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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 81–90 of 253 samples, newest first — collected March 9, 2016 to July 26, 2017. The summary above covers all 253.

39 results from the 10 samples listed here: 12 detected, 27 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 81 to 90 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
Jul 26, 2017 09:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170727-050PB
Laboratory
MSDH Lab
0.0664 mg/l , sample collected Jul 26, 2017 09:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0013 mg/l , sample collected Jul 26, 2017 09:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jul 26, 2017 01:49
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170727-048PB
Laboratory
MSDH Lab
0.0799 mg/l , sample collected Jul 26, 2017 01:49, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0026 mg/l , sample collected Jul 26, 2017 01:49, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jul 26, 2017 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170727-047PB
Laboratory
MSDH Lab
0.012 mg/l , sample collected Jul 26, 2017 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 26, 2017 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jul 26, 2017 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170727-046PB
Laboratory
MSDH Lab
0.0169 mg/l , sample collected Jul 26, 2017 10:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0005 mg/l , sample collected Jul 26, 2017 10:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jul 26, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170727-041PB
Laboratory
MSDH Lab
0.1772 mg/l , sample collected Jul 26, 2017 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 26, 2017 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Apr 19, 2017 02:10
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
170420-001VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Benzene 2990 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Toluene 2991 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2017 02:10, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2012 – Dec 31, 2017
Collected
Mar 21, 2017 02:10
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
170322-025NI
Laboratory
MSDH Lab
0.37 mg/l , sample collected Mar 21, 2017 02:10, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
0.37 mg/l , sample collected Mar 21, 2017 02:10, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 21, 2017 02:10, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Jun 21, 2016 01:45
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
160622-004CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 21, 2016 01:45, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Apr 18, 2016 14:18
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
160419-035NI
Laboratory
MSDH Lab
0.44 mg/l , sample collected Apr 18, 2016 14:18, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
0.43 mg/l , sample collected Apr 18, 2016 14:18, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 18, 2016 14:18, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Mar 9, 2016 01:43
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
160310-024CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Mar 9, 2016 01:43, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016

Routine (10).