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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 141–150 of 253 samples, newest first — collected October 15, 2009 to June 15, 2010. The summary above covers all 253.

20 results from the 10 samples listed here: 17 detected, 3 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 141 to 150 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
Jun 15, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100616-013PB
Laboratory
MSDH Lab
0.1707 mg/l , sample collected Jun 15, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2010
0.0096 mg/l , sample collected Jun 15, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2010
Collected
Jun 15, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100616-012PB
Laboratory
MSDH Lab
0.3524 mg/l , sample collected Jun 15, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2010
0.0032 mg/l , sample collected Jun 15, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2010
Collected
Jun 15, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100616-011PB
Laboratory
MSDH Lab
0.1902 mg/l , sample collected Jun 15, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2010
0.0028 mg/l , sample collected Jun 15, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2010
Collected
Oct 16, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
091019-001PB
Laboratory
MSDH Lab
0.0108 mg/l , sample collected Oct 16, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
0.0012 mg/l , sample collected Oct 16, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
Collected
Oct 15, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
091019-014PB
Laboratory
MSDH Lab
0.0139 mg/l , sample collected Oct 15, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
0.0018 mg/l , sample collected Oct 15, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
Collected
Oct 15, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
091019-013PB
Laboratory
MSDH Lab
0.0067 mg/l , sample collected Oct 15, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 15, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
Collected
Oct 15, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
091019-012PB
Laboratory
MSDH Lab
0.0101 mg/l , sample collected Oct 15, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 15, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
Collected
Oct 15, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
091019-011PB
Laboratory
MSDH Lab
0.0125 mg/l , sample collected Oct 15, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
0.0007 mg/l , sample collected Oct 15, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
Collected
Oct 15, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
091019-009PB
Laboratory
MSDH Lab
0.0068 mg/l , sample collected Oct 15, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 15, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
Collected
Oct 15, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
091019-007PB
Laboratory
MSDH Lab
0.0228 mg/l , sample collected Oct 15, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009
0.0027 mg/l , sample collected Oct 15, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2009 – Dec 31, 2009

Routine (10).