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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

MS0670001 , Big Yeager Water Association

22 of the 58 analytes this system has been tested for have been detected at least once, across 125 samples on record.

The other 36 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 125 samples on record, detections range from October 27, 2003 to April 2, 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 Big Yeager 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 30 of 30 results Jul 10, 2007 Aug 7, 2023
Lead 1030 Inorganic Chemical 14 of 30 results Jul 10, 2007 Aug 7, 2023
Barium 1010 Inorganic Chemical 10 of 10 results Oct 27, 2003 Apr 2, 2025
Fluoride 1025 Inorganic Chemical 10 of 10 results Oct 27, 2003 Apr 2, 2025
TTHM 2950 Organic Chemical 6 of 7 results Aug 18, 2004 Feb 26, 2025
Chromium 1020 Inorganic Chemical 6 of 10 results Oct 27, 2003 Dec 20, 2016
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 7 results Sep 2, 2010 Feb 26, 2025
Dichloroacetic Acid 2451 Organic Chemical 4 of 4 results Sep 12, 2007 Dec 20, 2016
Chloroform 2941 Organic Chemical 4 of 4 results Sep 12, 2007 Dec 20, 2016
Xylenes, Total 2955 Organic Chemical 3 of 34 results Dec 7, 2004 Feb 2, 2012
Sodium 1052 Inorganic Chemical 2 of 2 results Sep 27, 2019 Dec 11, 2023
Nickel 1036 Inorganic Chemical 2 of 10 results Jun 3, 2013 Dec 6, 2022
Monochloroacetic Acid 2450 Organic Chemical 2 of 4 results Oct 29, 2013 Dec 20, 2016
Trichloroacetic Acid 2452 Organic Chemical 2 of 4 results Sep 2, 2010 Dec 20, 2016
Bromodichloromethane 2943 Organic Chemical 2 of 4 results Sep 2, 2010 Dec 20, 2016
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 21 results Apr 4, 2018 Apr 4, 2018
Nitrite 1041 Inorganic Chemical 1 of 21 results Apr 4, 2018 Apr 4, 2018
Dibromochloromethane 2944 Organic Chemical 1 of 4 results Dec 20, 2016 Dec 20, 2016
Gross Alpha Particle Activity 4109 Radionuclide 1 of 4 results Jun 28, 2012 Jun 28, 2012
Arsenic 1005 Inorganic Chemical 1 of 10 results Apr 12, 2006 Apr 12, 2006
Selenium 1045 Inorganic Chemical 1 of 10 results Apr 12, 2006 Apr 12, 2006
Beryllium, Total 1075 Inorganic Chemical 1 of 10 results Apr 7, 2004 Apr 7, 2004

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 5 samples collected between September 25, 2024 and September 25, 2026 are listed below, newest first.

16 results from the 5 samples listed here: 4 detected, 12 not detected. 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 Big Yeager Water Association, every result from the 5 samples on record, 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
Sep 16, 2025 09:05
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250917-020
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 16, 2025 09:05, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Apr 16, 2025 11:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250417-065
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 16, 2025 11:40, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 16, 2025 11:40, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 16, 2025 11:40, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 2, 2025 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250403-007
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2025 12:30, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.02 mg/l , sample collected Apr 2, 2025 12:30, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2025 12:30, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2025 12:30, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.152 mg/l , sample collected Apr 2, 2025 12:30, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2025 12:30, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 2, 2025 12:30, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2025 12:30, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2025 12:30, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2025 12:30, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 26, 2025 11:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-250227-014
Laboratory
MSDH Lab
13.5 ug/l , sample collected Feb 26, 2025 11:10, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 26, 2025 11:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-250227-014
Laboratory
MSDH Lab
6.34 ug/l , sample collected Feb 26, 2025 11:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2025

Routine (5).