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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

MS0550004 , Picayune Utilities, City of

25 of the 60 analytes this system has been tested for have been detected at least once, across 541 samples on record.

The other 35 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 541 samples on record, detections range from July 23, 2002 to October 21, 2025. 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 Picayune Utilities, City of, 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 224 of 225 results Jun 22, 2004 Jun 25, 2024
Lead 1030 Inorganic Chemical 125 of 225 results Jun 22, 2004 Jun 25, 2024
Fluoride 1025 Inorganic Chemical 41 of 41 results Jul 23, 2002 Mar 17, 2025
Barium 1010 Inorganic Chemical 40 of 40 results Jul 23, 2002 Mar 17, 2025
TTHM 2950 Organic Chemical 39 of 43 results Oct 18, 2004 Oct 21, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 38 of 43 results Sep 27, 2006 Oct 21, 2025
Dichloroacetic Acid 2451 Organic Chemical 30 of 30 results Jul 2, 2008 Oct 21, 2025
Chloroform 2941 Organic Chemical 30 of 30 results Jul 2, 2008 Oct 21, 2025
Bromodichloromethane 2943 Organic Chemical 30 of 30 results Jul 2, 2008 Oct 21, 2025
Trichloroacetic Acid 2452 Organic Chemical 29 of 30 results Jul 2, 2008 Oct 21, 2025
Dibromochloromethane 2944 Organic Chemical 28 of 30 results Jun 27, 2011 Oct 21, 2025
Chromium 1020 Inorganic Chemical 23 of 40 results Jul 23, 2002 Mar 17, 2025
Dibromoacetic Acid 2454 Organic Chemical 15 of 30 results Jun 27, 2011 Jun 27, 2016
Nickel 1036 Inorganic Chemical 8 of 40 results Mar 15, 2004 Mar 17, 2025
Sulfate 1055 Inorganic Chemical 8 of 8 results Jul 23, 2002 Mar 15, 2004
Monochloroacetic Acid 2450 Organic Chemical 5 of 30 results Apr 7, 2014 Jun 12, 2018
Sodium 1052 Inorganic Chemical 4 of 4 results Sep 17, 2019 Sep 17, 2019
Cyanide 1024 Inorganic Chemical 4 of 45 results Feb 10, 2010 Jun 15, 2015
Radium-226 4020 Radionuclide 2 of 12 results Jul 9, 2018 Jul 9, 2018
Arsenic 1005 Inorganic Chemical 1 of 40 results May 6, 2013 May 6, 2013
Selenium 1045 Inorganic Chemical 1 of 40 results May 6, 2013 May 6, 2013
Monobromoacetic Acid 2453 Organic Chemical 1 of 30 results Sep 2, 2009 Sep 2, 2009
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 93 results May 14, 2007 May 14, 2007
Nitrate 1040 Inorganic Chemical 1 of 93 results May 14, 2007 May 14, 2007
Nitrite 1041 Inorganic Chemical 1 of 93 results May 14, 2007 May 14, 2007

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 11–20 of 541 samples, newest first — collected June 25, 2024 to March 17, 2025. The summary above covers all 541.

52 results from the 10 samples listed here: 17 detected, 35 not detected. Across the whole record it is 729 of 2,244. 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 4 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 Picayune Utilities, City of, every result from 11 to 20 of 541 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 17, 2025 08:50
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
IN-250318-035
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:50, sampling point TF105 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0081 mg/l , sample collected Mar 17, 2025 08:50, sampling point TF105 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:50, sampling point TF105 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:50, sampling point TF105 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.642 mg/l , sample collected Mar 17, 2025 08:50, sampling point TF105 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 Mar 17, 2025 08:50, sampling point TF105 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:50, sampling point TF105 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:50, sampling point TF105 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:50, sampling point TF105 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 Mar 17, 2025 08:50, sampling point TF105 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 Mar 17, 2025 08:50, sampling point TF105 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 17, 2025 09:05
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
IN-250318-036
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 09:05, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.003 mg/l , sample collected Mar 17, 2025 09:05, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 09:05, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0007 mg/l , sample collected Mar 17, 2025 09:05, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.606 mg/l , sample collected Mar 17, 2025 09:05, sampling point TF104 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 Mar 17, 2025 09:05, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0006 mg/l , sample collected Mar 17, 2025 09:05, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 09:05, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 09:05, sampling point TF104 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 Mar 17, 2025 09:05, sampling point TF104 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 Mar 17, 2025 09:05, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 17, 2025 08:36
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250318-034
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:36, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0064 mg/l , sample collected Mar 17, 2025 08:36, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:36, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:36, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.647 mg/l , sample collected Mar 17, 2025 08:36, sampling point TF102 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 Mar 17, 2025 08:36, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:36, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:36, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:36, sampling point TF102 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 Mar 17, 2025 08:36, sampling point TF102 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 Mar 17, 2025 08:36, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 17, 2025 08:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250318-033
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:30, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0069 mg/l , sample collected Mar 17, 2025 08:30, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:30, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:30, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.49 mg/l , sample collected Mar 17, 2025 08:30, sampling point TF101 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 Mar 17, 2025 08:30, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:30, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:30, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 08:30, sampling point TF101 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 Mar 17, 2025 08:30, sampling point TF101 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 Mar 17, 2025 08:30, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jul 9, 2024 13:31
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-240710-029
Laboratory
MSDH Lab
23.8 ug/l , sample collected Jul 9, 2024 13:31, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Dec 31, 2024
Collected
Jul 9, 2024 14:00
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
HA-240710-030
Laboratory
MSDH Lab
7.54 ug/l , sample collected Jul 9, 2024 14:00, sampling point SM3 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Dec 31, 2024
Collected
Jul 9, 2024 13:35
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
HA-240710-029
Laboratory
MSDH Lab
8.13 ug/l , sample collected Jul 9, 2024 13:35, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Dec 31, 2024
Collected
Jul 9, 2024 14:04
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
TH-240710-030
Laboratory
MSDH Lab
16.4 ug/l , sample collected Jul 9, 2024 14:04, sampling point SM3 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Dec 31, 2024
Collected
Jun 25, 2024 09:30
Sampling point
LC027 Location withheld
Sample type
Routine
Lab sample
PB-240626-078
Laboratory
MSDH Lab
0.0182 mg/l , sample collected Jun 25, 2024 09:30, sampling point LC027 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
0.7 ug/l , sample collected Jun 25, 2024 09:30, sampling point LC027 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jun 25, 2024 05:00
Sampling point
LC008 Location withheld
Sample type
Routine
Lab sample
PB-240626-077
Laboratory
MSDH Lab
0.009 mg/l , sample collected Jun 25, 2024 05:00, sampling point LC008 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 25, 2024 05:00, sampling point LC008 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024

Routine (10).