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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

MS0420042 , Heartland Catfish

15 of the 53 analytes this system has been tested for have been detected at least once, across 159 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 159 samples on record, detections range from October 6, 2003 to March 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 Heartland Catfish, 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 49 of 49 results Sep 15, 2004 Sep 6, 2023
Lead 1030 Inorganic Chemical 21 of 49 results Sep 15, 2004 Oct 6, 2020
Barium 1010 Inorganic Chemical 19 of 19 results Oct 6, 2003 Mar 12, 2025
Fluoride 1025 Inorganic Chemical 19 of 19 results Oct 6, 2003 Mar 12, 2025
Chromium 1020 Inorganic Chemical 7 of 19 results Oct 6, 2003 Jan 10, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 7 results Aug 20, 2007 Feb 26, 2025
Chloroform 2941 Organic Chemical 4 of 4 results Aug 20, 2007 Sep 10, 2018
TTHM 2950 Organic Chemical 4 of 7 results Aug 20, 2007 Sep 10, 2018
Dichloroacetic Acid 2451 Organic Chemical 3 of 3 results Jun 10, 2010 Sep 10, 2018
Nickel 1036 Inorganic Chemical 3 of 19 results May 11, 2010 Apr 2, 2014
Nitrite 1041 Inorganic Chemical 2 of 38 results Mar 1, 2023 Mar 1, 2023
Sodium 1052 Inorganic Chemical 2 of 2 results Mar 2, 2022 Mar 2, 2022
Trichloroacetic Acid 2452 Organic Chemical 2 of 3 results Jul 24, 2013 Sep 10, 2018
Sulfate 1055 Inorganic Chemical 2 of 2 results Oct 6, 2003 Mar 1, 2004
Bromodichloromethane 2943 Organic Chemical 1 of 4 results Jul 24, 2013 Jul 24, 2013

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 21–30 of 159 samples, newest first — collected March 16, 2021 to June 27, 2022. The summary above covers all 159.

68 results from the 10 samples listed here: 4 detected, 64 not detected. Across the whole record it is 144 of 825. 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 Heartland Catfish, every result from 21 to 30 of 159 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 27, 2022 15:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
VO-220628-031
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2022 15:40, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
May 10, 2022 13:41
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-220511-049
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 10, 2022 13:41, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Mar 2, 2022 13:27
Sampling point
TF102
Sample type
Routine
Lab sample
NA-220303-004
Laboratory
MSDH Lab
94.7 mg/l , sample collected Mar 2, 2022 13:27, sampling point TF102 Sodium 1052 EPA method 200.7 Not recorded
Collected
Mar 2, 2022 13:42
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-220303-005
Laboratory
MSDH Lab
94.2 mg/l , sample collected Mar 2, 2022 13:42, sampling point TF101 Sodium 1052 EPA method 200.7 Not recorded
Collected
Mar 2, 2022 13:27
Sampling point
TF102
Sample type
Routine
Lab sample
NI-220303-002
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 2, 2022 13:27, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 2, 2022 13:27, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 2, 2022 13:27, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Mar 2, 2022 13:42
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-220303-003
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 2, 2022 13:42, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 2, 2022 13:42, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 2, 2022 13:42, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Apr 13, 2021 14:00
Sampling point
TF102
Sample type
Routine
Lab sample
210414-014VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 13, 2021 14:00, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2016 – Dec 31, 2021
Collected
Mar 30, 2021 13:30
Sampling point
TF102
Sample type
Routine
Lab sample
NI-210331-032
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 30, 2021 13:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 30, 2021 13:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 30, 2021 13:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Mar 30, 2021 13:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-210331-031
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 30, 2021 13:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 30, 2021 13:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 30, 2021 13:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Mar 16, 2021 15:45
Sampling point
TF102
Sample type
Routine
Lab sample
IN-210317-001
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 16, 2021 15:45, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.0038 mg/l , sample collected Mar 16, 2021 15:45, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 16, 2021 15:45, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 16, 2021 15:45, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.195 mg/l , sample collected Mar 16, 2021 15:45, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 16, 2021 15:45, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 16, 2021 15:45, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 16, 2021 15:45, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 16, 2021 15:45, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 16, 2021 15:45, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 16, 2021 15:45, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021

Routine (10).