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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 31–40 of 289 samples, newest first — collected March 22, 2023 to June 13, 2023. The summary above covers all 289.

19 results from the 10 samples listed here: 10 detected, 9 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.

We withheld the location of 8 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 Nanih-Waiya Water Association, every result from 31 to 40 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
Jun 13, 2023 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230614-066
Laboratory
MSDH Lab
0.0075 mg/l , sample collected Jun 13, 2023 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 13, 2023 07:45
Sampling point
LC0014 Location withheld
Sample type
Routine
Lab sample
PB-230614-067
Laboratory
MSDH Lab
0.0073 mg/l , sample collected Jun 13, 2023 07:45, sampling point LC0014 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 07:45, sampling point LC0014 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 13, 2023 07:00
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-230614-072
Laboratory
MSDH Lab
0.0072 mg/l , sample collected Jun 13, 2023 07:00, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 07:00, sampling point LC0012 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 13, 2023 05:30
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-230614-068
Laboratory
MSDH Lab
0.0076 mg/l , sample collected Jun 13, 2023 05:30, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 05:30, sampling point LC0011 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 13, 2023 06:00
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-230614-073
Laboratory
MSDH Lab
0.0071 mg/l , sample collected Jun 13, 2023 06:00, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 06:00, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 13, 2023 06:30
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-230614-074
Laboratory
MSDH Lab
0.0073 mg/l , sample collected Jun 13, 2023 06:30, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 06:30, sampling point LC0007 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 13, 2023 07:00
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-230614-069
Laboratory
MSDH Lab
0.0073 mg/l , sample collected Jun 13, 2023 07:00, sampling point LC0005 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 07:00, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 13, 2023 06:00
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-230614-075
Laboratory
MSDH Lab
0.0071 mg/l , sample collected Jun 13, 2023 06:00, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 06:00, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 13, 2023 06:00
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-230614-071
Laboratory
MSDH Lab
0.0072 mg/l , sample collected Jun 13, 2023 06:00, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 13, 2023 06:00, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Mar 22, 2023 15:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-230323-010
Laboratory
MSDH Lab
4.47 mg/l , sample collected Mar 22, 2023 15:30, sampling point TF080 Sodium 1052 EPA method 200.7 Not recorded

Routine (10).