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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

MS0370011 , West Lamar Water Assn #1

30 of the 60 analytes this system has been tested for have been detected at least once, across 750 samples on record.

The other 30 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 750 samples on record, detections range from September 29, 2003 to July 6, 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 West Lamar Water Assn #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 240 of 240 results Jun 24, 2004 Jun 25, 2024
Lead 1030 Inorganic Chemical 122 of 240 results Jun 24, 2004 Jun 25, 2024
Barium 1010 Inorganic Chemical 54 of 54 results Sep 29, 2003 Jul 6, 2026
Fluoride 1025 Inorganic Chemical 54 of 54 results Sep 29, 2003 Jul 6, 2026
TTHM 2950 Organic Chemical 48 of 55 results Mar 10, 2004 Jun 24, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 40 of 54 results Mar 21, 2006 Apr 22, 2025
Xylenes, Total 2955 Organic Chemical 36 of 135 results Oct 31, 2007 Jul 15, 2015
Chloroform 2941 Organic Chemical 34 of 35 results Aug 3, 2006 Jun 24, 2026
Chromium 1020 Inorganic Chemical 29 of 54 results Sep 29, 2003 Apr 20, 2020
Dichloroacetic Acid 2451 Organic Chemical 26 of 32 results Jul 21, 2008 Dec 14, 2020
Trichloroacetic Acid 2452 Organic Chemical 26 of 32 results Aug 26, 2009 Dec 14, 2020
Bromodichloromethane 2943 Organic Chemical 22 of 35 results Jul 21, 2008 Jun 24, 2026
Ethylbenzene 2992 Organic Chemical 14 of 135 results Mar 4, 2009 Apr 21, 2010
Sodium 1052 Inorganic Chemical 11 of 11 results Feb 16, 2022 Feb 18, 2025
Nickel 1036 Inorganic Chemical 7 of 49 results Mar 23, 2005 Mar 31, 2014
Combined Radium (-226 & -228) 4010 Radionuclide 6 of 27 results Feb 16, 2009 May 20, 2019
Monochloroacetic Acid 2450 Organic Chemical 6 of 32 results Jun 9, 2014 Jun 11, 2018
Sulfate 1055 Inorganic Chemical 6 of 6 results Sep 29, 2003 Mar 1, 2004
Monobromoacetic Acid 2453 Organic Chemical 5 of 32 results Jun 28, 2016 Dec 14, 2020
Radium-226 4020 Radionuclide 5 of 27 results Jun 23, 2009 May 20, 2019
Radium-228 4030 Radionuclide 5 of 27 results Feb 16, 2009 May 20, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 13 results Mar 5, 2012 Oct 4, 2012
Arsenic 1005 Inorganic Chemical 4 of 54 results Dec 12, 2005 Mar 31, 2014
Gross Alpha Particle Activity 4109 Radionuclide 3 of 16 results Nov 23, 2009 Sep 12, 2012
Gross Beta Particle Activity 4100 Radionuclide 3 of 3 results Sep 30, 2009 Mar 10, 2010
Gross Alpha, Excl. Radon & U 4000 Radionuclide 2 of 14 results Nov 23, 2009 Mar 10, 2010
Mercury 1035 Inorganic Chemical 2 of 54 results Mar 23, 2005 Mar 23, 2005
Dibromochloromethane 2944 Organic Chemical 1 of 35 results Aug 26, 2009 Aug 26, 2009
Cadmium 1015 Inorganic Chemical 1 of 54 results Dec 12, 2005 Dec 12, 2005
Selenium 1045 Inorganic Chemical 1 of 54 results Dec 12, 2005 Dec 12, 2005

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 621–630 of 750 samples, newest first — collected September 19, 2007 to September 19, 2007. The summary above covers all 750.

20 results from the 10 samples listed here: 19 detected, 1 not detected. Across the whole record it is 818 of 4,862. 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 West Lamar Water Assn #1, every result from 621 to 630 of 750 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
Sep 19, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070920-067PB
Laboratory
MSDH Lab
0.0331 mg/l , sample collected Sep 19, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.006 mg/l , sample collected Sep 19, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 19, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070920-066PB
Laboratory
MSDH Lab
0.0361 mg/l , sample collected Sep 19, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0014 mg/l , sample collected Sep 19, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 19, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070920-065PB
Laboratory
MSDH Lab
0.127 mg/l , sample collected Sep 19, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0009 mg/l , sample collected Sep 19, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 19, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070920-064PB
Laboratory
MSDH Lab
0.1403 mg/l , sample collected Sep 19, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0009 mg/l , sample collected Sep 19, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 19, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070920-063PB
Laboratory
MSDH Lab
0.1867 mg/l , sample collected Sep 19, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0029 mg/l , sample collected Sep 19, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 19, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070920-062PB
Laboratory
MSDH Lab
0.1189 mg/l , sample collected Sep 19, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0007 mg/l , sample collected Sep 19, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 19, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070920-061PB
Laboratory
MSDH Lab
0.0779 mg/l , sample collected Sep 19, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 19, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 19, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070920-059PB
Laboratory
MSDH Lab
0.0603 mg/l , sample collected Sep 19, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.001 mg/l , sample collected Sep 19, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 19, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070920-053PB
Laboratory
MSDH Lab
0.084 mg/l , sample collected Sep 19, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0005 mg/l , sample collected Sep 19, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 19, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070920-052PB
Laboratory
MSDH Lab
0.2089 mg/l , sample collected Sep 19, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.001 mg/l , sample collected Sep 19, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007

Routine (10).