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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

MS0260014 , South Holmes W/A #1

21 of the 57 analytes this system has been tested for have been detected at least once, across 256 samples on record.

The other 36 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 256 samples on record, detections range from November 10, 1993 to February 10, 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 South Holmes W/A #1, 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 84 of 96 results Nov 10, 1993 Jul 11, 2023
Lead 1030 Inorganic Chemical 45 of 96 results Nov 10, 1993 Jul 11, 2023
Barium 1010 Inorganic Chemical 20 of 20 results Sep 17, 2003 Feb 11, 2025
Fluoride 1025 Inorganic Chemical 12 of 20 results Mar 14, 2005 Feb 11, 2025
Nitrite 1041 Inorganic Chemical 9 of 50 results Aug 10, 2005 Feb 10, 2026
Sodium 1052 Inorganic Chemical 9 of 9 results Sep 25, 2019 Feb 6, 2024
Chromium 1020 Inorganic Chemical 9 of 20 results Sep 17, 2003 Oct 30, 2018
Nitrate-Nitrite 1038 Inorganic Chemical 8 of 50 results Feb 14, 2017 Feb 11, 2025
TTHM 2950 Organic Chemical 8 of 13 results Jun 7, 2004 Nov 5, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 13 results Aug 6, 2007 Nov 5, 2024
Chloroform 2941 Organic Chemical 5 of 10 results Sep 22, 2008 Nov 5, 2024
Nitrate 1040 Inorganic Chemical 5 of 50 results Feb 14, 2017 Mar 19, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Dec 6, 2011 Jul 11, 2012
Dichloroacetic Acid 2451 Organic Chemical 4 of 9 results Jun 17, 2013 Nov 5, 2024
Trichloroacetic Acid 2452 Organic Chemical 4 of 9 results Jun 17, 2013 Nov 5, 2024
Bromodichloromethane 2943 Organic Chemical 4 of 10 results Sep 22, 2008 Nov 5, 2024
Selenium 1045 Inorganic Chemical 2 of 20 results Mar 14, 2005 Feb 6, 2006
Sulfate 1055 Inorganic Chemical 2 of 2 results Sep 17, 2003 Feb 9, 2004
Dibromochloromethane 2944 Organic Chemical 1 of 10 results Aug 7, 2024 Aug 7, 2024
Monochloroacetic Acid 2450 Organic Chemical 1 of 9 results Aug 1, 2018 Aug 1, 2018
Nickel 1036 Inorganic Chemical 1 of 20 results Apr 14, 2008 Apr 14, 2008

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 251–256 of 256 samples, newest first — collected November 10, 1993 to November 17, 1993. The summary above covers all 256.

12 results from the 6 samples listed here: 7 detected, 5 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 South Holmes W/A #1, every result from 251 to 256 of 256 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
Nov 17, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931118-161L
Laboratory
MSDH Lab
0.24 mg/l , sample collected Nov 17, 1993, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Nov 17, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 10, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931118-169L
Laboratory
MSDH Lab
0.093 mg/l , sample collected Nov 10, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Nov 10, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 10, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931118-168L
Laboratory
MSDH Lab
0.655 mg/l , sample collected Nov 10, 1993, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Nov 10, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 10, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931118-167L
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Method Detection Limit , sample collected Nov 10, 1993, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Nov 10, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 10, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931118-165L
Laboratory
MSDH Lab
0.357 mg/l , sample collected Nov 10, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Nov 10, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 10, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
931118-162L
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Method Detection Limit , sample collected Nov 10, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Nov 10, 1993, sampling point DS000 Lead 1030 Not recorded

Routine (6).