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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

MS0340003 , City of Ellisville

41 of the 69 analytes this system has been tested for have been detected at least once, across 480 samples on record.

The other 28 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 480 samples on record, detections range from September 29, 2003 to August 25, 2025. 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 City of Ellisville, 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 137 of 140 results Jun 24, 2004 Jul 24, 2024
Lead 1030 Inorganic Chemical 135 of 141 results Jun 24, 2004 Jul 24, 2024
Fluoride 1025 Inorganic Chemical 33 of 36 results Sep 29, 2003 Feb 7, 2024
TTHM 2950 Organic Chemical 32 of 37 results Jun 16, 2004 Aug 25, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 30 of 35 results Sep 21, 2009 Aug 25, 2025
Barium 1010 Inorganic Chemical 30 of 30 results Sep 29, 2003 Feb 7, 2024
Chloroform 2941 Organic Chemical 28 of 28 results Sep 5, 2007 Aug 25, 2025
Bromodichloromethane 2943 Organic Chemical 28 of 28 results Sep 5, 2007 Aug 25, 2025
Trichloroacetic Acid 2452 Organic Chemical 25 of 26 results Sep 21, 2009 Aug 25, 2025
Dichloroacetic Acid 2451 Organic Chemical 24 of 26 results Sep 21, 2009 Aug 25, 2025
Xylenes, Total 2955 Organic Chemical 21 of 96 results Mar 14, 2006 Jul 16, 2015
Sodium 1052 Inorganic Chemical 17 of 17 results Apr 20, 2010 Feb 25, 2025
Nickel 1036 Inorganic Chemical 13 of 30 results Sep 29, 2003 Jan 10, 2024
Chromium 1020 Inorganic Chemical 11 of 30 results Sep 29, 2003 Feb 7, 2024
Dibromochloromethane 2944 Organic Chemical 8 of 28 results Jul 28, 2010 Aug 25, 2025
Sulfate 1055 Inorganic Chemical 8 of 8 results Sep 29, 2003 Feb 27, 2018
Calcium 1016 Inorganic Chemical 6 of 6 results Apr 20, 2010 Feb 27, 2018
Magnesium 1031 Inorganic Chemical 6 of 6 results Apr 20, 2010 Feb 27, 2018
Potassium 1042 Inorganic Chemical 6 of 6 results Apr 20, 2010 Feb 27, 2018
Residue, Total, Filterable 1057 Water Quality 6 of 6 results Apr 20, 2010 Feb 27, 2018
Color 1905 Water Quality 6 of 6 results Apr 20, 2010 Feb 27, 2018
Hardness, Total (As Caco3) 1915 Water Quality 6 of 6 results Apr 20, 2010 Feb 27, 2018
Alkalinity, Total 1927 Water Quality 6 of 6 results Apr 20, 2010 Feb 27, 2018
Calculated Sodium NACA Water Quality 6 of 6 results Apr 20, 2010 Feb 27, 2018
PH, Field Result PHFD Water Quality 6 of 6 results Apr 20, 2010 Feb 27, 2018
Iron 1028 Inorganic Chemical 5 of 6 results Apr 20, 2010 Feb 27, 2018
Manganese 1032 Inorganic Chemical 5 of 5 results Apr 20, 2010 Feb 27, 2018
Carbon Dioxide 1901 Water Quality 5 of 5 results Apr 20, 2010 Feb 27, 2018
Ethylbenzene 2992 Organic Chemical 5 of 96 results Mar 14, 2006 Aug 17, 2011
Selenium 1045 Inorganic Chemical 4 of 30 results Dec 12, 2005 May 1, 2008
Monochloroacetic Acid 2450 Organic Chemical 3 of 26 results Sep 21, 2009 Jun 27, 2018
Chloride 1017 Inorganic Chemical 3 of 6 results Apr 20, 2010 Feb 27, 2018
Iron, Field Result FEFD Inorganic Chemical 3 of 3 results Apr 20, 2010 Feb 27, 2018
Arsenic 1005 Inorganic Chemical 2 of 30 results Dec 12, 2005 Apr 2, 2014
Combined Uranium 4006 Radionuclide 2 of 16 results Mar 12, 2012 May 21, 2012
Toluene 2991 Organic Chemical 2 of 96 results Mar 14, 2006 May 21, 2007
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Feb 27, 2018 Feb 27, 2018
Cyanide 1024 Inorganic Chemical 1 of 33 results Mar 3, 2014 Mar 3, 2014
Monobromoacetic Acid 2453 Organic Chemical 1 of 26 results Feb 29, 2012 Feb 29, 2012
Cadmium 1015 Inorganic Chemical 1 of 30 results Dec 12, 2005 Dec 12, 2005
Dichloromethane 2964 Organic Chemical 1 of 96 results Aug 3, 2004 Aug 3, 2004

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 341–350 of 480 samples, newest first — collected June 28, 2010 to July 6, 2010. The summary above covers all 480.

21 results from the 10 samples listed here: 18 detected, 3 not detected. Across the whole record it is 678 of 3,354. 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 City of Ellisville, every result from 341 to 350 of 480 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
Jul 6, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100707-061NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jul 6, 2010, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Jul 6, 2010, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jul 6, 2010, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Collected
Jun 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100628-041PB
Laboratory
MSDH Lab
0.5271 mg/l , sample collected Jun 28, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0024 mg/l , sample collected Jun 28, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100628-040PB
Laboratory
MSDH Lab
0.1266 mg/l , sample collected Jun 28, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0084 mg/l , sample collected Jun 28, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100628-039PB
Laboratory
MSDH Lab
0.2818 mg/l , sample collected Jun 28, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0038 mg/l , sample collected Jun 28, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100628-038PB
Laboratory
MSDH Lab
0.1819 mg/l , sample collected Jun 28, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0019 mg/l , sample collected Jun 28, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100628-037PB
Laboratory
MSDH Lab
0.0588 mg/l , sample collected Jun 28, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0019 mg/l , sample collected Jun 28, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100628-035PB
Laboratory
MSDH Lab
0.049 mg/l , sample collected Jun 28, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0046 mg/l , sample collected Jun 28, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100628-034PB
Laboratory
MSDH Lab
0.1135 mg/l , sample collected Jun 28, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0013 mg/l , sample collected Jun 28, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100628-033PB
Laboratory
MSDH Lab
0.0145 mg/l , sample collected Jun 28, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.003 mg/l , sample collected Jun 28, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100628-032PB
Laboratory
MSDH Lab
0.28 mg/l , sample collected Jun 28, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0011 mg/l , sample collected Jun 28, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010

Routine (10).