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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 1,108 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 1,108 samples on record, detections range from December 1, 1992 to August 12, 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 30 of 60 results Sep 16, 2009 Aug 12, 2026
Combined Radium (-226 & -228) 4010 Radionuclide 29 of 60 results Sep 16, 2009 Aug 12, 2026
Radium-228 4030 Radionuclide 25 of 60 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 861–870 of 1,108 samples, newest first — collected January 28, 2004 to March 8, 2004. The summary above covers all 1,108.

54 results from the 10 samples listed here: 14 detected, 40 not detected. Across the whole record it is 1,459 of 5,581. 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 City of Olive Branch, every result from 861 to 870 of 1,108 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
Mar 8, 2004
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
040309-009HA
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Mar 8, 2004, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2004 – Mar 31, 2004
Collected
Mar 8, 2004
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
040309-008TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 8, 2004, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2004 – Mar 31, 2004
Collected
Jan 28, 2004
Sampling point
TF083 Treatment Plant T083
Sample type
Routine
Lab sample
040129-058CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF083 Cyanide 1024 EPA method QC10204001X Not recorded
Collected
Jan 28, 2004
Sampling point
TF082 Treatment Plant T082
Sample type
Routine
Lab sample
040129-043IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF082 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.018 mg/l , sample collected Jan 28, 2004, sampling point TF082 Barium 1010 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF082 Cadmium 1015 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF082 Chromium 1020 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.916 mg/l , sample collected Jan 28, 2004, sampling point TF082 Fluoride 1025 EPA method 300.0 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF082 Mercury 1035 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.001 mg/l , sample collected Jan 28, 2004, sampling point TF082 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF082 Selenium 1045 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF082 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF082 Antimony, Total 1074 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF082 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF082 Thallium, Total 1085 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Jan 28, 2004
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
040129-042IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.029 mg/l , sample collected Jan 28, 2004, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.001 mg/l , sample collected Jan 28, 2004, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
6.62 mg/l , sample collected Jan 28, 2004, sampling point TF080 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Jan 28, 2004
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
040129-042CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF081 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Jan 28, 2004
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
040129-041IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF081 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.016 mg/l , sample collected Jan 28, 2004, sampling point TF081 Barium 1010 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF081 Cadmium 1015 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF081 Chromium 1020 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.785 mg/l , sample collected Jan 28, 2004, sampling point TF081 Fluoride 1025 EPA method 300.0 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF081 Mercury 1035 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.001 mg/l , sample collected Jan 28, 2004, sampling point TF081 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF081 Selenium 1045 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF081 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF081 Antimony, Total 1074 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF081 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF081 Thallium, Total 1085 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Jan 28, 2004
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
040129-041CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Jan 28, 2004
Sampling point
TF082 Treatment Plant T082
Sample type
Routine
Lab sample
040129-040CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF082 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Jan 28, 2004
Sampling point
TF083 Treatment Plant T083
Sample type
Routine
Lab sample
040129-014IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF083 Arsenic 1005 EPA method 200.8 Not recorded
0.022 mg/l , sample collected Jan 28, 2004, sampling point TF083 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF083 Cadmium 1015 EPA method 200.8 Not recorded
0.001 mg/l , sample collected Jan 28, 2004, sampling point TF083 Chromium 1020 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF083 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF083 Mercury 1035 EPA method 200.8 Not recorded
0.001 mg/l , sample collected Jan 28, 2004, sampling point TF083 Nickel 1036 EPA method 200.8 Not recorded
0.001 mg/l , sample collected Jan 28, 2004, sampling point TF083 Selenium 1045 EPA method 200.8 Not recorded
2.79 mg/l , sample collected Jan 28, 2004, sampling point TF083 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF083 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF083 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 28, 2004, sampling point TF083 Thallium, Total 1085 EPA method 200.8 Not recorded

Routine (10).