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
MS0150001 , Copiah W/A - Bayou Pierre #1
23 of the 62 analytes this system has been tested for have been detected at least once, across 466 samples on record.
The other 39 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 466 samples on record, detections range from May 4, 1994 to June 2, 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 | 153 of 223 results | Dec 27, 2001 | Sep 30, 2025 |
| Lead 1030 | Inorganic Chemical | 127 of 223 results | May 4, 1994 | Sep 30, 2025 |
| Barium 1010 | Inorganic Chemical | 34 of 34 results | Nov 20, 2003 | Feb 5, 2025 |
| Fluoride 1025 | Inorganic Chemical | 31 of 35 results | Nov 20, 2003 | Feb 5, 2025 |
| Nickel 1036 | Inorganic Chemical | 14 of 34 results | Nov 20, 2003 | May 23, 2022 |
| Chromium 1020 | Inorganic Chemical | 13 of 34 results | Nov 20, 2003 | Feb 5, 2025 |
| Gross Alpha, Incl. Radon & U 4002 | Radionuclide | 10 of 15 results | Mar 22, 2012 | Oct 9, 2012 |
| Sodium 1052 | Inorganic Chemical | 9 of 9 results | Oct 28, 2019 | Oct 15, 2024 |
| TTHM 2950 | Organic Chemical | 7 of 12 results | Jun 27, 2007 | Jun 2, 2026 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 7 of 13 results | Jun 27, 2007 | Mar 13, 2024 |
| Sulfate 1055 | Inorganic Chemical | 7 of 7 results | Nov 20, 2003 | Mar 11, 2021 |
| Chloroform 2941 | Organic Chemical | 3 of 8 results | Aug 27, 2014 | Jun 2, 2026 |
| Bromodichloromethane 2943 | Organic Chemical | 3 of 8 results | Aug 27, 2014 | Jun 2, 2026 |
| Dibromochloromethane 2944 | Organic Chemical | 3 of 8 results | Aug 27, 2014 | Jun 2, 2026 |
| Cadmium 1015 | Inorganic Chemical | 3 of 34 results | Mar 2, 2005 | Mar 2, 2005 |
| Selenium 1045 | Inorganic Chemical | 3 of 34 results | Mar 2, 2005 | Mar 2, 2005 |
| Dichloroacetic Acid 2451 | Organic Chemical | 2 of 7 results | Aug 27, 2014 | Aug 11, 2020 |
| Trichloroacetic Acid 2452 | Organic Chemical | 2 of 7 results | Aug 27, 2014 | Aug 11, 2020 |
| Xylenes, Total 2955 | Organic Chemical | 2 of 53 results | Dec 28, 2004 | Jan 24, 2005 |
| Ethylbenzene 2992 | Organic Chemical | 2 of 53 results | Dec 28, 2004 | Jan 24, 2005 |
| Chloride 1017 | Inorganic Chemical | 1 of 1 result | Mar 11, 2021 | Mar 11, 2021 |
| Conductivity @ 25 C Umhos/CM 1064 | Water Quality | 1 of 1 result | Mar 11, 2021 | Mar 11, 2021 |
| Alkalinity, Total 1927 | Water Quality | 1 of 1 result | Mar 11, 2021 | Mar 11, 2021 |
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 241–250 of 466 samples, newest first — collected July 17, 2012 to October 8, 2012. The summary above covers all 466.
29 results from the 10 samples listed here: 6 detected, 23 not detected. Across the whole record it is 438 of 2,348. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.
