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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 101–110 of 253 samples, newest first — collected July 19, 2012 to September 17, 2014. The summary above covers all 253.

30 results from the 10 samples listed here: 13 detected, 17 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 101 to 110 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
Sep 17, 2014 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140919-014PB
Laboratory
MSDH Lab
0.0693 mg/l , sample collected Sep 17, 2014 07:00, 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 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Sep 17, 2014 10:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140919-013PB
Laboratory
MSDH Lab
0.0257 mg/l , sample collected Sep 17, 2014 10:53, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0007 mg/l , sample collected Sep 17, 2014 10:53, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Sep 16, 2014 20:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140919-018PB
Laboratory
MSDH Lab
0.1213 mg/l , sample collected Sep 16, 2014 20:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0014 mg/l , sample collected Sep 16, 2014 20:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 8, 2013 12:15
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130709-004TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 8, 2013 12:15, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 8, 2013 12:15, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 8, 2013 12:15, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 8, 2013 12:15, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Jul 8, 2013 12:15, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2013
Collected
Jul 8, 2013 12:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130709-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 8, 2013 12:10, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 8, 2013 12:10, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 8, 2013 12:10, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 8, 2013 12:10, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 8, 2013 12:10, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Jul 8, 2013 12:10, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2011 – Dec 31, 2013
Collected
Feb 20, 2013 02:45
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
130221-022NI
Laboratory
MSDH Lab
0.34 mg/l , sample collected Feb 20, 2013 02:45, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
0.34 mg/l , sample collected Feb 20, 2013 02:45, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 20, 2013 02:45, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Aug 15, 2012 02:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120816-012CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Aug 15, 2012 02:15, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Jul 20, 2012 14:58
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
201210180190
Laboratory
Radiation Safety Engineering
1.8 pci/l , sample collected Jul 20, 2012 14:58, sampling point TF080 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
0.5 pci/l , sample collected Jul 20, 2012 14:58, sampling point TF080 Combined Radium (-226 & -228) 4010 Not recorded
0.5 pci/l , sample collected Jul 20, 2012 14:58, sampling point TF080 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Jul 20, 2012 14:58, sampling point TF080 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 19, 2012 14:05
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120720-028
Laboratory
Radiation Safety Engineering
1.8 pci/l , sample collected Jul 19, 2012 14:05, sampling point TF080 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
0.5 pci/l , sample collected Jul 19, 2012 14:05, sampling point TF080 Combined Radium (-226 & -228) 4010 Not recorded
0.5 pci/l , sample collected Jul 19, 2012 14:05, sampling point TF080 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Jul 19, 2012 14:05, sampling point TF080 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 19, 2012 14:10
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120720-028RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 19, 2012 14:10, sampling point TF080 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012

Routine (10).