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.
| 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 31–40 of 1,107 samples, newest first — collected June 19, 2024 to October 16, 2024. The summary above covers all 1,107.
18 results from the 10 samples listed here: 11 detected, 7 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 8 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.
| Result | Analyte | Monitoring period |
|---|---|---|
|
||
| 6.71 mg/l , sample collected Oct 16, 2024 08:30, sampling point TF081 | Sodium 1052 EPA method 200.7 | Jan 1, 2022 – Dec 31, 2024 |
|
||
| 16.2 mg/l , sample collected Oct 16, 2024 08:00, sampling point TF080 | Sodium 1052 EPA method 200.7 | Jan 1, 2022 – Dec 31, 2024 |
|
||
| 0.00708 mg/l , sample collected Jun 24, 2024 13:00, sampling point LC0011 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2024 13:00, sampling point LC0011 | Lead 1030 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
|
||
| 0.0873 mg/l , sample collected Jun 21, 2024 08:00, sampling point LC0043 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 21, 2024 08:00, sampling point LC0043 | Lead 1030 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
|
||
| 0.0599 mg/l , sample collected Jun 21, 2024 07:30, sampling point LC0044 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 21, 2024 07:30, sampling point LC0044 | Lead 1030 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
|
||
| 0.0608 mg/l , sample collected Jun 20, 2024 04:50, sampling point LC0027 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2024 04:50, sampling point LC0027 | Lead 1030 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
|
||
| 0.0174 mg/l , sample collected Jun 20, 2024 07:02, sampling point LC0024 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2024 07:02, sampling point LC0024 | Lead 1030 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
|
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| 0.0101 mg/l , sample collected Jun 19, 2024 07:42, sampling point LC0003 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 19, 2024 07:42, sampling point LC0003 | Lead 1030 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
|
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| 0.0532 mg/l , sample collected Jun 19, 2024 06:17, sampling point LC0008 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 19, 2024 06:17, sampling point LC0008 | Lead 1030 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
|
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| 0.142 mg/l , sample collected Jun 19, 2024 10:02, sampling point LC0014 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
| 1.5 ug/l , sample collected Jun 19, 2024 10:02, sampling point LC0014 | Lead 1030 EPA method 200.8 | Jan 1, 2022 – Dec 31, 2024 |
-
- Collected
- Oct 16, 2024 08:30
- Sampling point
- TF081 Treatment Plant T081
- Sample type
- Routine
- Lab sample
- NA-241017-002
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Sodium 1052 EPA method 200.7
- Result
- 6.71 mg/l
-
- Collected
- Oct 16, 2024 08:00
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- NA-241017-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Sodium 1052 EPA method 200.7
- Result
- 16.2 mg/l
-
- Collected
- Jun 24, 2024 13:00
- Sampling point
- LC0011 Location withheld
- Sample type
- Routine
- Lab sample
- PB-240625-024
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.00708 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jun 21, 2024 08:00
- Sampling point
- LC0043 Location withheld
- Sample type
- Routine
- Lab sample
- PB-240624-019
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0873 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jun 21, 2024 07:30
- Sampling point
- LC0044 Location withheld
- Sample type
- Routine
- Lab sample
- PB-240624-018
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0599 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jun 20, 2024 04:50
- Sampling point
- LC0027 Location withheld
- Sample type
- Routine
- Lab sample
- PB-240624-016
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0608 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jun 20, 2024 07:02
- Sampling point
- LC0024 Location withheld
- Sample type
- Routine
- Lab sample
- PB-240624-017
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0174 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jun 19, 2024 07:42
- Sampling point
- LC0003 Location withheld
- Sample type
- Routine
- Lab sample
- PB-240624-028
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0101 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jun 19, 2024 06:17
- Sampling point
- LC0008 Location withheld
- Sample type
- Routine
- Lab sample
- PB-240624-026
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0532 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jun 19, 2024 10:02
- Sampling point
- LC0014 Location withheld
- Sample type
- Routine
- Lab sample
- PB-240624-020
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.142 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 1.5 ug/l
Routine (10).