Location withheld
- Sample type
- Routine
- Lab sample
- PB-230823-126
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2023
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0127 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 22, 2023 08:45
- Sampling point
- LC0005 Location withheld
- Sample type
- Routine
- Lab sample
- PB-230823-125
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2023
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0261 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 22, 2023 08:30
- Sampling point
- LC0033 Location withheld
- Sample type
- Routine
- Lab sample
- PB-230823-124
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2023
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0322 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Aug 22, 2023 09:45
- Sampling point
- LC0021 Location withheld
- Sample type
- Routine
- Lab sample
- PB-230823-129
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2023
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0273 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
Routine (10).