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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

MS0130017 , Siloam W/A #4-Pine Bluff

19 of the 57 analytes this system has been tested for have been detected at least once, across 257 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 257 samples on record, detections range from December 7, 1993 to February 3, 2025. These figures cover the whole record; the list of samples further down is narrowed.

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 Siloam W/A #4-Pine Bluff, 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 111 of 138 results Dec 7, 1993 Jul 21, 2023
Lead 1030 Inorganic Chemical 95 of 138 results Dec 7, 1993 Jul 21, 2023
Barium 1010 Inorganic Chemical 11 of 11 results Mar 19, 2002 Feb 3, 2025
Arsenic 1005 Inorganic Chemical 9 of 11 results Jan 26, 2004 Feb 3, 2025
Fluoride 1025 Inorganic Chemical 8 of 11 results Jan 26, 2004 Feb 3, 2025
Chromium 1020 Inorganic Chemical 7 of 11 results Mar 19, 2002 Feb 3, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 29 results Jul 9, 2007 Oct 9, 2023
Selenium 1045 Inorganic Chemical 6 of 11 results Mar 19, 2002 Apr 23, 2014
Nickel 1036 Inorganic Chemical 5 of 11 results Jan 26, 2004 Apr 23, 2014
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 7, 2011 Jul 10, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 5 results Dec 7, 2011 Jul 10, 2012
Radium-226 4020 Radionuclide 5 of 5 results Dec 7, 2011 Jul 10, 2012
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 16, 2019 Oct 15, 2024
Cyanide 1024 Inorganic Chemical 2 of 10 results May 1, 2018 Apr 15, 2021
Monobromoacetic Acid 2453 Organic Chemical 2 of 6 results Aug 11, 2008 Aug 18, 2014
Cadmium 1015 Inorganic Chemical 2 of 11 results Feb 14, 2005 Jan 23, 2006
Xylenes, Total 2955 Organic Chemical 1 of 7 results Apr 18, 2022 Apr 18, 2022
Nitrite 1041 Inorganic Chemical 1 of 22 results Jan 10, 2022 Jan 10, 2022
TTHM 2950 Organic Chemical 1 of 28 results Jul 9, 2007 Jul 9, 2007

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The 9 samples collected between September 25, 2024 and September 25, 2026 are listed below, newest first.

31 results from the 9 samples listed here: 5 detected, 26 not detected. 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 Siloam W/A #4-Pine Bluff, every result from the 9 samples on record, 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 10, 2025 08:45
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-174941-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 10, 2025 08:45, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 10, 2025 08:45, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 10, 2025 08:45, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 10, 2025 08:45, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 10, 2025 08:45, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 10, 2025 08:45, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 10, 2025 08:45, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 10, 2025 08:45, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 10, 2025 08:45, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 10, 2025 08:45, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 10, 2025 08:45, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Jun 2, 2025 09:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-250603-010
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 2, 2025 09:40, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Feb 3, 2025 13:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250204-030
Laboratory
MSDH Lab
0.0019 mg/l , sample collected Feb 3, 2025 13:15, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.036 mg/l , sample collected Feb 3, 2025 13:15, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 13:15, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0021 mg/l , sample collected Feb 3, 2025 13:15, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.731 mg/l , sample collected Feb 3, 2025 13:15, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 13:15, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 13:15, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 13:15, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 13:15, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 13:15, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 13:15, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jan 27, 2025 13:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250128-058
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 13:15, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 13:15, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 13:15, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Oct 15, 2024 10:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-241016-025
Laboratory
MSDH Lab
151 mg/l , sample collected Oct 15, 2024 10:45, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 7, 2024 14:15
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
HA-241008-002
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 7, 2024 14:15, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Oct 7, 2024 14:10
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
HA-241008-001
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 7, 2024 14:10, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Oct 7, 2024 14:12
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-241008-002
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 7, 2024 14:12, sampling point SM2 TTHM 2950 EPA method 524.2 Not recorded
Collected
Oct 7, 2024 13:56
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-241008-001
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 7, 2024 13:56, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded

Routine (9).