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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

MS0550005 , Pearl River Central W/A

42 of the 73 analytes this system has been tested for have been detected at least once, across 571 samples on record.

The other 31 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 571 samples on record, detections range from October 15, 2003 to July 21, 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.

Every analyte ever detected for Pearl River Central W/A, 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 226 of 226 results Jun 17, 2004 Jul 20, 2024
Lead 1030 Inorganic Chemical 59 of 226 results Jun 17, 2004 Jul 20, 2024
Fluoride 1025 Inorganic Chemical 49 of 50 results Oct 15, 2003 Apr 10, 2025
Barium 1010 Inorganic Chemical 48 of 48 results Oct 15, 2003 Apr 10, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 37 of 38 results Sep 5, 2007 May 11, 2026
TTHM 2950 Organic Chemical 37 of 38 results Sep 5, 2007 May 11, 2026
Chloroform 2941 Organic Chemical 30 of 30 results Sep 5, 2007 May 11, 2026
Dichloroacetic Acid 2451 Organic Chemical 29 of 29 results Jun 24, 2010 May 11, 2026
Trichloroacetic Acid 2452 Organic Chemical 27 of 29 results Aug 28, 2013 May 11, 2026
Chromium 1020 Inorganic Chemical 23 of 48 results Oct 15, 2003 Mar 24, 2020
Bromodichloromethane 2943 Organic Chemical 22 of 30 results Aug 28, 2013 May 11, 2026
Dibromochloromethane 2944 Organic Chemical 16 of 30 results Aug 28, 2013 May 11, 2026
Gross Alpha, Incl. Radon & U 4002 Radionuclide 12 of 12 results Mar 13, 2012 Sep 11, 2019
Sulfate 1055 Inorganic Chemical 12 of 12 results Oct 15, 2003 Jun 25, 2018
Nickel 1036 Inorganic Chemical 11 of 48 results Mar 22, 2006 Sep 10, 2018
Combined Radium (-226 & -228) 4010 Radionuclide 9 of 28 results Dec 19, 2008 Sep 11, 2019
Sodium 1052 Inorganic Chemical 6 of 6 results Jun 25, 2018 Jul 21, 2026
Monochloroacetic Acid 2450 Organic Chemical 5 of 29 results Jun 2, 2014 Dec 18, 2019
Radium-226 4020 Radionuclide 5 of 26 results Jun 29, 2009 Sep 11, 2019
Monobromoacetic Acid 2453 Organic Chemical 4 of 29 results Jun 2, 2014 Dec 15, 2020
Radium-228 4030 Radionuclide 4 of 26 results Dec 19, 2008 Sep 11, 2019
Gross Alpha, Excl. Radon & U 4000 Radionuclide 4 of 14 results Jun 29, 2009 Oct 29, 2009
Gross Alpha Particle Activity 4109 Radionuclide 4 of 14 results Jun 29, 2009 Oct 29, 2009
Dibromoacetic Acid 2454 Organic Chemical 3 of 29 results Dec 4, 2013 Jul 6, 2016
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 91 results Jul 26, 2006 May 4, 2016
Nitrate 1040 Inorganic Chemical 3 of 91 results Jul 26, 2006 May 4, 2016
Calcium 1016 Inorganic Chemical 2 of 2 results Jun 25, 2018 Jun 25, 2018
Chloride 1017 Inorganic Chemical 2 of 2 results Jun 25, 2018 Jun 25, 2018
Iron 1028 Inorganic Chemical 2 of 2 results Jun 25, 2018 Jun 25, 2018
Magnesium 1031 Inorganic Chemical 2 of 2 results Jun 25, 2018 Jun 25, 2018
Manganese 1032 Inorganic Chemical 2 of 2 results Jun 25, 2018 Jun 25, 2018
Potassium 1042 Inorganic Chemical 2 of 2 results Jun 25, 2018 Jun 25, 2018
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Jun 25, 2018 Jun 25, 2018
Alkalinity, Caco3 Stability 1067 Water Quality 2 of 2 results Jun 25, 2018 Jun 25, 2018
Color 1905 Water Quality 2 of 2 results Jun 25, 2018 Jun 25, 2018
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results Jun 25, 2018 Jun 25, 2018
Alkalinity, Total 1927 Water Quality 2 of 2 results Jun 25, 2018 Jun 25, 2018
Calculated Sodium NACA Water Quality 2 of 2 results Jun 25, 2018 Jun 25, 2018
PH, Field Result PHFD Water Quality 2 of 2 results Jun 25, 2018 Jun 25, 2018
Cyanide 1024 Inorganic Chemical 2 of 41 results Oct 15, 2003 Feb 10, 2010
Nitrite 1041 Inorganic Chemical 2 of 91 results Nov 29, 2004 Nov 21, 2005
Dichloromethane 2964 Organic Chemical 1 of 38 results Aug 25, 2004 Aug 25, 2004

