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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

MS0370006 , North Lamar Water Association

34 of the 60 analytes this system has been tested for have been detected at least once, across 731 samples on record.

The other 26 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 731 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 North Lamar Water Association, 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 252 of 252 results Jul 12, 2004 Jun 18, 2024
Lead 1030 Inorganic Chemical 109 of 252 results Jul 12, 2004 Jun 18, 2024
Barium 1010 Inorganic Chemical 50 of 50 results Sep 29, 2003 Feb 25, 2025
Fluoride 1025 Inorganic Chemical 50 of 50 results Sep 29, 2003 Feb 25, 2025
TTHM 2950 Organic Chemical 47 of 47 results Mar 11, 2004 Dec 16, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 40 of 46 results Oct 19, 2005 Dec 16, 2025
Chloroform 2941 Organic Chemical 35 of 35 results Jun 11, 2007 Dec 16, 2025
Dichloroacetic Acid 2451 Organic Chemical 33 of 33 results Jun 30, 2008 Dec 16, 2025
Trichloroacetic Acid 2452 Organic Chemical 33 of 33 results Jun 30, 2008 Dec 16, 2025
Bromodichloromethane 2943 Organic Chemical 29 of 35 results Jun 11, 2007 Dec 16, 2025
Chromium 1020 Inorganic Chemical 19 of 50 results Sep 29, 2003 Apr 20, 2020
Sodium 1052 Inorganic Chemical 17 of 17 results Oct 1, 2019 Dec 2, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 18 results Mar 5, 2012 Jun 12, 2019
Nickel 1036 Inorganic Chemical 12 of 50 results Nov 15, 2004 Feb 25, 2025
Monochloroacetic Acid 2450 Organic Chemical 11 of 33 results Apr 7, 2014 Jun 12, 2018
Dibromochloromethane 2944 Organic Chemical 9 of 35 results Jun 30, 2008 Dec 16, 2025
Xylenes, Total 2955 Organic Chemical 7 of 89 results May 4, 2004 Jul 6, 2026
Combined Radium (-226 & -228) 4010 Radionuclide 7 of 30 results Feb 16, 2009 Jun 12, 2019
Radium-226 4020 Radionuclide 6 of 30 results Jun 23, 2009 Jun 12, 2019
Radium-228 4030 Radionuclide 5 of 30 results Feb 16, 2009 Jun 12, 2019
Gross Alpha Particle Activity 4109 Radionuclide 5 of 12 results Nov 23, 2009 Jan 14, 2013
Ethylbenzene 2992 Organic Chemical 3 of 89 results May 4, 2004 Jan 22, 2024
Monobromoacetic Acid 2453 Organic Chemical 3 of 33 results Jun 4, 2012 Dec 14, 2020
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 117 results May 19, 2004 Jul 10, 2006
Nitrate 1040 Inorganic Chemical 3 of 117 results May 19, 2004 Jul 10, 2006
Sulfate 1055 Inorganic Chemical 3 of 4 results Sep 29, 2003 Mar 3, 2004
Gross Beta Particle Activity 4100 Radionuclide 2 of 2 results Jun 23, 2009 Nov 23, 2009
Selenium 1045 Inorganic Chemical 2 of 50 results Mar 3, 2004 Dec 12, 2005
Mercury 1035 Inorganic Chemical 2 of 50 results Mar 3, 2004 Mar 21, 2005
Dichloromethane 2964 Organic Chemical 1 of 89 results Apr 29, 2013 Apr 29, 2013
Cyanide 1024 Inorganic Chemical 1 of 50 results Jun 6, 2011 Jun 6, 2011
Gross Alpha, Excl. Radon & U 4000 Radionuclide 1 of 8 results Nov 23, 2009 Nov 23, 2009
Arsenic 1005 Inorganic Chemical 1 of 50 results Dec 12, 2005 Dec 12, 2005
Cadmium 1015 Inorganic Chemical 1 of 50 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 251–260 of 731 samples, newest first — collected March 20, 2018 to June 12, 2018. The summary above covers all 731.

36 results from the 10 samples listed here: 14 detected, 22 not detected. Across the whole record it is 817 of 3,913. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 2 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for North Lamar Water Association, every result from 251 to 260 of 731 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
Jun 12, 2018 12:45
Sampling point
SM4 Location withheld
Sample type
Routine
Lab sample
180613-002HA
Laboratory
MSDH Lab
0.006 mg/l , sample collected Jun 12, 2018 12:45, sampling point SM4 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Jun 12, 2018 12:45, sampling point SM4 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Jun 12, 2018 12:45, sampling point SM4 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 12, 2018 12:45, sampling point SM4 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 12, 2018 12:45, sampling point SM4 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.014 mg/l , sample collected Jun 12, 2018 12:45, sampling point SM4 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
Jun 12, 2018 12:35
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
180613-001HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jun 12, 2018 12:35, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Jun 12, 2018 12:35, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Jun 12, 2018 12:35, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 12, 2018 12:35, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 12, 2018 12:35, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.009 mg/l , sample collected Jun 12, 2018 12:35, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
Jun 12, 2018 12:45
Sampling point
SM4 Location withheld
Sample type
Routine
Lab sample
180613-002TH
Laboratory
MSDH Lab
11.5 ug/l , sample collected Jun 12, 2018 12:45, sampling point SM4 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 12, 2018 12:45, sampling point SM4 Bromoform 2942 EPA method 524.2 Not recorded
3.59 ug/l , sample collected Jun 12, 2018 12:45, sampling point SM4 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 12, 2018 12:45, sampling point SM4 Dibromochloromethane 2944 EPA method 524.2 Not recorded
15.1 ug/l , sample collected Jun 12, 2018 12:45, sampling point SM4 TTHM 2950 Not recorded
Collected
Jun 12, 2018 12:35
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
180613-001TH
Laboratory
MSDH Lab
10.2 ug/l , sample collected Jun 12, 2018 12:35, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 12, 2018 12:35, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
3.47 ug/l , sample collected Jun 12, 2018 12:35, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.12 ug/l , sample collected Jun 12, 2018 12:35, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
14.8 ug/l , sample collected Jun 12, 2018 12:35, sampling point SM1 TTHM 2950 Not recorded
Collected
Jun 11, 2018 12:35
Sampling point
TF106 Treatment Plant T106
Sample type
Routine
Lab sample
180612-063RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 11, 2018 12:35, sampling point TF106 Combined Uranium 4006 EPA method 200.8 Jan 1, 2010 – Dec 31, 2018
Collected
Jun 11, 2018 12:30
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
180612-062RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 11, 2018 12:30, sampling point TF105 Combined Uranium 4006 EPA method 200.8 Jan 1, 2010 – Dec 31, 2018
Collected
Mar 20, 2018 13:20
Sampling point
TF107 Treatment Facility TF107
Sample type
Routine
Lab sample
180321-039NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:20, sampling point TF107 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:20, sampling point TF107 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:20, sampling point TF107 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Mar 20, 2018 13:40
Sampling point
TF110 Treatment Facility TF110
Sample type
Routine
Lab sample
180321-038NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:40, sampling point TF110 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:40, sampling point TF110 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:40, sampling point TF110 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Mar 20, 2018 13:25
Sampling point
TF109
Sample type
Routine
Lab sample
180321-037NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:25, sampling point TF109 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:25, sampling point TF109 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:25, sampling point TF109 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Mar 20, 2018 13:30
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
180321-036NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:30, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:30, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 20, 2018 13:30, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018

Routine (10).