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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

MS0370004 , Lamar Park Water & Sewage Assn

30 of the 60 analytes this system has been tested for have been detected at least once, across 450 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 450 samples on record, detections range from September 29, 2003 to June 22, 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 Lamar Park Water & Sewage Assn, 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 141 of 141 results Aug 28, 2007 Jul 17, 2024
Lead 1030 Inorganic Chemical 71 of 141 results Aug 28, 2007 Jul 17, 2024
Barium 1010 Inorganic Chemical 37 of 38 results Sep 29, 2003 Feb 25, 2025
Fluoride 1025 Inorganic Chemical 23 of 38 results Sep 29, 2003 Jun 22, 2026
Chromium 1020 Inorganic Chemical 21 of 38 results Sep 29, 2003 Apr 21, 2020
Gross Alpha, Incl. Radon & U 4002 Radionuclide 20 of 20 results Mar 7, 2012 Oct 5, 2012
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 16 of 19 results Sep 21, 2009 Nov 25, 2025
TTHM 2950 Organic Chemical 15 of 20 results Aug 13, 2007 Sep 3, 2025
Sodium 1052 Inorganic Chemical 13 of 13 results Dec 17, 2019 Jun 22, 2026
Combined Radium (-226 & -228) 4010 Radionuclide 12 of 28 results Sep 22, 2009 Oct 5, 2012
Radium-226 4020 Radionuclide 12 of 28 results Sep 22, 2009 Oct 5, 2012
Chloroform 2941 Organic Chemical 11 of 15 results Aug 13, 2007 Sep 3, 2025
Bromodichloromethane 2943 Organic Chemical 10 of 15 results Oct 26, 2020 Sep 3, 2025
Dibromochloromethane 2944 Organic Chemical 10 of 15 results Oct 26, 2020 Sep 3, 2025
Dichloroacetic Acid 2451 Organic Chemical 9 of 15 results Jun 29, 2015 Nov 25, 2025
Trichloroacetic Acid 2452 Organic Chemical 9 of 15 results Mar 4, 2024 Nov 25, 2025
Gross Alpha, Excl. Radon & U 4000 Radionuclide 8 of 8 results Sep 22, 2009 Mar 9, 2010
Gross Alpha Particle Activity 4109 Radionuclide 8 of 8 results Sep 22, 2009 Mar 9, 2010
Radium-228 4030 Radionuclide 7 of 28 results Sep 22, 2009 Mar 9, 2010
Gross Beta Particle Activity 4100 Radionuclide 7 of 7 results Sep 22, 2009 Mar 9, 2010
Sulfate 1055 Inorganic Chemical 6 of 6 results Sep 29, 2003 Mar 1, 2004
Nickel 1036 Inorganic Chemical 5 of 37 results Mar 21, 2005 Apr 1, 2019
Xylenes, Total 2955 Organic Chemical 3 of 57 results Aug 3, 2004 Oct 20, 2008
Ethylbenzene 2992 Organic Chemical 3 of 57 results Aug 3, 2004 Oct 20, 2008
Monobromoacetic Acid 2453 Organic Chemical 1 of 15 results Oct 26, 2020 Oct 26, 2020
Monochloroacetic Acid 2450 Organic Chemical 1 of 15 results Aug 27, 2018 Aug 27, 2018
Arsenic 1005 Inorganic Chemical 1 of 38 results Mar 31, 2014 Mar 31, 2014
Cyanide 1024 Inorganic Chemical 1 of 37 results Apr 25, 2011 Apr 25, 2011
Selenium 1045 Inorganic Chemical 1 of 38 results Dec 5, 2006 Dec 5, 2006
Thallium, Total 1085 Inorganic Chemical 1 of 38 results Dec 5, 2006 Dec 5, 2006

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 261–270 of 450 samples, newest first — collected March 7, 2012 to May 15, 2012. The summary above covers all 450.

49 results from the 10 samples listed here: 12 detected, 37 not detected. Across the whole record it is 483 of 2,543. 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 Lamar Park Water & Sewage Assn, every result from 261 to 270 of 450 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
May 15, 2012 14:27
Sampling point
TF105
Sample type
Routine
Lab sample
120516-111RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 15, 2012 14:27, sampling point TF105 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
May 15, 2012 14:50
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
120516-110RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 15, 2012 14:50, sampling point TF104 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
May 15, 2012 15:32
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
120516-074RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 15, 2012 15:32, sampling point TF103 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
May 15, 2012 15:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120516-073RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 15, 2012 15:20, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 30, 2012 02:25
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
120501-046IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:25, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.00451 mg/l , sample collected Apr 30, 2012 02:25, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:25, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.00263 mg/l , sample collected Apr 30, 2012 02:25, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.216 mg/l , sample collected Apr 30, 2012 02:25, sampling point TF104 Fluoride 1025 EPA method 380-75WE Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:25, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:25, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:25, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:25, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:25, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:25, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Apr 30, 2012 02:05
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
120501-045IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:05, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0776 mg/l , sample collected Apr 30, 2012 02:05, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:05, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.00087 mg/l , sample collected Apr 30, 2012 02:05, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:05, sampling point TF103 Fluoride 1025 EPA method 380-75WE Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:05, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:05, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:05, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:05, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:05, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 02:05, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Apr 30, 2012 01:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120501-044IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 01:45, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.06981 mg/l , sample collected Apr 30, 2012 01:45, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 01:45, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.00207 mg/l , sample collected Apr 30, 2012 01:45, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 01:45, sampling point TF102 Fluoride 1025 EPA method 380-75WE Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 01:45, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 01:45, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 01:45, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 01:45, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 01:45, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 30, 2012 01:45, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Mar 7, 2012 13:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120308-064
Laboratory
Radiation Safety Engineering
2.1 pci/l , sample collected Mar 7, 2012 13:45, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
0.4 pci/l , sample collected Mar 7, 2012 13:45, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
0.4 pci/l , sample collected Mar 7, 2012 13:45, sampling point TF102 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.38 pci/l Minimum Reporting Level , sample collected Mar 7, 2012 13:45, sampling point TF102 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Mar 7, 2012 14:05
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
120308-065
Laboratory
Radiation Safety Engineering
1.7 pci/l , sample collected Mar 7, 2012 14:05, sampling point TF103 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.35 pci/l Minimum Reporting Level , sample collected Mar 7, 2012 14:05, sampling point TF103 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.294 pci/l Minimum Reporting Level , sample collected Mar 7, 2012 14:05, sampling point TF103 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.35 pci/l Minimum Reporting Level , sample collected Mar 7, 2012 14:05, sampling point TF103 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Mar 7, 2012 14:29
Sampling point
TF105
Sample type
Routine
Lab sample
120308-067
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected Mar 7, 2012 14:29, sampling point TF105 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.368 pci/l Minimum Reporting Level , sample collected Mar 7, 2012 14:29, sampling point TF105 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.368 pci/l Minimum Reporting Level , sample collected Mar 7, 2012 14:29, sampling point TF105 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.35 pci/l Minimum Reporting Level , sample collected Mar 7, 2012 14:29, sampling point TF105 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012

Routine (10).