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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

MS0550041 , Nicholson Water Association

20 of the 57 analytes this system has been tested for have been detected at least once, across 280 samples on record.

The other 37 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 280 samples on record, detections range from October 15, 2003 to November 19, 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 Nicholson Water Association, 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 72 of 72 results Aug 9, 2007 Jun 25, 2025
Lead 1030 Inorganic Chemical 34 of 72 results Aug 9, 2007 Jun 25, 2025
Barium 1010 Inorganic Chemical 25 of 25 results Oct 15, 2003 Mar 19, 2025
Fluoride 1025 Inorganic Chemical 25 of 25 results Oct 15, 2003 Mar 19, 2025
TTHM 2950 Organic Chemical 19 of 19 results Jul 28, 2004 Nov 19, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 17 of 17 results Oct 4, 2004 Nov 19, 2025
Chloroform 2941 Organic Chemical 15 of 15 results Sep 6, 2007 Nov 19, 2025
Bromodichloromethane 2943 Organic Chemical 15 of 15 results Sep 6, 2007 Nov 19, 2025
Dibromochloromethane 2944 Organic Chemical 13 of 15 results Sep 6, 2007 Nov 19, 2025
Dichloroacetic Acid 2451 Organic Chemical 12 of 12 results Jun 22, 2010 Nov 19, 2025
Trichloroacetic Acid 2452 Organic Chemical 12 of 12 results Jun 22, 2010 Nov 19, 2025
Chromium 1020 Inorganic Chemical 12 of 25 results Oct 15, 2003 Apr 16, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 15 results Mar 12, 2012 Oct 10, 2012
Sulfate 1055 Inorganic Chemical 4 of 4 results Oct 15, 2003 Mar 15, 2004
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 19, 2019 Sep 19, 2019
Xylenes, Total 2955 Organic Chemical 3 of 39 results Mar 2, 2011 Aug 11, 2014
Nickel 1036 Inorganic Chemical 3 of 25 results May 8, 2013 May 8, 2013
Cadmium 1015 Inorganic Chemical 2 of 25 results Apr 11, 2005 Apr 11, 2005
Selenium 1045 Inorganic Chemical 2 of 25 results Apr 11, 2005 Apr 11, 2005
Ethylbenzene 2992 Organic Chemical 1 of 39 results Mar 2, 2011 Mar 2, 2011

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 221–230 of 280 samples, newest first — collected January 27, 2010 to June 21, 2010. The summary above covers all 280.

36 results from the 10 samples listed here: 15 detected, 21 not detected. Across the whole record it is 294 of 1,677. 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 Nicholson Water Association, every result from 221 to 230 of 280 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 21, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100623-034PB
Laboratory
MSDH Lab
0.0641 mg/l , sample collected Jun 21, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 21, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 21, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100623-032PB
Laboratory
MSDH Lab
0.0068 mg/l , sample collected Jun 21, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0006 mg/l , sample collected Jun 21, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 21, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100623-030PB
Laboratory
MSDH Lab
0.1111 mg/l , sample collected Jun 21, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.004 mg/l , sample collected Jun 21, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 21, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100623-024PB
Laboratory
MSDH Lab
0.0206 mg/l , sample collected Jun 21, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 21, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 21, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100623-023PB
Laboratory
MSDH Lab
0.1276 mg/l , sample collected Jun 21, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0006 mg/l , sample collected Jun 21, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 21, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100623-022PB
Laboratory
MSDH Lab
0.0063 mg/l , sample collected Jun 21, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 21, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Feb 8, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100209-008CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Feb 8, 2010, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Feb 8, 2010
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
100209-006CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Feb 8, 2010, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Jan 27, 2010
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
100128-029IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.004935 mg/l , sample collected Jan 27, 2010, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.00108 mg/l , sample collected Jan 27, 2010, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.418 mg/l , sample collected Jan 27, 2010, sampling point TF102 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jan 27, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100128-028IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.003961 mg/l , sample collected Jan 27, 2010, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.001473 mg/l , sample collected Jan 27, 2010, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.383 mg/l , sample collected Jan 27, 2010, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2010, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010

Routine (10).