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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 81–90 of 541 samples, newest first — collected June 24, 2021 to December 6, 2021. The summary above covers all 541.

17 results from the 10 samples listed here: 10 detected, 7 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 2 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 81 to 90 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
Dec 6, 2021 07:35
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
HA-211207-008
Laboratory
MSDH Lab
6.05 ug/l , sample collected Dec 6, 2021 07:35, sampling point SM3 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Dec 6, 2021 08:20
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
HA-211207-007
Laboratory
MSDH Lab
6.02 ug/l , sample collected Dec 6, 2021 08:20, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Dec 6, 2021 07:32
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
TH-211207-008
Laboratory
MSDH Lab
12.7 ug/l , sample collected Dec 6, 2021 07:32, sampling point SM3 TTHM 2950 EPA method 524.2 Not recorded
Collected
Dec 6, 2021 08:15
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-211207-007
Laboratory
MSDH Lab
11.4 ug/l , sample collected Dec 6, 2021 08:15, sampling point SM2 TTHM 2950 EPA method 524.2 Not recorded
Collected
Oct 4, 2021 12:42
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
NI-211005-002
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 4, 2021 12:42, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Oct 4, 2021 12:42, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Oct 4, 2021 12:42, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Jun 24, 2021 10:42
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-210625-117
Laboratory
MSDH Lab
0.0136 mg/l , sample collected Jun 24, 2021 10:42, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2021 10:42, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 24, 2021 07:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-210625-116
Laboratory
MSDH Lab
0.0204 mg/l , sample collected Jun 24, 2021 07:17, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.5 ug/l , sample collected Jun 24, 2021 07:17, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 24, 2021 06:13
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-210625-115
Laboratory
MSDH Lab
0.0103 mg/l , sample collected Jun 24, 2021 06:13, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2021 06:13, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 24, 2021 07:31
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-210625-114
Laboratory
MSDH Lab
0.0211 mg/l , sample collected Jun 24, 2021 07:31, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2021 07:31, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 24, 2021 04:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-210625-113
Laboratory
MSDH Lab
0.0157 mg/l , sample collected Jun 24, 2021 04:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2021 04:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021

Routine (10).