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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; the list of samples further down is narrowed.

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

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The table below lists 21–30 of 32 samples, newest first — collected October 16, 2024 to February 3, 2025. The summary above covers all 32.

68 results from the 10 samples listed here: 22 detected, 46 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.

Chemical and radiological sample results for City of Olive Branch, every result from 21 to 30 of 32 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
Feb 3, 2025 09:57
Sampling point
TF085 Treatment Plant T085
Sample type
Routine
Lab sample
IN-250204-044
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:57, sampling point TF085 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0253 mg/l , sample collected Feb 3, 2025 09:57, sampling point TF085 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:57, sampling point TF085 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0005 mg/l , sample collected Feb 3, 2025 09:57, sampling point TF085 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.529 mg/l , sample collected Feb 3, 2025 09:57, sampling point TF085 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:57, sampling point TF085 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0005 mg/l , sample collected Feb 3, 2025 09:57, sampling point TF085 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:57, sampling point TF085 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:57, sampling point TF085 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:57, sampling point TF085 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:57, sampling point TF085 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 3, 2025 10:48
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
IN-250204-046
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:48, sampling point TF081 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0158 mg/l , sample collected Feb 3, 2025 10:48, sampling point TF081 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:48, sampling point TF081 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0009 mg/l , sample collected Feb 3, 2025 10:48, sampling point TF081 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:48, sampling point TF081 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:48, sampling point TF081 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0012 mg/l , sample collected Feb 3, 2025 10:48, sampling point TF081 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:48, sampling point TF081 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:48, sampling point TF081 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 10:48, sampling point TF081 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.002 mg/l , sample collected Feb 3, 2025 10:48, sampling point TF081 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 3, 2025 09:33
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-250204-068
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:33, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0236 mg/l , sample collected Feb 3, 2025 09:33, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:33, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0006 mg/l , sample collected Feb 3, 2025 09:33, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.677 mg/l , sample collected Feb 3, 2025 09:33, sampling point TF080 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:33, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0005 mg/l , sample collected Feb 3, 2025 09:33, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:33, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:33, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:33, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 09:33, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jan 28, 2025 13:38
Sampling point
TF083 Treatment Plant T083
Sample type
Routine
Lab sample
VO-250129-020
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Dichloromethane 2964 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Benzene 2990 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Toluene 2991 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 13:38, sampling point TF083 Styrene 2996 EPA method 524.2 Jan 1, 2020 – Dec 31, 2025
Collected
Jan 28, 2025 14:37
Sampling point
TF085 Treatment Plant T085
Sample type
Routine
Lab sample
NI-250129-015
Laboratory
MSDH Lab
0.362 mg/l , sample collected Jan 28, 2025 14:37, sampling point TF085 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.362 mg/l , sample collected Jan 28, 2025 14:37, sampling point TF085 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 28, 2025 14:37, sampling point TF085 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 28, 2025 13:30
Sampling point
TF083 Treatment Plant T083
Sample type
Routine
Lab sample
NI-250129-014
Laboratory
MSDH Lab
0.625 mg/l , sample collected Jan 28, 2025 13:30, sampling point TF083 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.625 mg/l , sample collected Jan 28, 2025 13:30, sampling point TF083 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 28, 2025 13:30, sampling point TF083 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 28, 2025 14:30
Sampling point
TF085 Treatment Plant T085
Sample type
Routine
Lab sample
NI-250129-013
Laboratory
MSDH Lab
0.364 mg/l , sample collected Jan 28, 2025 14:30, sampling point TF085 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.364 mg/l , sample collected Jan 28, 2025 14:30, sampling point TF085 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 28, 2025 14:30, sampling point TF085 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 28, 2025 11:31
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250129-012
Laboratory
MSDH Lab
0.628 mg/l , sample collected Jan 28, 2025 11:31, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.628 mg/l , sample collected Jan 28, 2025 11:31, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 28, 2025 11:31, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Oct 16, 2024 10:04
Sampling point
TF085 Treatment Plant T085
Sample type
Routine
Lab sample
NA-241017-004
Laboratory
MSDH Lab
18.7 mg/l , sample collected Oct 16, 2024 10:04, sampling point TF085 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 16, 2024 09:00
Sampling point
TF083 Treatment Plant T083
Sample type
Routine
Lab sample
NA-241017-003
Laboratory
MSDH Lab
14.8 mg/l , sample collected Oct 16, 2024 09:00, sampling point TF083 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024

Routine (10).