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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

MS0130015 , Siloam W/A #2-Griffith Well

22 of the 59 analytes this system has been tested for have been detected at least once, across 396 samples on record.

The other 37 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 396 samples on record, detections range from October 3, 1993 to April 20, 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 Siloam W/A #2-Griffith Well, 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 102 of 128 results Oct 3, 1993 Jul 21, 2023
Lead 1030 Inorganic Chemical 99 of 128 results Oct 3, 1993 Jul 21, 2023
Barium 1010 Inorganic Chemical 35 of 35 results Mar 19, 2002 Feb 3, 2025
Fluoride 1025 Inorganic Chemical 35 of 35 results Mar 19, 2002 Feb 3, 2025
Chromium 1020 Inorganic Chemical 28 of 35 results Jan 26, 2004 Feb 3, 2025
Arsenic 1005 Inorganic Chemical 17 of 35 results Jan 26, 2004 Feb 3, 2025
Selenium 1045 Inorganic Chemical 13 of 35 results Jan 26, 2004 Apr 13, 2020
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 10 of 35 results May 10, 2004 Apr 7, 2025
Nickel 1036 Inorganic Chemical 10 of 35 results Feb 14, 2005 Apr 13, 2020
Sodium 1052 Inorganic Chemical 9 of 9 results Sep 16, 2019 Oct 15, 2024
TTHM 2950 Organic Chemical 9 of 35 results May 10, 2004 Jan 25, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 6 of 6 results Dec 7, 2011 Jan 22, 2018
Thallium, Total 1085 Inorganic Chemical 3 of 35 results Apr 13, 2020 Apr 13, 2020
Dibromoacetic Acid 2454 Organic Chemical 2 of 9 results Jun 29, 2009 Apr 20, 2026
Cyanide 1024 Inorganic Chemical 2 of 28 results May 1, 2018 May 1, 2018
Bromoform 2942 Organic Chemical 2 of 10 results Jun 6, 2007 Jul 14, 2014
Gross Alpha Particle Activity 4109 Radionuclide 2 of 4 results Jun 27, 2012 Sep 13, 2012
Nitrite 1041 Inorganic Chemical 1 of 67 results Jan 10, 2022 Jan 10, 2022
Monochloroacetic Acid 2450 Organic Chemical 1 of 9 results Jul 14, 2014 Jul 14, 2014
Monobromoacetic Acid 2453 Organic Chemical 1 of 9 results Jun 23, 2011 Jun 23, 2011
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 67 results Nov 29, 2004 Nov 29, 2004
Nitrate 1040 Inorganic Chemical 1 of 67 results Nov 29, 2004 Nov 29, 2004

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 151–160 of 396 samples, newest first — collected November 17, 2014 to January 23, 2017. The summary above covers all 396.

36 results from the 10 samples listed here: 3 detected, 33 not detected. Across the whole record it is 389 of 1,891. 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 #2-Griffith Well, every result from 151 to 160 of 396 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 23, 2017 13:50
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
170124-016NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 23, 2017 13:50, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 23, 2017 13:50, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 23, 2017 13:50, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Mar 21, 2016 14:48
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
160322-011NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 21, 2016 14:48, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 21, 2016 14:48, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 21, 2016 14:48, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Mar 21, 2016 14:48
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
160322-009NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 21, 2016 14:48, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 21, 2016 14:48, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 21, 2016 14:48, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Mar 21, 2016 14:47
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160322-008NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 21, 2016 14:47, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 21, 2016 14:47, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 21, 2016 14:47, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Mar 2, 2015 01:16
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
150303-065IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2015 01:16, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0357 mg/l , sample collected Mar 2, 2015 01:16, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2015 01:16, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0029 mg/l , sample collected Mar 2, 2015 01:16, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.657 mg/l , sample collected Mar 2, 2015 01:16, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2015 01:16, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2015 01:16, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 2, 2015 01:16, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2015 01:16, sampling point TF103 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 Mar 2, 2015 01:16, sampling point TF103 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 Mar 2, 2015 01:16, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Feb 23, 2015 01:16
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
150224-016CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Feb 23, 2015 01:16, sampling point TF103 Cyanide 1024 EPA method QC10204001X Not recorded
Collected
Jan 26, 2015 14:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
150127-023NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 14:15, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 14:15, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 14:15, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Jan 26, 2015 14:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150127-022NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 14:15, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 14:15, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 14:15, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Jan 26, 2015 14:16
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
150127-021NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 14:16, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 14:16, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 26, 2015 14:16, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Nov 17, 2014 13:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
141118-019NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Nov 17, 2014 13:45, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Nov 17, 2014 13:45, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Nov 17, 2014 13:45, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014

Routine (10).