| Result | Analyte | Monitoring period |
|---|---|---|
|
||
| 0.8 pci/l , sample collected Oct 8, 2012 14:05, sampling point TF103 | Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 | Not recorded |
| Not detected below 0.593 pci/l Minimum Reporting Level , sample collected Oct 8, 2012 14:05, sampling point TF103 | Combined Radium (-226 & -228) 4010 | Not recorded |
| Not detected below 0.593 pci/l Minimum Reporting Level , sample collected Oct 8, 2012 14:05, sampling point TF103 | Radium-226 4020 EPA method 903.1 | Oct 1, 2012 – Dec 31, 2012 |
| Not detected below 0.56 pci/l Minimum Reporting Level , sample collected Oct 8, 2012 14:05, sampling point TF103 | Radium-228 4030 EPA method 904.0 | Oct 1, 2012 – Dec 31, 2012 |
|
||
| Not detected below 0.42 pci/l Minimum Reporting Level , sample collected Oct 8, 2012 13:45, sampling point TF102 | Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 | Not recorded |
| Not detected below 0.8 pci/l Minimum Reporting Level , sample collected Oct 8, 2012 13:45, sampling point TF102 | Combined Radium (-226 & -228) 4010 | Not recorded |
| Not detected below 0.727 pci/l Minimum Reporting Level , sample collected Oct 8, 2012 13:45, sampling point TF102 | Radium-226 4020 EPA method 903.1 | Oct 1, 2012 – Dec 31, 2012 |
| Not detected below 0.8 pci/l Minimum Reporting Level , sample collected Oct 8, 2012 13:45, sampling point TF102 | Radium-228 4030 EPA method 904.0 | Oct 1, 2012 – Dec 31, 2012 |
|
||
| 0.6 pci/l , sample collected Oct 8, 2012 13:30, sampling point TF101 | Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 | Not recorded |
| Not detected below 0.752 pci/l Minimum Reporting Level , sample collected Oct 8, 2012 13:30, sampling point TF101 | Combined Radium (-226 & -228) 4010 | Not recorded |
| Not detected below 0.752 pci/l Minimum Reporting Level , sample collected Oct 8, 2012 13:30, sampling point TF101 | Radium-226 4020 EPA method 903.1 | Oct 1, 2012 – Dec 31, 2012 |
| Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Oct 8, 2012 13:30, sampling point TF101 | Radium-228 4030 EPA method 904.0 | Oct 1, 2012 – Dec 31, 2012 |
|
||
| 0.8 pci/l , sample collected Aug 7, 2012 11:00, sampling point TF103 | Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 | Not recorded |
| Not detected below 0.593 pci/l Minimum Reporting Level , sample collected Aug 7, 2012 11:00, sampling point TF103 | Combined Radium (-226 & -228) 4010 | Not recorded |
| Not detected below 0.593 pci/l Minimum Reporting Level , sample collected Aug 7, 2012 11:00, sampling point TF103 | Radium-226 4020 EPA method 903.1 | Jul 1, 2012 – Sep 30, 2012 |
| Not detected below 0.56 pci/l Minimum Reporting Level , sample collected Aug 7, 2012 11:00, sampling point TF103 | Radium-228 4030 EPA method 904.0 | Jul 1, 2012 – Sep 30, 2012 |
|
||
| Not detected below 0.42 pci/l Minimum Reporting Level , sample collected Aug 7, 2012 11:45, sampling point TF102 | Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 | Not recorded |
| Not detected below 0.8 pci/l Minimum Reporting Level , sample collected Aug 7, 2012 11:45, sampling point TF102 | Combined Radium (-226 & -228) 4010 | Not recorded |
| Not detected below 0.727 pci/l Minimum Reporting Level , sample collected Aug 7, 2012 11:45, sampling point TF102 | Radium-226 4020 EPA method 903.1 | Jul 1, 2012 – Sep 30, 2012 |
| Not detected below 0.8 pci/l Minimum Reporting Level , sample collected Aug 7, 2012 11:45, sampling point TF102 | Radium-228 4030 EPA method 904.0 | Jul 1, 2012 – Sep 30, 2012 |
|
||
| 0.6 pci/l , sample collected Aug 7, 2012 11:25, sampling point TF101 | Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 | Not recorded |
| Not detected below 0.752 pci/l Minimum Reporting Level , sample collected Aug 7, 2012 11:25, sampling point TF101 | Combined Radium (-226 & -228) 4010 | Not recorded |
| Not detected below 0.752 pci/l Minimum Reporting Level , sample collected Aug 7, 2012 11:25, sampling point TF101 | Radium-226 4020 EPA method 903.1 | Jul 1, 2012 – Sep 30, 2012 |
| Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Aug 7, 2012 11:25, sampling point TF101 | Radium-228 4030 EPA method 904.0 | Jul 1, 2012 – Sep 30, 2012 |
|
||
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 7, 2012 11:00, sampling point TF103 | Combined Uranium 4006 EPA method 200.8 | Jul 1, 2012 – Sep 30, 2012 |
|
||
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 7, 2012 11:25, sampling point TF101 | Combined Uranium 4006 EPA method 200.8 | Jul 1, 2012 – Sep 30, 2012 |
|
||
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 7, 2012 11:45, sampling point TF102 | Combined Uranium 4006 EPA method 200.8 | Jul 1, 2012 – Sep 30, 2012 |
|
||
| 0.0729 mg/l , sample collected Jul 17, 2012 07:00, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2014 |
| 0.0014 mg/l , sample collected Jul 17, 2012 07:00, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2012 – Dec 31, 2014 |
-
- Collected
- Oct 8, 2012 14:05
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 121009-035
