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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

MS0130023 , Siloam W/A #6-Una System

19 of the 59 analytes this system has been tested for have been detected at least once, across 313 samples on record.

The other 40 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 313 samples on record, detections range from October 10, 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 #6-Una System, 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 114 of 142 results Oct 10, 1993 Aug 9, 2023
Lead 1030 Inorganic Chemical 94 of 142 results Oct 11, 1993 Aug 9, 2023
Barium 1010 Inorganic Chemical 24 of 24 results Mar 19, 2002 Feb 3, 2025
Fluoride 1025 Inorganic Chemical 24 of 24 results Mar 19, 2002 Feb 3, 2025
Chromium 1020 Inorganic Chemical 16 of 24 results Mar 19, 2002 Feb 3, 2025
Arsenic 1005 Inorganic Chemical 10 of 24 results Jan 23, 2006 Feb 3, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 9 of 25 results Jul 9, 2007 Mar 20, 2023
Nickel 1036 Inorganic Chemical 8 of 24 results Feb 14, 2005 Apr 23, 2014
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 16, 2019 Oct 15, 2024
Selenium 1045 Inorganic Chemical 6 of 24 results Feb 14, 2005 Mar 26, 2008
Cadmium 1015 Inorganic Chemical 4 of 24 results Feb 14, 2005 Jan 23, 2006
TTHM 2950 Organic Chemical 3 of 23 results Jul 9, 2007 Mar 11, 2024
Monobromoacetic Acid 2453 Organic Chemical 3 of 12 results Aug 12, 2008 Jul 22, 2020
Nitrate-Nitrite 1038 Inorganic Chemical 2 of 47 results Jan 18, 2023 Jan 18, 2023
Nitrate 1040 Inorganic Chemical 2 of 47 results Jan 18, 2023 Jan 18, 2023
Nitrite 1041 Inorganic Chemical 2 of 47 results Jan 10, 2022 Jan 10, 2022
Monochloroacetic Acid 2450 Organic Chemical 2 of 12 results Jul 16, 2018 Jul 22, 2020
Gross Alpha Particle Activity 4109 Radionuclide 2 of 4 results Jun 27, 2012 Sep 13, 2012
Bromoform 2942 Organic Chemical 1 of 12 results Aug 31, 2011 Aug 31, 2011

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 table below lists 11–12 of 12 samples, newest first — collected October 15, 2024 to October 15, 2024. The summary above covers all 12.

2 results from the 2 samples listed here: 2 detected, 0 not detected. 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 #6-Una System, every result from 11 to 12 of 12 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
Oct 15, 2024 11:36
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NA-241016-033
Laboratory
MSDH Lab
98.7 mg/l , sample collected Oct 15, 2024 11:36, sampling point TF102 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 15, 2024 11:16
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-241016-032
Laboratory
MSDH Lab
101 mg/l , sample collected Oct 15, 2024 11:16, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024

Routine (2).