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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

MS0550002 , Pearl River Central W/A-North

35 of the 73 analytes this system has been tested for have been detected at least once, across 180 samples on record.

The other 38 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 180 samples on record, detections range from October 15, 2003 to July 23, 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-North, 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 61 of 61 results Aug 9, 2007 Sep 27, 2023
TTHM 2950 Organic Chemical 17 of 19 results Jul 28, 2004 May 11, 2026
Fluoride 1025 Inorganic Chemical 17 of 17 results Oct 15, 2003 Mar 20, 2025
Barium 1010 Inorganic Chemical 15 of 15 results Oct 15, 2003 Mar 20, 2025
Chloroform 2941 Organic Chemical 12 of 15 results Aug 28, 2013 May 11, 2026
Lead 1030 Inorganic Chemical 11 of 61 results Aug 9, 2007 Jul 12, 2017
Chromium 1020 Inorganic Chemical 10 of 15 results Oct 15, 2003 Mar 7, 2016
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Mar 15, 2012 Oct 12, 2012
Bromodichloromethane 2943 Organic Chemical 9 of 15 results Dec 7, 2016 May 11, 2026
Dibromochloromethane 2944 Organic Chemical 8 of 15 results Dec 7, 2016 May 11, 2026
Sulfate 1055 Inorganic Chemical 6 of 6 results Oct 15, 2003 Jun 25, 2018
Dichloroacetic Acid 2451 Organic Chemical 5 of 15 results Dec 7, 2016 Nov 18, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 19 results Jun 23, 2010 Aug 14, 2025
Sodium 1052 Inorganic Chemical 3 of 3 results Nov 18, 2008 Jul 23, 2026
Cyanide 1024 Inorganic Chemical 3 of 15 results Oct 15, 2003 Feb 10, 2010
Calcium 1016 Inorganic Chemical 2 of 2 results Nov 18, 2008 Jun 25, 2018
Magnesium 1031 Inorganic Chemical 2 of 2 results Nov 18, 2008 Jun 25, 2018
Manganese 1032 Inorganic Chemical 2 of 2 results Nov 18, 2008 Jun 25, 2018
Potassium 1042 Inorganic Chemical 2 of 2 results Nov 18, 2008 Jun 25, 2018
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Nov 18, 2008 Jun 25, 2018
Alkalinity, Caco3 Stability 1067 Water Quality 2 of 2 results Nov 18, 2008 Jun 25, 2018
Color 1905 Water Quality 2 of 2 results Nov 18, 2008 Jun 25, 2018
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results Nov 18, 2008 Jun 25, 2018
Alkalinity, Total 1927 Water Quality 2 of 2 results Nov 18, 2008 Jun 25, 2018
Calculated Sodium NACA Water Quality 2 of 2 results Nov 18, 2008 Jun 25, 2018
PH, Field Result PHFD Water Quality 2 of 2 results Nov 18, 2008 Jun 25, 2018
Nickel 1036 Inorganic Chemical 2 of 15 results Apr 29, 2013 Apr 29, 2013
Dichloromethane 2964 Organic Chemical 2 of 12 results Aug 26, 2004 Aug 26, 2004
Bromoform 2942 Organic Chemical 1 of 15 results May 11, 2026 May 11, 2026
Chloride 1017 Inorganic Chemical 1 of 2 results Jun 25, 2018 Jun 25, 2018
Iron 1028 Inorganic Chemical 1 of 2 results Jun 25, 2018 Jun 25, 2018
Monochloroacetic Acid 2450 Organic Chemical 1 of 15 results Dec 7, 2016 Dec 7, 2016
Trichloroacetic Acid 2452 Organic Chemical 1 of 15 results Dec 7, 2016 Dec 7, 2016
Carbon Dioxide 1901 Water Quality 1 of 1 result Nov 18, 2008 Nov 18, 2008
PH 1925 Water Quality 1 of 1 result Nov 18, 2008 Nov 18, 2008

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 31–40 of 180 samples, newest first — collected August 7, 2020 to June 14, 2022. The summary above covers all 180.

18 results from the 10 samples listed here: 6 detected, 12 not detected. Across the whole record it is 225 of 909. 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 Pearl River Central W/A-North, every result from 31 to 40 of 180 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 14, 2022 12:03
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-220615-013
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 14, 2022 12:03, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2022 – Dec 31, 2022
Collected
Jun 14, 2022 12:05
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-220615-013
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 14, 2022 12:05, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Collected
Nov 15, 2021 15:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
RU-211116-003
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 15, 2021 15:00, sampling point TF103 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Apr 12, 2021 14:40
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-210413-044
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 12, 2021 14:40, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 12, 2021 14:40, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 12, 2021 14:40, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Aug 7, 2020 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200810-018PB
Laboratory
MSDH Lab
0.0313 mg/l , sample collected Aug 7, 2020 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 7, 2020 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Aug 7, 2020 05:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200810-016PB
Laboratory
MSDH Lab
0.0052 mg/l , sample collected Aug 7, 2020 05:43, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 7, 2020 05:43, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Aug 7, 2020 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200810-015PB
Laboratory
MSDH Lab
0.0629 mg/l , sample collected Aug 7, 2020 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 7, 2020 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Aug 7, 2020 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200810-014PB
Laboratory
MSDH Lab
0.0034 mg/l , sample collected Aug 7, 2020 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 7, 2020 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Aug 7, 2020 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200810-013PB
Laboratory
MSDH Lab
0.0387 mg/l , sample collected Aug 7, 2020 06:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 7, 2020 06:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Aug 7, 2020 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200810-012PB
Laboratory
MSDH Lab
0.0099 mg/l , sample collected Aug 7, 2020 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 7, 2020 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020

Routine (10).