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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

MS0090012 , East Chickasaw W/A #2

25 of the 57 analytes this system has been tested for have been detected at least once, across 383 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 383 samples on record, detections range from July 20, 1993 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 East Chickasaw W/A #2, 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 117 of 143 results Jul 20, 1993 Jun 10, 2025
Lead 1030 Inorganic Chemical 60 of 143 results Jul 20, 1993 Jun 10, 2025
Barium 1010 Inorganic Chemical 33 of 33 results Mar 12, 2002 Jan 13, 2025
Fluoride 1025 Inorganic Chemical 31 of 33 results Mar 12, 2002 Jan 13, 2025
Chromium 1020 Inorganic Chemical 20 of 33 results Mar 12, 2002 Jan 13, 2025
Nickel 1036 Inorganic Chemical 18 of 33 results Jan 12, 2004 Jan 13, 2025
Arsenic 1005 Inorganic Chemical 13 of 33 results Jan 12, 2004 Jan 13, 2025
TTHM 2950 Organic Chemical 12 of 21 results Jul 9, 2007 Jul 22, 2026
Selenium 1045 Inorganic Chemical 12 of 33 results Sep 8, 2003 Mar 24, 2008
Bromoform 2942 Organic Chemical 11 of 15 results Jul 9, 2007 Jul 22, 2026
Sodium 1052 Inorganic Chemical 9 of 9 results Sep 18, 2019 Oct 14, 2024
Nitrite 1041 Inorganic Chemical 6 of 68 results Jul 18, 2005 Jan 10, 2022
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 22 results Jul 9, 2007 Aug 23, 2021
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 15 results Mar 5, 2012 Oct 2, 2012
Sulfate 1055 Inorganic Chemical 4 of 6 results Mar 12, 2002 Jan 12, 2004
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 68 results May 3, 2004 May 5, 2008
Cadmium 1015 Inorganic Chemical 3 of 33 results Feb 14, 2005 Feb 14, 2005
Dibromochloromethane 2944 Organic Chemical 2 of 15 results Feb 13, 2024 Jul 30, 2024
Monochloroacetic Acid 2450 Organic Chemical 2 of 16 results Jul 16, 2018 Jul 13, 2020
Xylenes, Total 2955 Organic Chemical 2 of 39 results Jun 26, 2012 Jun 2, 2014
Nitrate 1040 Inorganic Chemical 2 of 68 results May 3, 2004 May 5, 2008
Dibromoacetic Acid 2454 Organic Chemical 1 of 16 results Jul 30, 2024 Jul 30, 2024
Carbon Tetrachloride 2982 Organic Chemical 1 of 39 results Feb 26, 2024 Feb 26, 2024
Dichloroacetic Acid 2451 Organic Chemical 1 of 16 results Jul 11, 2011 Jul 11, 2011
Cyanide 1024 Inorganic Chemical 1 of 30 results Jun 27, 2011 Jun 27, 2011

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 41–50 of 383 samples, newest first — collected June 21, 2022 to January 17, 2023. The summary above covers all 383.

42 results from the 10 samples listed here: 9 detected, 33 not detected. Across the whole record it is 375 of 1,976. 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 East Chickasaw W/A #2, every result from 41 to 50 of 383 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
Jan 17, 2023 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
VO-230118-017
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 17, 2023 12:30, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Jan 17, 2023 12:53
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-230118-054
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 17, 2023 12:53, 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 Jan 17, 2023 12:53, 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 Jan 17, 2023 12:53, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jan 17, 2023 12:10
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-230118-053
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 17, 2023 12:10, 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 Jan 17, 2023 12:10, 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 Jan 17, 2023 12:10, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jan 17, 2023 12:21
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-230118-052
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 17, 2023 12:21, 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 Jan 17, 2023 12:21, 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 Jan 17, 2023 12:21, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jun 21, 2022 13:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220622-066
Laboratory
MSDH Lab
0.222 mg/l , sample collected Jun 21, 2022 13:40, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 21, 2022 13:40, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 21, 2022 10:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220622-065
Laboratory
MSDH Lab
0.154 mg/l , sample collected Jun 21, 2022 10:01, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 21, 2022 10:01, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 21, 2022 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220622-064
Laboratory
MSDH Lab
0.181 mg/l , sample collected Jun 21, 2022 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
4.5 ug/l , sample collected Jun 21, 2022 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 21, 2022 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220622-063
Laboratory
MSDH Lab
0.241 mg/l , sample collected Jun 21, 2022 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.5 ug/l , sample collected Jun 21, 2022 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 21, 2022 08:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220622-062
Laboratory
MSDH Lab
0.234 mg/l , sample collected Jun 21, 2022 08:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.6 ug/l , sample collected Jun 21, 2022 08:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 21, 2022 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220622-061
Laboratory
MSDH Lab
0.125 mg/l , sample collected Jun 21, 2022 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 21, 2022 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022

Routine (10).