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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

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.

Every analyte ever detected for Ellisville State School #1, 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
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 51–60 of 285 samples, newest first — collected February 7, 2022 to August 22, 2023. The summary above covers all 285.

61 results from the 10 samples listed here: 9 detected, 52 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 1 sampling point 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.

Chemical and radiological sample results for Ellisville State School #1, every result from 51 to 60 of 285 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
Aug 22, 2023 08:00
Sampling point
LC0014 Location withheld
Sample type
Routine
Lab sample
PB-230823-122
Laboratory
MSDH Lab
0.109 mg/l , sample collected Aug 22, 2023 08:00, sampling point LC0014 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 08:00, sampling point LC0014 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jun 5, 2023 12:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230606-008
Laboratory
MSDH Lab
9.44 ug/l , sample collected Jun 5, 2023 12:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 5, 2023 12:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230606-008
Laboratory
MSDH Lab
11.9 ug/l , sample collected Jun 5, 2023 12:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Feb 1, 2023 12:15
Sampling point
TF103 Treatment Plant T101
Sample type
Routine
Lab sample
VO-230202-032
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 1, 2023 12:15, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Aug 29, 2022 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-220830-024
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 14:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0049 mg/l , sample collected Aug 29, 2022 14:00, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 14:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 14:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.661 mg/l , sample collected Aug 29, 2022 14:00, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 14:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 14:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 14:00, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 14:00, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 14:00, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 14:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 13, 2022 14:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
VO-220614-011
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2022 14:30, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Mar 21, 2022 14:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-220322-012
Laboratory
MSDH Lab
17.7 ug/l , sample collected Mar 21, 2022 14:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2022 – Dec 31, 2022
Collected
Mar 21, 2022 14:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-220322-012
Laboratory
MSDH Lab
18.1 ug/l , sample collected Mar 21, 2022 14:10, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Collected
Feb 7, 2022 13:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-220208-013
Laboratory
MSDH Lab
55.3 mg/l , sample collected Feb 7, 2022 13:30, sampling point TF101 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 7, 2022 14:05
Sampling point
TF103 Treatment Plant T101
Sample type
Routine
Lab sample
NA-220208-041
Laboratory
MSDH Lab
50.7 mg/l , sample collected Feb 7, 2022 14:05, sampling point TF103 Sodium 1052 EPA method 200.7 Not recorded

Routine (10).