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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; the list of samples further down is narrowed.

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

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The table below lists 1–10 of 23 samples, newest first — collected June 25, 2025 to November 19, 2025. The summary above covers all 23.

29 results from the 10 samples listed here: 16 detected, 13 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.

We withheld the location of 7 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Nicholson Water Association, every result from 1 to 10 of 23 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
Nov 19, 2025 09:50
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-172762-2
Laboratory
Eurofins Eaton Analytical South Bend in
27 ug/l , sample collected Nov 19, 2025 09:50, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 19, 2025 09:50, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
6.4 ug/l , sample collected Nov 19, 2025 09:50, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.4 ug/l , sample collected Nov 19, 2025 09:50, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
34.8 ug/l , sample collected Nov 19, 2025 09:50, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Nov 19, 2025 09:30
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-172762-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 19, 2025 09:30, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
6.4 ug/l , sample collected Nov 19, 2025 09:30, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
6.1 ug/l , sample collected Nov 19, 2025 09:30, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 19, 2025 09:30, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 19, 2025 09:30, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
12.5 ug/l , sample collected Nov 19, 2025 09:30, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Dec 31, 2025
16 ug/l , sample collected Nov 19, 2025 09:30, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 19, 2025 09:30, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
4 ug/l , sample collected Nov 19, 2025 09:30, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.1 ug/l , sample collected Nov 19, 2025 09:30, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
21.1 ug/l , sample collected Nov 19, 2025 09:30, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Sep 30, 2025 12:35
Sampling point
TF103 Treatmentplant T103
Sample type
Routine
Lab sample
CN-251001-039
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 30, 2025 12:35, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 30, 2025 12:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-251001-040
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 30, 2025 12:15, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 30, 2025 12:05
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-251001-041
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 30, 2025 12:05, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Jun 25, 2025 08:15
Sampling point
LC0015 Location withheld
Sample type
Routine
Lab sample
PB-250626-070
Laboratory
MSDH Lab
0.0205 mg/l , sample collected Jun 25, 2025 08:15, sampling point LC0015 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2025 08:15, sampling point LC0015 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 25, 2025 06:30
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-250626-069
Laboratory
MSDH Lab
0.0293 mg/l , sample collected Jun 25, 2025 06:30, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2025 06:30, sampling point LC0012 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 25, 2025 05:36
Sampling point
LC0010 Location withheld
Sample type
Routine
Lab sample
PB-250626-068
Laboratory
MSDH Lab
0.134 mg/l , sample collected Jun 25, 2025 05:36, sampling point LC0010 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2025 05:36, sampling point LC0010 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 25, 2025 07:50
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-250626-066
Laboratory
MSDH Lab
0.0825 mg/l , sample collected Jun 25, 2025 07:50, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2025 07:50, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 25, 2025 07:00
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-250626-065
Laboratory
MSDH Lab
0.0392 mg/l , sample collected Jun 25, 2025 07:00, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2025 07:00, sampling point LC0007 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025

Routine (10).