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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 191–200 of 396 samples, newest first — collected February 14, 2012 to July 12, 2012. The summary above covers all 396.

39 results from the 10 samples listed here: 4 detected, 35 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 191 to 200 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
Jul 12, 2012 01:52
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
120713-003VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Benzene 2990 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Toluene 2991 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 12, 2012 01:52, sampling point TF103 Styrene 2996 EPA method 524.2 Not recorded
Collected
Jul 11, 2012 14:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
201211120016
Laboratory
Radiation Safety Engineering
0.5 pci/l , sample collected Jul 11, 2012 14:15, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Jul 11, 2012 14:15, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.36 pci/l Minimum Reporting Level , sample collected Jul 11, 2012 14:15, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Jul 11, 2012 14:15, sampling point TF101 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 10, 2012 13:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120711-099
Laboratory
Radiation Safety Engineering
0.5 pci/l , sample collected Jul 10, 2012 13:20, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 13:20, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.36 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 13:20, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 13:20, sampling point TF101 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 10, 2012 13:21
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120711-099RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 10, 2012 13:21, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 10, 2012 13:49
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120711-096RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 10, 2012 13:49, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
Jun 27, 2012 12:19
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
201208230397
Laboratory
Radiation Safety Engineering
0.5 pci/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Jun 27, 2012 12:19, sampling point TF103 Gross Alpha Particle Activity 4109 EPA method 00-02 Not recorded
Collected
Apr 25, 2012 13:46
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120426-016
Laboratory
Radiation Safety Engineering
0.5 pci/l , sample collected Apr 25, 2012 13:46, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Apr 25, 2012 13:46, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.36 pci/l Minimum Reporting Level , sample collected Apr 25, 2012 13:46, sampling point TF101 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Apr 25, 2012 13:46, sampling point TF101 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 25, 2012 13:47
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120426-016RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2012 13:47, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 24, 2012 13:04
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120425-032RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2012 13:04, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Feb 14, 2012 13:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120215-076RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 14, 2012 13:00, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jan 1, 2012 – Mar 31, 2012

Routine (10).