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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.

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

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 61–70 of 313 samples, newest first — collected June 8, 2020 to July 23, 2020. The summary above covers all 313.

31 results from the 10 samples listed here: 14 detected, 17 not detected. Across the whole record it is 332 of 1,274. 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 61 to 70 of 313 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 23, 2020 14:11
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
200723-007TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 23, 2020 14:11, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 23, 2020 14:11, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 23, 2020 14:11, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 23, 2020 14:11, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Jul 23, 2020 14:11, sampling point MRT000 TTHM 2950 Jan 1, 2020 – Dec 31, 2020
Collected
Jul 22, 2020
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
200723-011HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 22, 2020, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 22, 2020, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 22, 2020, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 22, 2020, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 22, 2020, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Jul 22, 2020, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2020 – Dec 31, 2020
Collected
Jul 22, 2020 13:52
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
200723-010HA
Laboratory
MSDH Lab
0.005 mg/l , sample collected Jul 22, 2020 13:52, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 22, 2020 13:52, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 22, 2020 13:52, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Jul 22, 2020 13:52, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 22, 2020 13:52, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Jul 22, 2020 13:52, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2020 – Dec 31, 2020
Collected
Jun 8, 2020 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200609-042PB
Laboratory
MSDH Lab
0.4452 mg/l , sample collected Jun 8, 2020 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0093 mg/l , sample collected Jun 8, 2020 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 8, 2020 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200609-039PB
Laboratory
MSDH Lab
0.2101 mg/l , sample collected Jun 8, 2020 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 8, 2020 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 8, 2020 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200609-038PB
Laboratory
MSDH Lab
0.1836 mg/l , sample collected Jun 8, 2020 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0012 mg/l , sample collected Jun 8, 2020 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 8, 2020
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200609-037PB
Laboratory
MSDH Lab
0.2293 mg/l , sample collected Jun 8, 2020, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 8, 2020, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 8, 2020 06:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200609-036PB
Laboratory
MSDH Lab
0.1588 mg/l , sample collected Jun 8, 2020 06:25, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 8, 2020 06:25, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 8, 2020
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200609-034PB
Laboratory
MSDH Lab
0.141 mg/l , sample collected Jun 8, 2020, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0008 mg/l , sample collected Jun 8, 2020, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 8, 2020 05:11
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200609-032PB
Laboratory
MSDH Lab
0.2019 mg/l , sample collected Jun 8, 2020 05:11, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0006 mg/l , sample collected Jun 8, 2020 05:11, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020

Routine (10).