- Laboratory
- Radiation Safety Engineering
-
Gross Alpha, Incl. Radon & U 4002 EPA method 00-02
- Result
- 0.8 pci/l
- Monitoring period
- Not recorded
-
Combined Radium (-226 & -228) 4010
- Result
- Not detected below 0.593 pci/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Radium-226 4020 EPA method 903.1
- Result
- Not detected below 0.593 pci/l Minimum Reporting Level
- Monitoring period
- Oct 1, 2012 – Dec 31, 2012
-
Radium-228 4030 EPA method 904.0
- Result
- Not detected below 0.56 pci/l Minimum Reporting Level
- Monitoring period
- Oct 1, 2012 – Dec 31, 2012
-
- Collected
- Oct 8, 2012 13:45
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 121009-034
- Laboratory
- Radiation Safety Engineering
-
Gross Alpha, Incl. Radon & U 4002 EPA method 00-02
- Result
- Not detected below 0.42 pci/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Combined Radium (-226 & -228) 4010
- Result
- Not detected below 0.8 pci/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Radium-226 4020 EPA method 903.1
- Result
- Not detected below 0.727 pci/l Minimum Reporting Level
- Monitoring period
- Oct 1, 2012 – Dec 31, 2012
-
Radium-228 4030 EPA method 904.0
- Result
- Not detected below 0.8 pci/l Minimum Reporting Level
- Monitoring period
- Oct 1, 2012 – Dec 31, 2012
-
- Collected
- Oct 8, 2012 13:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 121009-033
- Laboratory
- Radiation Safety Engineering
-
Gross Alpha, Incl. Radon & U 4002 EPA method 00-02
- Result
- 0.6 pci/l
- Monitoring period
- Not recorded
-
Combined Radium (-226 & -228) 4010
- Result
- Not detected below 0.752 pci/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Radium-226 4020 EPA method 903.1
- Result
- Not detected below 0.752 pci/l Minimum Reporting Level
- Monitoring period
- Oct 1, 2012 – Dec 31, 2012
-
Radium-228 4030 EPA method 904.0
- Result
- Not detected below 0.44 pci/l Minimum Reporting Level
- Monitoring period
- Oct 1, 2012 – Dec 31, 2012
-
- Collected
- Aug 7, 2012 11:00
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 120808-024
- Laboratory
- Radiation Safety Engineering
-
Gross Alpha, Incl. Radon & U 4002 EPA method 00-02
- Result
- 0.8 pci/l
- Monitoring period
- Not recorded
-
Combined Radium (-226 & -228) 4010
- Result
- Not detected below 0.593 pci/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Radium-226 4020 EPA method 903.1
- Result
- Not detected below 0.593 pci/l Minimum Reporting Level
- Monitoring period
- Jul 1, 2012 – Sep 30, 2012
-
Radium-228 4030 EPA method 904.0
- Result
- Not detected below 0.56 pci/l Minimum Reporting Level
- Monitoring period
- Jul 1, 2012 – Sep 30, 2012
-
- Collected
- Aug 7, 2012 11:45
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 120808-022
- Laboratory
- Radiation Safety Engineering
-
Gross Alpha, Incl. Radon & U 4002 EPA method 00-02
- Result
- Not detected below 0.42 pci/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Combined Radium (-226 & -228) 4010
- Result
- Not detected below 0.8 pci/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Radium-226 4020 EPA method 903.1
- Result
- Not detected below 0.727 pci/l Minimum Reporting Level
- Monitoring period
- Jul 1, 2012 – Sep 30, 2012
-
Radium-228 4030 EPA method 904.0
- Result
- Not detected below 0.8 pci/l Minimum Reporting Level
- Monitoring period
- Jul 1, 2012 – Sep 30, 2012
-
- Collected
- Aug 7, 2012 11:25
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 120808-023
- Laboratory
- Radiation Safety Engineering
-
Gross Alpha, Incl. Radon & U 4002 EPA method 00-02
- Result
- 0.6 pci/l
- Monitoring period
- Not recorded
-
Combined Radium (-226 & -228) 4010
- Result
- Not detected below 0.752 pci/l Minimum Reporting Level
- Monitoring period
- Not recorded
-
Radium-226 4020 EPA method 903.1
- Result
- Not detected below 0.752 pci/l Minimum Reporting Level
- Monitoring period
- Jul 1, 2012 – Sep 30, 2012
-
Radium-228 4030 EPA method 904.0
- Result
- Not detected below 0.44 pci/l Minimum Reporting Level
- Monitoring period
- Jul 1, 2012 – Sep 30, 2012
-
- Collected
- Aug 7, 2012 11:00
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 120808-024RU
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2012 – Sep 30, 2012
-
Combined Uranium 4006 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Aug 7, 2012 11:25
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 120808-023RU
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2012 – Sep 30, 2012
-
Combined Uranium 4006 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Aug 7, 2012 11:45
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 120808-022RU
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2012 – Sep 30, 2012
-
Combined Uranium 4006 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 17, 2012 07:00
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 120718-105PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2014
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0729 mg/l
-
Lead 1030 EPA method 200.8
- Result
- 0.0014 mg/l
Routine (10).