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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 31–40 of 179 samples, newest first — collected May 24, 2022 to August 29, 2023. The summary above covers all 179.

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

We withheld the location of 2 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 Tyson Foods #1, every result from 31 to 40 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
Aug 29, 2023 11:15
Sampling point
LC0013 Location withheld
Sample type
Routine
Lab sample
PB-230830-007
Laboratory
MSDH Lab
0.0038 mg/l , sample collected Aug 29, 2023 11:15, sampling point LC0013 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 29, 2023 11:15, sampling point LC0013 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 29, 2023 11:05
Sampling point
LC0015 Location withheld
Sample type
Routine
Lab sample
PB-230830-009
Laboratory
MSDH Lab
0.0051 mg/l , sample collected Aug 29, 2023 11:05, sampling point LC0015 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.7 ug/l , sample collected Aug 29, 2023 11:05, sampling point LC0015 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 29, 2023 10:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230830-010
Laboratory
MSDH Lab
0.0518 mg/l , sample collected Aug 29, 2023 10:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
1 ug/l , sample collected Aug 29, 2023 10:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jun 27, 2023 09:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230628-011
Laboratory
MSDH Lab
2.72 ug/l , sample collected Jun 27, 2023 09:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 27, 2023 09:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230628-011
Laboratory
MSDH Lab
6.34 ug/l , sample collected Jun 27, 2023 09:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Feb 28, 2023 09:00
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
NI-230228-111
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 09:00, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 09:00, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 09:00, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Feb 28, 2023 08:35
Sampling point
TF102 Treatment Facility 102
Sample type
Routine
Lab sample
NI-230228-112
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 08:35, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 08:35, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 08:35, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Feb 28, 2023 08:30
Sampling point
TF101 Treatment Facility TF101
Sample type
Routine
Lab sample
NI-230228-113
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 08:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 08:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 08:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
May 24, 2022 09:50
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-220525-014
Laboratory
MSDH Lab
4.27 ug/l , sample collected May 24, 2022 09:50, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2022 – Dec 31, 2022
Collected
May 24, 2022 09:50
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-220525-014
Laboratory
MSDH Lab
9.72 ug/l , sample collected May 24, 2022 09:50, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022

Routine (10).