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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

MS0360068 , Wellsgate

19 of the 61 analytes this system has been tested for have been detected at least once, across 253 samples on record.

The other 42 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 253 samples on record, detections range from October 27, 2003 to July 6, 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 Wellsgate, 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 150 of 150 results Sep 15, 2004 Sep 17, 2025
Lead 1030 Inorganic Chemical 79 of 150 results Sep 15, 2004 Sep 17, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 22 of 22 results May 19, 2004 Jul 6, 2026
Nitrate 1040 Inorganic Chemical 22 of 22 results May 19, 2004 Jul 6, 2026
Barium 1010 Inorganic Chemical 9 of 9 results Oct 27, 2003 Feb 27, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 16 results Aug 16, 2007 May 9, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 15, 2011 Jul 20, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 5 results Dec 15, 2011 Jul 20, 2012
Radium-226 4020 Radionuclide 5 of 5 results Dec 15, 2011 Jul 20, 2012
TTHM 2950 Organic Chemical 4 of 16 results Sep 6, 2007 Feb 17, 2026
Chloroform 2941 Organic Chemical 3 of 11 results Sep 6, 2007 Feb 17, 2026
Sodium 1052 Inorganic Chemical 3 of 3 results Oct 1, 2021 Feb 25, 2025
Calcium 1016 Inorganic Chemical 1 of 1 result Oct 1, 2021 Oct 1, 2021
Chloride 1017 Inorganic Chemical 1 of 1 result Oct 1, 2021 Oct 1, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 1 of 1 result Oct 1, 2021 Oct 1, 2021
Dichloroacetic Acid 2451 Organic Chemical 1 of 10 results Aug 22, 2019 Aug 22, 2019
Trichloroacetic Acid 2452 Organic Chemical 1 of 10 results Aug 22, 2019 Aug 22, 2019
Bromodichloromethane 2943 Organic Chemical 1 of 11 results Aug 22, 2019 Aug 22, 2019
Nickel 1036 Inorganic Chemical 1 of 9 results Mar 23, 2005 Mar 23, 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 91–100 of 253 samples, newest first — collected September 17, 2014 to April 15, 2015. The summary above covers all 253.

31 results from the 10 samples listed here: 13 detected, 18 not detected. Across the whole record it is 319 of 1,082. 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 Wellsgate, every result from 91 to 100 of 253 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
Apr 15, 2015 01:25
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
150416-057IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 15, 2015 01:25, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.015 mg/l , sample collected Apr 15, 2015 01:25, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 15, 2015 01:25, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 15, 2015 01:25, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 15, 2015 01:25, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 15, 2015 01:25, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 15, 2015 01:25, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 15, 2015 01:25, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 15, 2015 01:25, sampling point TF080 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 Apr 15, 2015 01:25, sampling point TF080 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 Apr 15, 2015 01:25, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Apr 8, 2015 14:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
150409-087NI
Laboratory
MSDH Lab
0.3 mg/l , sample collected Apr 8, 2015 14:15, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
0.3 mg/l , sample collected Apr 8, 2015 14:15, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 8, 2015 14:15, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Nov 24, 2014 12:09
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
141125-006NI
Laboratory
MSDH Lab
0.33 mg/l , sample collected Nov 24, 2014 12:09, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
0.33 mg/l , sample collected Nov 24, 2014 12:09, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Nov 24, 2014 12:09, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Sep 17, 2014 07:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140919-065PB
Laboratory
MSDH Lab
0.005 mg/l , sample collected Sep 17, 2014 07:45, 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 Sep 17, 2014 07:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Sep 17, 2014 06:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140919-064PB
Laboratory
MSDH Lab
0.0024 mg/l , sample collected Sep 17, 2014 06:52, 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 Sep 17, 2014 06:52, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Sep 17, 2014 15:03
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140919-063PB
Laboratory
MSDH Lab
0.0079 mg/l , sample collected Sep 17, 2014 15:03, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0005 mg/l , sample collected Sep 17, 2014 15:03, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Sep 17, 2014 07:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140919-061PB
Laboratory
MSDH Lab
0.006 mg/l , sample collected Sep 17, 2014 07:10, 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 Sep 17, 2014 07:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Sep 17, 2014 12:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140919-017PB
Laboratory
MSDH Lab
0.0417 mg/l , sample collected Sep 17, 2014 12:55, 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 Sep 17, 2014 12:55, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Sep 17, 2014 07:11
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140919-016PB
Laboratory
MSDH Lab
0.0639 mg/l , sample collected Sep 17, 2014 07:11, 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 Sep 17, 2014 07:11, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Sep 17, 2014 06:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140919-015PB
Laboratory
MSDH Lab
0.0067 mg/l , sample collected Sep 17, 2014 06:50, 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 Sep 17, 2014 06:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014

Routine (10).