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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.

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

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 111–120 of 257 samples, newest first — collected February 13, 2012 to April 23, 2014. The summary above covers all 257.

56 results from the 10 samples listed here: 17 detected, 39 not detected. Across the whole record it is 286 of 758. 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 Siloam W/A #4-Pine Bluff, every result from 111 to 120 of 257 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
Apr 23, 2014 01:57
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
140424-026IN
Laboratory
MSDH Lab
0.001 mg/l , sample collected Apr 23, 2014 01:57, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0793 mg/l , sample collected Apr 23, 2014 01:57, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2014 01:57, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2014 01:57, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.136 mg/l , sample collected Apr 23, 2014 01:57, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2014 01:57, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0033 mg/l , sample collected Apr 23, 2014 01:57, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
0.003 mg/l , sample collected Apr 23, 2014 01:57, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2014 01:57, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2014 01:57, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2014 01:57, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jan 27, 2014 13:26
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
140128-106NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 27, 2014 13:26, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 27, 2014 13:26, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 27, 2014 13:26, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Jan 22, 2013 01:39
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
130123-060NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 22, 2013 01:39, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 22, 2013 01:39, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 22, 2013 01:39, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Jul 12, 2012 01:21
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120713-002VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:21, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Jul 10, 2012 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
201211120020
Laboratory
Radiation Safety Engineering
0.8 pci/l , sample collected Jul 10, 2012 12:30, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
0.3 pci/l , sample collected Jul 10, 2012 12:30, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
0.3 pci/l , sample collected Jul 10, 2012 12:30, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 12:30, sampling point TF101 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 9, 2012 14:16
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120710-110
Laboratory
Radiation Safety Engineering
0.8 pci/l , sample collected Jul 9, 2012 14:16, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
0.3 pci/l , sample collected Jul 9, 2012 14:16, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
0.3 pci/l , sample collected Jul 9, 2012 14:16, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Jul 9, 2012 14:16, sampling point TF101 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 9, 2012 14:17
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120710-110RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 9, 2012 14:17, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
Apr 25, 2012 13:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120426-010
Laboratory
Radiation Safety Engineering
0.8 pci/l , sample collected Apr 25, 2012 13:15, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
0.3 pci/l , sample collected Apr 25, 2012 13:15, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
0.3 pci/l , sample collected Apr 25, 2012 13:15, sampling point TF101 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Apr 25, 2012 13:15, sampling point TF101 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 25, 2012 13:16
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120426-010RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2012 13:16, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Feb 13, 2012 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120214-030
Laboratory
Radiation Safety Engineering
0.8 pci/l , sample collected Feb 13, 2012 12:30, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
0.3 pci/l , sample collected Feb 13, 2012 12:30, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
0.3 pci/l , sample collected Feb 13, 2012 12:30, sampling point TF101 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Feb 13, 2012 12:30, sampling point TF101 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012

Routine (10).