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 41–50 of 571 samples, newest first — collected July 17, 2024 to July 19, 2024. The summary above covers all 571.

20 results from the 10 samples listed here: 12 detected, 8 not detected. Across the whole record it is 719 of 2,633. 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 9 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 Pearl River Central W/A, every result from 41 to 50 of 571 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
Jul 19, 2024 14:20
Sampling point
LC0014 Location withheld
Sample type
Routine
Lab sample
PB-240730-034
Laboratory
MSDH Lab
0.0009 mg/l , sample collected Jul 19, 2024 14:20, sampling point LC0014 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 Jul 19, 2024 14:20, sampling point LC0014 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 19, 2024 14:51
Sampling point
LC0010 Location withheld
Sample type
Routine
Lab sample
PB-240730-032
Laboratory
MSDH Lab
0.0111 mg/l , sample collected Jul 19, 2024 14:51, sampling point LC0010 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 Jul 19, 2024 14:51, sampling point LC0010 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 19, 2024 14:30
Sampling point
LC0050 Location withheld
Sample type
Routine
Lab sample
PB-240730-031
Laboratory
MSDH Lab
0.0132 mg/l , sample collected Jul 19, 2024 14:30, sampling point LC0050 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 Jul 19, 2024 14:30, sampling point LC0050 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 18, 2024 16:07
Sampling point
LC0059 Location withheld
Sample type
Routine
Lab sample
PB-240730-040
Laboratory
MSDH Lab
0.0454 mg/l , sample collected Jul 18, 2024 16:07, sampling point LC0059 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 Jul 18, 2024 16:07, sampling point LC0059 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 18, 2024 14:15
Sampling point
LC0018 Location withheld
Sample type
Routine
Lab sample
PB-240730-033
Laboratory
MSDH Lab
0.0088 mg/l , sample collected Jul 18, 2024 14:15, sampling point LC0018 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
0.5 ug/l , sample collected Jul 18, 2024 14:15, sampling point LC0018 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 17, 2024 06:00
Sampling point
LC0026 Location withheld
Sample type
Routine
Lab sample
PB-240730-048
Laboratory
MSDH Lab
0.006 mg/l , sample collected Jul 17, 2024 06:00, sampling point LC0026 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 Jul 17, 2024 06:00, sampling point LC0026 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 17, 2024 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-240730-045
Laboratory
MSDH Lab
0.0581 mg/l , sample collected Jul 17, 2024 06:30, sampling point DS000 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 Jul 17, 2024 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 17, 2024 06:00
Sampling point
LC0025 Location withheld
Sample type
Routine
Lab sample
PB-240730-044
Laboratory
MSDH Lab
0.0268 mg/l , sample collected Jul 17, 2024 06:00, sampling point LC0025 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 Jul 17, 2024 06:00, sampling point LC0025 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 17, 2024 08:30
Sampling point
LC0055 Location withheld
Sample type
Routine
Lab sample
PB-240730-043
Laboratory
MSDH Lab
0.0156 mg/l , sample collected Jul 17, 2024 08:30, sampling point LC0055 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 Jul 17, 2024 08:30, sampling point LC0055 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 17, 2024 06:00
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-240730-042
Laboratory
MSDH Lab
0.0308 mg/l , sample collected Jul 17, 2024 06:00, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
1.2 ug/l , sample collected Jul 17, 2024 06:00, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024

Routine (10).