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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

MS0820002 , Town of Bentonia

26 of the 62 analytes this system has been tested for have been detected at least once, across 120 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 120 samples on record, detections range from November 24, 2003 to June 23, 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 Town of Bentonia, 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 32 of 32 results Jul 12, 2007 Dec 19, 2023
Lead 1030 Inorganic Chemical 26 of 32 results Jul 12, 2007 Dec 19, 2023
Barium 1010 Inorganic Chemical 9 of 9 results Nov 24, 2003 Jun 23, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 9 results Jun 21, 2007 Mar 19, 2025
TTHM 2950 Organic Chemical 7 of 9 results Jun 21, 2007 Mar 19, 2025
Chromium 1020 Inorganic Chemical 5 of 9 results Nov 24, 2003 Jun 23, 2025
Fluoride 1025 Inorganic Chemical 4 of 10 results Apr 18, 2006 Jun 23, 2025
Nickel 1036 Inorganic Chemical 4 of 9 results Nov 24, 2003 Jun 3, 2013
Sodium 1052 Inorganic Chemical 3 of 3 results Oct 9, 2019 Mar 29, 2023
Dichloroacetic Acid 2451 Organic Chemical 3 of 5 results Sep 25, 2013 Dec 17, 2020
Chloroform 2941 Organic Chemical 3 of 5 results Sep 25, 2013 Dec 17, 2020
Bromodichloromethane 2943 Organic Chemical 3 of 5 results Sep 25, 2013 Dec 17, 2020
Sulfate 1055 Inorganic Chemical 2 of 2 results Nov 24, 2003 Jun 2, 2021
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 21 results Sep 29, 2022 Sep 29, 2022
Nitrate 1040 Inorganic Chemical 1 of 21 results Sep 29, 2022 Sep 29, 2022
Calcium 1016 Inorganic Chemical 1 of 1 result Jun 2, 2021 Jun 2, 2021
Chloride 1017 Inorganic Chemical 1 of 1 result Jun 2, 2021 Jun 2, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 1 of 1 result Jun 2, 2021 Jun 2, 2021
Alkalinity, Total 1927 Water Quality 1 of 1 result Jun 2, 2021 Jun 2, 2021
Trichloroacetic Acid 2452 Organic Chemical 1 of 5 results Dec 17, 2020 Dec 17, 2020
Monochloroacetic Acid 2450 Organic Chemical 1 of 5 results Dec 14, 2016 Dec 14, 2016
Dibromochloromethane 2944 Organic Chemical 1 of 5 results Sep 25, 2013 Sep 25, 2013
Nitrite 1041 Inorganic Chemical 1 of 21 results Aug 14, 2006 Aug 14, 2006
Arsenic 1005 Inorganic Chemical 1 of 9 results Dec 12, 2005 Dec 12, 2005
Cadmium 1015 Inorganic Chemical 1 of 9 results Dec 12, 2005 Dec 12, 2005
Selenium 1045 Inorganic Chemical 1 of 9 results Dec 12, 2005 Dec 12, 2005

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 120 samples, newest first — collected September 16, 2020 to December 13, 2021. The summary above covers all 120.

32 results from the 10 samples listed here: 19 detected, 13 not detected. Across the whole record it is 122 of 733. 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 Town of Bentonia, every result from 21 to 30 of 120 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
Dec 13, 2021 08:45
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-211214-008
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 13, 2021 08:45, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2021 – Dec 31, 2023
Collected
Oct 19, 2021 10:10
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
RU-211019-009
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 19, 2021 10:10, sampling point TF103 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Oct 19, 2021 10:20
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-211019-010
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 19, 2021 10:20, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Oct 19, 2021 10:20, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Oct 19, 2021 10:20, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Jun 2, 2021 10:15
Sampling point
WL003 Well W003
Sample type
Routine
Lab sample
7PC-210602-003
Laboratory
MSDH Lab
5.9 mg/l , sample collected Jun 2, 2021 10:15, sampling point WL003 Calcium 1016 EPA method 200.7 Not recorded
2.02 mg/l , sample collected Jun 2, 2021 10:15, sampling point WL003 Chloride 1017 EPA method 300.0 Not recorded
0.053 mg/l , sample collected Jun 2, 2021 10:15, sampling point WL003 Fluoride 1025 EPA method 300.0 Not recorded
65.9 mg/l , sample collected Jun 2, 2021 10:15, sampling point WL003 Sodium 1052 EPA method 200.7 Not recorded
9.27 mg/l , sample collected Jun 2, 2021 10:15, sampling point WL003 Sulfate 1055 EPA method 300.0 Not recorded
308 umho/cm , sample collected Jun 2, 2021 10:15, sampling point WL003 Conductivity @ 25 C Umhos/CM 1064 EPA method 2510B Not recorded
Not detected below 10 cu Minimum Reporting Level , sample collected Jun 2, 2021 10:15, sampling point WL003 Color 1905 EPA method 2120B Not recorded
157 mg/l , sample collected Jun 2, 2021 10:15, sampling point WL003 Alkalinity, Total 1927 EPA method 2320B Not recorded
Collected
Dec 17, 2020 11:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
201218-004TH
Laboratory
MSDH Lab
24.1 ug/l , sample collected Dec 17, 2020 11:00, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 17, 2020 11:00, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
3.7 ug/l , sample collected Dec 17, 2020 11:00, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 17, 2020 11:00, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
27.8 ug/l , sample collected Dec 17, 2020 11:00, sampling point MRT000 TTHM 2950 Jan 1, 2020 – Dec 31, 2020
Collected
Dec 17, 2020 11:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
201218-003HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Dec 17, 2020 11:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Dec 17, 2020 11:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Dec 17, 2020 11:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Dec 17, 2020 11:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Dec 17, 2020 11:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Dec 17, 2020 11:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2020 – Dec 31, 2020
Collected
Sep 27, 2020 02:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-009PB
Laboratory
MSDH Lab
0.0393 mg/l , sample collected Sep 27, 2020 02:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0006 mg/l , sample collected Sep 27, 2020 02:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 16, 2020 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200918-033PB
Laboratory
MSDH Lab
0.0374 mg/l , sample collected Sep 16, 2020 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 16, 2020 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 16, 2020 04:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200918-032PB
Laboratory
MSDH Lab
0.0437 mg/l , sample collected Sep 16, 2020 04:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0008 mg/l , sample collected Sep 16, 2020 04:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 16, 2020 07:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200918-031PB
Laboratory
MSDH Lab
0.0229 mg/l , sample collected Sep 16, 2020 07:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 16, 2020 07:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020

Routine (10).