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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

MS0400015 , Tyson Foods #1

21 of the 53 analytes this system has been tested for have been detected at least once, across 179 samples on record.

The other 32 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 179 samples on record, detections range from October 1, 2003 to November 12, 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 Tyson Foods #1, 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 60 of 60 results Aug 7, 2007 Aug 29, 2023
Lead 1030 Inorganic Chemical 51 of 60 results Aug 7, 2007 Aug 29, 2023
TTHM 2950 Organic Chemical 18 of 18 results Jun 28, 2004 Nov 12, 2025
Barium 1010 Inorganic Chemical 17 of 17 results Oct 1, 2003 Jan 11, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 16 of 18 results Aug 23, 2007 Nov 12, 2025
Chloroform 2941 Organic Chemical 14 of 14 results Aug 23, 2007 Nov 12, 2025
Dichloroacetic Acid 2451 Organic Chemical 13 of 14 results Aug 23, 2007 Nov 12, 2025
Bromodichloromethane 2943 Organic Chemical 13 of 14 results Aug 23, 2007 Nov 12, 2025
Trichloroacetic Acid 2452 Organic Chemical 12 of 14 results Aug 23, 2007 Nov 12, 2025
Dibromochloromethane 2944 Organic Chemical 11 of 14 results Aug 23, 2007 Nov 12, 2025
Chromium 1020 Inorganic Chemical 9 of 17 results Mar 1, 2004 Apr 28, 2020
Dibromoacetic Acid 2454 Organic Chemical 8 of 14 results Aug 23, 2007 Nov 12, 2025
Bromoform 2942 Organic Chemical 8 of 14 results Feb 20, 2024 Nov 12, 2025
Nickel 1036 Inorganic Chemical 7 of 17 results Oct 1, 2003 Jan 11, 2024
Fluoride 1025 Inorganic Chemical 4 of 17 results Aug 28, 2018 Jan 11, 2024
Monochloroacetic Acid 2450 Organic Chemical 3 of 14 results Jul 23, 2013 Oct 29, 2024
Sodium 1052 Inorganic Chemical 3 of 3 results Feb 15, 2022 Feb 15, 2022
Arsenic 1005 Inorganic Chemical 3 of 17 results Aug 28, 2018 Apr 28, 2020
Sulfate 1055 Inorganic Chemical 2 of 2 results Oct 1, 2003 Mar 1, 2004
Thallium, Total 1085 Inorganic Chemical 1 of 17 results Apr 28, 2020 Apr 28, 2020
Dichloromethane 2964 Organic Chemical 1 of 9 results Aug 11, 2004 Aug 11, 2004

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 71–80 of 179 samples, newest first — collected August 28, 2018 to March 31, 2020. The summary above covers all 179.

59 results from the 10 samples listed here: 16 detected, 43 not detected. Across the whole record it is 274 of 811. 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 Tyson Foods #1, every result from 71 to 80 of 179 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
Mar 31, 2020 09:30
Sampling point
TF101 Treatment Facility TF101
Sample type
Routine
Lab sample
200401-002NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 31, 2020 09:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 31, 2020 09:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 31, 2020 09:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Apr 1, 2019 14:40
Sampling point
TF101 Treatment Facility TF101
Sample type
Routine
Lab sample
190402-009NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 14:40, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 14:40, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 14:40, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Apr 1, 2019 14:30
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
190402-008NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 14:30, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 14:30, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 14:30, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Apr 1, 2019 14:20
Sampling point
TF102 Treatment Facility 102
Sample type
Routine
Lab sample
190402-007NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 14:20, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 14:20, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 1, 2019 14:20, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Nov 6, 2018 10:40
Sampling point
TF101 Treatment Facility TF101
Sample type
Routine
Lab sample
181107-020NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Nov 6, 2018 10:40, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Nov 6, 2018 10:40, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Nov 6, 2018 10:40, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Sep 11, 2018 06:50
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
180912-004HA
Laboratory
MSDH Lab
0.003 mg/l , sample collected Sep 11, 2018 06:50, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Sep 11, 2018 06:50, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Sep 11, 2018 06:50, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 11, 2018 06:50, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Sep 11, 2018 06:50, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Sep 11, 2018 06:50, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2017 – Dec 31, 2019
Collected
Sep 11, 2018 08:40
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
180912-004TH
Laboratory
MSDH Lab
4.67 ug/l , sample collected Sep 11, 2018 08:40, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 11, 2018 08:40, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
4.77 ug/l , sample collected Sep 11, 2018 08:40, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
3.75 ug/l , sample collected Sep 11, 2018 08:40, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
13.19 ug/l , sample collected Sep 11, 2018 08:40, sampling point MRT000 TTHM 2950 Jan 1, 2017 – Dec 31, 2019
Collected
Aug 28, 2018 09:15
Sampling point
TF101 Treatment Facility TF101
Sample type
Routine
Lab sample
180829-035IN
Laboratory
MSDH Lab
0.0005 mg/l , sample collected Aug 28, 2018 09:15, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.0301 mg/l , sample collected Aug 28, 2018 09:15, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:15, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:15, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:15, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:15, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:15, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:15, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:15, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:15, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:15, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Aug 28, 2018 09:21
Sampling point
TF102 Treatment Facility 102
Sample type
Routine
Lab sample
180829-031IN
Laboratory
MSDH Lab
0.0006 mg/l , sample collected Aug 28, 2018 09:21, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.0303 mg/l , sample collected Aug 28, 2018 09:21, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:21, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:21, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:21, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:21, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:21, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:21, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:21, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:21, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:21, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Aug 28, 2018 09:30
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
180829-026IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:30, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.0314 mg/l , sample collected Aug 28, 2018 09:30, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:30, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.0034 mg/l , sample collected Aug 28, 2018 09:30, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.114 mg/l , sample collected Aug 28, 2018 09:30, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:30, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:30, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:30, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:30, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:30, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2018 09:30, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018

Routine (10).