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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

MS0180009 , S MS Public Water Auth-McLaurin

20 of the 57 analytes this system has been tested for have been detected at least once, across 320 samples on record.

The other 37 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 320 samples on record, detections range from September 22, 1993 to December 16, 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 S MS Public Water Auth-McLaurin, 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 168 of 202 results Sep 22, 1993 Dec 16, 2025
Lead 1030 Inorganic Chemical 71 of 202 results Sep 22, 1993 Dec 16, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 21 of 23 results May 12, 2004 Feb 4, 2025
Nitrate 1040 Inorganic Chemical 21 of 23 results May 12, 2004 Feb 4, 2025
Barium 1010 Inorganic Chemical 11 of 11 results May 14, 2002 Feb 4, 2025
Nickel 1036 Inorganic Chemical 11 of 11 results May 14, 2002 Feb 4, 2025
Xylenes, Total 2955 Organic Chemical 8 of 31 results Jan 14, 2004 Jun 14, 2010
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 19 results Sep 15, 2008 Mar 19, 2024
Chromium 1020 Inorganic Chemical 5 of 11 results May 14, 2002 Oct 2, 2018
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 10, 2012
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 23, 2019 Jan 30, 2024
TTHM 2950 Organic Chemical 3 of 20 results May 19, 2004 Jul 10, 2012
Cadmium 1015 Inorganic Chemical 3 of 11 results Jan 28, 2004 Jan 25, 2006
Ethylbenzene 2992 Organic Chemical 3 of 31 results Jan 14, 2004 May 26, 2005
Monochloroacetic Acid 2450 Organic Chemical 2 of 15 results Jul 24, 2018 May 5, 2020
Selenium 1045 Inorganic Chemical 2 of 11 results Mar 2, 2005 Jan 25, 2006
Fluoride 1025 Inorganic Chemical 1 of 11 results Jan 26, 2021 Jan 26, 2021
Dichloroacetic Acid 2451 Organic Chemical 1 of 15 results Jul 10, 2012 Jul 10, 2012
Bromodichloromethane 2943 Organic Chemical 1 of 15 results Jul 10, 2012 Jul 10, 2012
Monobromoacetic Acid 2453 Organic Chemical 1 of 15 results Sep 15, 2008 Sep 15, 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 151–160 of 320 samples, newest first — collected May 21, 2013 to June 24, 2014. The summary above covers all 320.

68 results from the 10 samples listed here: 8 detected, 60 not detected. Across the whole record it is 346 of 1,460. 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 S MS Public Water Auth-McLaurin, every result from 151 to 160 of 320 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 24, 2014 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140627-033PB
Laboratory
MSDH Lab
0.0025 mg/l , sample collected Jun 24, 2014 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 24, 2014 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 24, 2014 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140627-032PB
Laboratory
MSDH Lab
0.0078 mg/l , sample collected Jun 24, 2014 10:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 24, 2014 10:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 24, 2014
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140627-031PB
Laboratory
MSDH Lab
0.0046 mg/l , sample collected Jun 24, 2014, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 24, 2014, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 24, 2014 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140627-030PB
Laboratory
MSDH Lab
0.0057 mg/l , sample collected Jun 24, 2014 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 24, 2014 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 24, 2014 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140627-029PB
Laboratory
MSDH Lab
0.0033 mg/l , sample collected Jun 24, 2014 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 24, 2014 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 24, 2014 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140627-028PB
Laboratory
MSDH Lab
0.0032 mg/l , sample collected Jun 24, 2014 09:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 24, 2014 09:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 9, 2014 01:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
140610-012VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Benzene 2990 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Toluene 2991 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2014 01:15, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Collected
Apr 16, 2014 12:45
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
140417-059IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 12:45, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.024 mg/l , sample collected Apr 16, 2014 12:45, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 12:45, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 12:45, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 12:45, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 12:45, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0006 mg/l , sample collected Apr 16, 2014 12:45, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 12:45, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 12:45, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 12:45, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 12:45, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Feb 10, 2014 13:45
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
140211-106NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 13:45, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 13:45, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 10, 2014 13:45, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
May 21, 2013 01:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
130522-003VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Benzene 2990 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Toluene 2991 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2013 01:30, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2013 – Dec 31, 2013

Routine (10).