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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

MS0800015 , Nanih-Waiya Water Association

19 of the 57 analytes this system has been tested for have been detected at least once, across 289 samples on record.

The other 38 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 289 samples on record, detections range from November 3, 2003 to July 22, 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 Nanih-Waiya 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 144 of 201 results Aug 13, 2007 Jul 31, 2024
Lead 1030 Inorganic Chemical 18 of 201 results Aug 13, 2007 Jul 31, 2024
Barium 1010 Inorganic Chemical 10 of 10 results Nov 3, 2003 Apr 16, 2025
Nickel 1036 Inorganic Chemical 9 of 10 results Nov 3, 2003 Apr 16, 2025
TTHM 2950 Organic Chemical 8 of 18 results Sep 19, 2007 Sep 3, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 17 results Aug 5, 2010 Jul 31, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Aug 1, 2012
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 17, 2019 Jul 22, 2026
Chromium 1020 Inorganic Chemical 3 of 10 results Nov 3, 2003 Apr 16, 2025
Chloroform 2941 Organic Chemical 3 of 14 results Mar 4, 2024 Sep 3, 2024
Dibromochloromethane 2944 Organic Chemical 3 of 14 results Mar 4, 2024 Sep 3, 2024
Monochloroacetic Acid 2450 Organic Chemical 2 of 13 results May 16, 2024 May 16, 2024
Bromodichloromethane 2943 Organic Chemical 2 of 14 results Mar 4, 2024 Mar 4, 2024
Sulfate 1055 Inorganic Chemical 2 of 2 results Nov 3, 2003 Apr 5, 2004
Arsenic 1005 Inorganic Chemical 1 of 10 results Apr 16, 2025 Apr 16, 2025
Bromoform 2942 Organic Chemical 1 of 14 results Mar 4, 2024 Mar 4, 2024
Fluoride 1025 Inorganic Chemical 1 of 10 results Dec 14, 2016 Dec 14, 2016
Cadmium 1015 Inorganic Chemical 1 of 10 results May 2, 2005 May 2, 2005
Selenium 1045 Inorganic Chemical 1 of 10 results May 2, 2005 May 2, 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 131–140 of 289 samples, newest first — collected May 3, 2017 to May 3, 2017. The summary above covers all 289.

20 results from the 10 samples listed here: 8 detected, 12 not detected. Across the whole record it is 222 of 961. 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 Nanih-Waiya Water Association, every result from 131 to 140 of 289 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
May 3, 2017 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170504-055PB
Laboratory
MSDH Lab
0.0008 mg/l , sample collected May 3, 2017 06:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 06:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Collected
May 3, 2017 05:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170504-054PB
Laboratory
MSDH Lab
0.0005 mg/l , sample collected May 3, 2017 05:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 05:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Collected
May 3, 2017 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170504-053PB
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Collected
May 3, 2017 05:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170504-052PB
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 05:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 05:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Collected
May 3, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170504-051PB
Laboratory
MSDH Lab
0.0005 mg/l , sample collected May 3, 2017 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Collected
May 3, 2017 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170504-050PB
Laboratory
MSDH Lab
0.0021 mg/l , sample collected May 3, 2017 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Collected
May 3, 2017 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170504-049PB
Laboratory
MSDH Lab
0.0007 mg/l , sample collected May 3, 2017 06:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 06:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Collected
May 3, 2017 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170504-026PB
Laboratory
MSDH Lab
0.0005 mg/l , sample collected May 3, 2017 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Collected
May 3, 2017 05:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170504-025PB
Laboratory
MSDH Lab
0.0005 mg/l , sample collected May 3, 2017 05:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 05:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Collected
May 3, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170504-024PB
Laboratory
MSDH Lab
0.0051 mg/l , sample collected May 3, 2017 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2017 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Jun 30, 2017

Routine (10).