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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

MS0170015 , City of Olive Branch

37 of the 66 analytes this system has been tested for have been detected at least once, across 1,107 samples on record.

The other 29 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 1,107 samples on record, detections range from December 1, 1992 to June 23, 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 City of Olive Branch, 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 420 of 446 results Dec 1, 1992 Jun 24, 2024
Lead 1030 Inorganic Chemical 245 of 446 results Dec 1, 1992 Jun 19, 2024
Nitrate-Nitrite 1038 Inorganic Chemical 133 of 157 results May 3, 2004 Jun 17, 2026
Nitrate 1040 Inorganic Chemical 133 of 157 results May 3, 2004 Jun 17, 2026
Barium 1010 Inorganic Chemical 83 of 83 results Apr 16, 2002 Jun 17, 2026
Fluoride 1025 Inorganic Chemical 74 of 92 results Apr 16, 2002 Jun 23, 2026
Nickel 1036 Inorganic Chemical 63 of 82 results Apr 16, 2002 Feb 3, 2025
Chromium 1020 Inorganic Chemical 37 of 83 results Apr 16, 2002 Feb 3, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 36 of 45 results Dec 12, 2011 Oct 23, 2019
Radium-226 4020 Radionuclide 29 of 59 results Sep 16, 2009 Oct 23, 2019
Combined Radium (-226 & -228) 4010 Radionuclide 28 of 59 results Sep 16, 2009 Oct 23, 2019
Radium-228 4030 Radionuclide 25 of 59 results Sep 16, 2009 Oct 23, 2019
Sodium 1052 Inorganic Chemical 22 of 22 results Sep 23, 2019 Jun 17, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 20 of 51 results Sep 1, 2005 Jul 17, 2023
Selenium 1045 Inorganic Chemical 17 of 83 results Apr 16, 2002 Apr 2, 2008
Sulfate 1055 Inorganic Chemical 15 of 23 results May 14, 2002 Sep 15, 2021
TTHM 2950 Organic Chemical 11 of 52 results Apr 13, 2004 Oct 13, 2025
Monochloroacetic Acid 2450 Organic Chemical 9 of 30 results Jun 5, 2012 Jul 18, 2019
Xylenes, Total 2955 Organic Chemical 8 of 118 results Jan 14, 2004 Jun 16, 2010
Gross Alpha, Excl. Radon & U 4000 Radionuclide 6 of 14 results Sep 16, 2009 Mar 10, 2010
Gross Beta Particle Activity 4100 Radionuclide 6 of 6 results Sep 16, 2009 Mar 10, 2010
Gross Alpha Particle Activity 4109 Radionuclide 6 of 14 results Sep 16, 2009 Mar 10, 2010
Cadmium 1015 Inorganic Chemical 6 of 83 results Mar 2, 2005 Jan 25, 2006
Arsenic 1005 Inorganic Chemical 4 of 83 results Jan 26, 2004 Apr 14, 2014
Calcium 1016 Inorganic Chemical 3 of 3 results Sep 15, 2021 Sep 15, 2021
Chloride 1017 Inorganic Chemical 3 of 3 results Sep 15, 2021 Sep 15, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 3 of 3 results Sep 15, 2021 Sep 15, 2021
Alkalinity, Total 1927 Water Quality 3 of 3 results Sep 15, 2021 Sep 15, 2021
Chloroform 2941 Organic Chemical 1 of 34 results Oct 13, 2025 Oct 13, 2025
Bromoform 2942 Organic Chemical 1 of 34 results Oct 13, 2025 Oct 13, 2025
Bromodichloromethane 2943 Organic Chemical 1 of 34 results Oct 13, 2025 Oct 13, 2025
Dibromochloromethane 2944 Organic Chemical 1 of 34 results Oct 13, 2025 Oct 13, 2025
Thallium, Total 1085 Inorganic Chemical 1 of 83 results Feb 3, 2025 Feb 3, 2025
Asbestos 1094 Inorganic Chemical 1 of 1 result Sep 10, 2019 Sep 10, 2019
Dibromoacetic Acid 2454 Organic Chemical 1 of 30 results Jan 15, 2014 Jan 15, 2014
Dichloroacetic Acid 2451 Organic Chemical 1 of 30 results Oct 7, 2013 Oct 7, 2013
Ethylbenzene 2992 Organic Chemical 1 of 118 results Apr 21, 2008 Apr 21, 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 121–130 of 1,107 samples, newest first — collected June 1, 2021 to June 2, 2021. The summary above covers all 1,107.

20 results from the 10 samples listed here: 11 detected, 9 not detected. Across the whole record it is 1,457 of 5,578. 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 10 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 City of Olive Branch, every result from 121 to 130 of 1,107 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 2, 2021 08:00
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-210603-009
Laboratory
MSDH Lab
0.0076 mg/l , sample collected Jun 2, 2021 08:00, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 2, 2021 08:00, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 2, 2021 07:00
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-210603-010
Laboratory
MSDH Lab
0.0542 mg/l , sample collected Jun 2, 2021 07:00, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 2, 2021 07:00, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 2, 2021 05:30
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-210603-033
Laboratory
MSDH Lab
0.0386 mg/l , sample collected Jun 2, 2021 05:30, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 2, 2021 05:30, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 1, 2021 10:00
Sampling point
LC0043 Location withheld
Sample type
Routine
Lab sample
PB-210603-003
Laboratory
MSDH Lab
0.0119 mg/l , sample collected Jun 1, 2021 10:00, sampling point LC0043 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2021 10:00, sampling point LC0043 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 1, 2021 05:45
Sampling point
LC0033 Location withheld
Sample type
Routine
Lab sample
PB-210603-008
Laboratory
MSDH Lab
0.0657 mg/l , sample collected Jun 1, 2021 05:45, sampling point LC0033 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
10 ug/l , sample collected Jun 1, 2021 05:45, sampling point LC0033 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 1, 2021 06:45
Sampling point
LC0017 Location withheld
Sample type
Routine
Lab sample
PB-210603-017
Laboratory
MSDH Lab
0.0032 mg/l , sample collected Jun 1, 2021 06:45, sampling point LC0017 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2021 06:45, sampling point LC0017 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 1, 2021 09:20
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-210603-015
Laboratory
MSDH Lab
0.02 mg/l , sample collected Jun 1, 2021 09:20, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2021 09:20, sampling point LC0012 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 1, 2021 05:00
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-210603-034
Laboratory
MSDH Lab
0.0261 mg/l , sample collected Jun 1, 2021 05:00, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2021 05:00, sampling point LC0011 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 1, 2021 05:40
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-210603-031
Laboratory
MSDH Lab
0.0113 mg/l , sample collected Jun 1, 2021 05:40, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2021 05:40, sampling point LC0007 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 1, 2021 09:50
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-210603-005
Laboratory
MSDH Lab
0.0123 mg/l , sample collected Jun 1, 2021 09:50, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2021 09:50, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021

Routine (10).