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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

MS0550063 , PRCUA-Picayune Water System

26 of the 56 analytes this system has been tested for have been detected at least once, across 290 samples on record.

The other 30 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 290 samples on record, detections range from October 15, 2003 to August 11, 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 PRCUA-Picayune Water System, 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 124 of 124 results Nov 1, 2010 Sep 26, 2023
Lead 1030 Inorganic Chemical 75 of 124 results Nov 1, 2010 Sep 26, 2023
Xylenes, Total 2955 Organic Chemical 20 of 71 results Aug 31, 2010 Aug 8, 2017
TTHM 2950 Organic Chemical 18 of 18 results Sep 1, 2010 Aug 11, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 17 of 18 results Sep 1, 2010 Aug 11, 2025
Chloroform 2941 Organic Chemical 15 of 15 results Sep 1, 2010 Aug 11, 2025
Barium 1010 Inorganic Chemical 15 of 15 results Oct 15, 2003 Jan 9, 2024
Dichloroacetic Acid 2451 Organic Chemical 14 of 15 results Sep 1, 2010 Aug 11, 2025
Trichloroacetic Acid 2452 Organic Chemical 14 of 15 results Sep 1, 2010 Aug 11, 2025
Bromodichloromethane 2943 Organic Chemical 13 of 15 results Sep 1, 2010 Aug 11, 2025
Dibromochloromethane 2944 Organic Chemical 12 of 15 results Sep 1, 2010 Aug 11, 2025
Fluoride 1025 Inorganic Chemical 12 of 15 results Oct 15, 2003 Jan 9, 2024
Ethylbenzene 2992 Organic Chemical 12 of 71 results Aug 31, 2010 Aug 26, 2015
Chromium 1020 Inorganic Chemical 8 of 15 results Oct 15, 2003 Jan 9, 2024
Dibromoacetic Acid 2454 Organic Chemical 5 of 15 results Jul 7, 2014 Feb 26, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 17, 2012
Sulfate 1055 Inorganic Chemical 4 of 4 results Oct 15, 2003 Mar 17, 2004
Bromoform 2942 Organic Chemical 3 of 15 results Dec 11, 2023 Jul 31, 2024
Nickel 1036 Inorganic Chemical 3 of 15 results Mar 22, 2006 Mar 31, 2014
Cyanide 1024 Inorganic Chemical 2 of 13 results May 23, 2017 Feb 23, 2021
Nitrate-Nitrite 1038 Inorganic Chemical 2 of 33 results Aug 24, 2005 May 14, 2007
Monochloroacetic Acid 2450 Organic Chemical 1 of 15 results Jul 7, 2014 Jul 7, 2014
Nitrite 1041 Inorganic Chemical 1 of 33 results May 14, 2007 May 14, 2007
Nitrate 1040 Inorganic Chemical 1 of 33 results Aug 24, 2005 Aug 24, 2005
Arsenic 1005 Inorganic Chemical 1 of 15 results Apr 18, 2005 Apr 18, 2005
Antimony, Total 1074 Inorganic Chemical 1 of 15 results Oct 15, 2003 Oct 15, 2003

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 91–100 of 290 samples, newest first — collected March 15, 2016 to June 21, 2016. The summary above covers all 290.

59 results from the 10 samples listed here: 12 detected, 47 not detected. Across the whole record it is 398 of 2,217. 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 PRCUA-Picayune Water System, every result from 91 to 100 of 290 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
Jun 21, 2016 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160623-048PB
Laboratory
MSDH Lab
0.0053 mg/l , sample collected Jun 21, 2016 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 21, 2016 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
Collected
Jun 21, 2016 05:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160623-047PB
Laboratory
MSDH Lab
0.0164 mg/l , sample collected Jun 21, 2016 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 21, 2016 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
Collected
Jun 21, 2016 09:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160623-043PB
Laboratory
MSDH Lab
0.0171 mg/l , sample collected Jun 21, 2016 09:25, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
0.0005 mg/l , sample collected Jun 21, 2016 09:25, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
Collected
Jun 21, 2016 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160623-042PB
Laboratory
MSDH Lab
0.0121 mg/l , sample collected Jun 21, 2016 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
0.0016 mg/l , sample collected Jun 21, 2016 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
Collected
Jun 21, 2016 04:31
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160623-041PB
Laboratory
MSDH Lab
0.0155 mg/l , sample collected Jun 21, 2016 04:31, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 21, 2016 04:31, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
Collected
Jun 20, 2016 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160623-052PB
Laboratory
MSDH Lab
0.0226 mg/l , sample collected Jun 20, 2016 14:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
0.0005 mg/l , sample collected Jun 20, 2016 14:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
Collected
Jun 20, 2016 16:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160623-044PB
Laboratory
MSDH Lab
0.0203 mg/l , sample collected Jun 20, 2016 16:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
0.0009 mg/l , sample collected Jun 20, 2016 16:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2016
Collected
Jun 14, 2016 12:03
Sampling point
TF080
Sample type
Routine
Lab sample
160615-003VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
1.1 ug/l , sample collected Jun 14, 2016 12:03, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Benzene 2990 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Toluene 2991 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2016 12:03, sampling point TF080 Styrene 2996 EPA method 524.2 Apr 1, 2016 – Jun 30, 2016
Collected
May 4, 2016 13:45
Sampling point
TF080
Sample type
Routine
Lab sample
160505-039NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 4, 2016 13:45, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 4, 2016 13:45, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 4, 2016 13:45, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Mar 15, 2016 12:15
Sampling point
TF080
Sample type
Routine
Lab sample
160316-001VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Benzene 2990 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Toluene 2991 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 15, 2016 12:15, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2016 – Mar 31, 2016

Routine (10).