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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 41–50 of 320 samples, newest first — collected June 14, 2023 to December 18, 2023. The summary above covers all 320.

20 results from the 10 samples listed here: 20 detected, 0 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.

We withheld the location of 4 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 S MS Public Water Auth-McLaurin, every result from 41 to 50 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
Dec 18, 2023 11:55
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
PB-231219-004
Laboratory
MSDH Lab
0.0053 mg/l , sample collected Dec 18, 2023 11:55, sampling point TF080 Copper, Free 1022 EPA method 200.8 Not recorded
0.7 ug/l , sample collected Dec 18, 2023 11:55, sampling point TF080 Lead 1030 EPA method 200.8 Not recorded
Collected
Jun 14, 2023 07:30
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-230615-083
Laboratory
MSDH Lab
0.349 mg/l , sample collected Jun 14, 2023 07:30, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
8.2 ug/l , sample collected Jun 14, 2023 07:30, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 08:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230615-088
Laboratory
MSDH Lab
1.82 mg/l , sample collected Jun 14, 2023 08:05, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
9.4 ug/l , sample collected Jun 14, 2023 08:05, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 05:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230615-086
Laboratory
MSDH Lab
1.91 mg/l , sample collected Jun 14, 2023 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
8.7 ug/l , sample collected Jun 14, 2023 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 07:05
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-230615-082
Laboratory
MSDH Lab
0.0709 mg/l , sample collected Jun 14, 2023 07:05, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
0.5 ug/l , sample collected Jun 14, 2023 07:05, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230615-089
Laboratory
MSDH Lab
1.04 mg/l , sample collected Jun 14, 2023 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
18.9 ug/l , sample collected Jun 14, 2023 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 07:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230615-080
Laboratory
MSDH Lab
2.28 mg/l , sample collected Jun 14, 2023 07:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
6.5 ug/l , sample collected Jun 14, 2023 07:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230615-081
Laboratory
MSDH Lab
0.404 mg/l , sample collected Jun 14, 2023 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
2.4 ug/l , sample collected Jun 14, 2023 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 07:30
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-230615-085
Laboratory
MSDH Lab
0.194 mg/l , sample collected Jun 14, 2023 07:30, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
5.9 ug/l , sample collected Jun 14, 2023 07:30, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 06:45
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-230615-087
Laboratory
MSDH Lab
0.122 mg/l , sample collected Jun 14, 2023 06:45, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
14.5 ug/l , sample collected Jun 14, 2023 06:45, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023

Routine (10).