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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

MS0550060 , Pearl River Central W/A-Henley Field

35 of the 69 analytes this system has been tested for have been detected at least once, across 270 samples on record.

The other 34 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 270 samples on record, detections range from March 15, 2007 to May 11, 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-Henley Field, 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 114 of 114 results Jul 9, 2008 Aug 8, 2024
Lead 1030 Inorganic Chemical 41 of 114 results Jul 9, 2008 Aug 6, 2024
TTHM 2950 Organic Chemical 29 of 31 results Mar 15, 2007 May 11, 2026
Chloroform 2941 Organic Chemical 26 of 27 results May 17, 2007 May 11, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 25 of 31 results Mar 15, 2007 Nov 18, 2025
Dichloroacetic Acid 2451 Organic Chemical 21 of 24 results Feb 27, 2008 Nov 18, 2025
Trichloroacetic Acid 2452 Organic Chemical 17 of 24 results Nov 6, 2008 Nov 18, 2025
Bromodichloromethane 2943 Organic Chemical 17 of 27 results Feb 27, 2008 Nov 18, 2025
Dibromochloromethane 2944 Organic Chemical 14 of 27 results Nov 6, 2008 Nov 18, 2025
Barium 1010 Inorganic Chemical 12 of 12 results Apr 16, 2008 Oct 16, 2024
Fluoride 1025 Inorganic Chemical 12 of 13 results Apr 16, 2008 Oct 16, 2024
Chromium 1020 Inorganic Chemical 10 of 12 results Apr 16, 2008 Oct 16, 2024
Gross Alpha Particle Activity 4109 Radionuclide 8 of 8 results Sep 26, 2011 Apr 5, 2012
Nitrite 1041 Inorganic Chemical 4 of 36 results Jul 9, 2008 Mar 27, 2025
Nickel 1036 Inorganic Chemical 4 of 12 results Apr 16, 2008 Apr 2, 2014
Sodium 1052 Inorganic Chemical 3 of 3 results Jun 25, 2018 Sep 18, 2019
Dibromoacetic Acid 2454 Organic Chemical 2 of 24 results Nov 6, 2008 Jun 18, 2025
Monobromoacetic Acid 2453 Organic Chemical 2 of 24 results Feb 27, 2008 Oct 15, 2020
Arsenic 1005 Inorganic Chemical 2 of 12 results Apr 2, 2014 Apr 2, 2014
Calcium 1016 Inorganic Chemical 1 of 1 result Jun 25, 2018 Jun 25, 2018
Chloride 1017 Inorganic Chemical 1 of 1 result Jun 25, 2018 Jun 25, 2018
Iron 1028 Inorganic Chemical 1 of 1 result Jun 25, 2018 Jun 25, 2018
Magnesium 1031 Inorganic Chemical 1 of 1 result Jun 25, 2018 Jun 25, 2018
Manganese 1032 Inorganic Chemical 1 of 1 result Jun 25, 2018 Jun 25, 2018
Potassium 1042 Inorganic Chemical 1 of 1 result Jun 25, 2018 Jun 25, 2018
Sulfate 1055 Inorganic Chemical 1 of 1 result Jun 25, 2018 Jun 25, 2018
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Jun 25, 2018 Jun 25, 2018
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Jun 25, 2018 Jun 25, 2018
Color 1905 Water Quality 1 of 1 result Jun 25, 2018 Jun 25, 2018
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Jun 25, 2018 Jun 25, 2018
Alkalinity, Total 1927 Water Quality 1 of 1 result Jun 25, 2018 Jun 25, 2018
Calculated Sodium NACA Water Quality 1 of 1 result Jun 25, 2018 Jun 25, 2018
PH, Field Result PHFD Water Quality 1 of 1 result Jun 25, 2018 Jun 25, 2018
Monochloroacetic Acid 2450 Organic Chemical 1 of 24 results Aug 9, 2017 Aug 9, 2017
Cadmium 1015 Inorganic Chemical 1 of 12 results Apr 16, 2008 Apr 16, 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 91–100 of 270 samples, newest first — collected July 8, 2015 to March 21, 2017. The summary above covers all 270.

23 results from the 10 samples listed here: 7 detected, 16 not detected. Across the whole record it is 379 of 1,415. 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-Henley Field, every result from 91 to 100 of 270 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 21, 2017 02:13
Sampling point
TF101
Sample type
Routine
Lab sample
170322-020NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 21, 2017 02:13, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 21, 2017 02:13, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 21, 2017 02:13, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
May 4, 2016 14:24
Sampling point
TF101
Sample type
Routine
Lab sample
160505-041NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 4, 2016 14:24, sampling point TF101 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 14:24, sampling point TF101 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 14:24, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
May 4, 2016 14:42
Sampling point
TF102
Sample type
Routine
Lab sample
160505-008NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 4, 2016 14:42, sampling point TF102 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 14:42, sampling point TF102 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 14:42, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Jul 8, 2015 06:30
Sampling point
DS000
Sample type
Routine
Lab sample
150710-026PB
Laboratory
MSDH Lab
0.0761 mg/l , sample collected Jul 8, 2015 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 8, 2015 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Jul 8, 2015 05:30
Sampling point
DS000
Sample type
Routine
Lab sample
150710-031PB
Laboratory
MSDH Lab
0.0041 mg/l , sample collected Jul 8, 2015 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 8, 2015 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Jul 8, 2015 04:00
Sampling point
DS000
Sample type
Routine
Lab sample
150710-030PB
Laboratory
MSDH Lab
0.0417 mg/l , sample collected Jul 8, 2015 04:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 8, 2015 04:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Jul 8, 2015 06:00
Sampling point
DS000
Sample type
Routine
Lab sample
150710-029PB
Laboratory
MSDH Lab
0.0078 mg/l , sample collected Jul 8, 2015 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 8, 2015 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Jul 8, 2015 06:30
Sampling point
DS000
Sample type
Routine
Lab sample
150710-028PB
Laboratory
MSDH Lab
0.0371 mg/l , sample collected Jul 8, 2015 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 8, 2015 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Jul 8, 2015 06:45
Sampling point
DS000
Sample type
Routine
Lab sample
150710-027PB
Laboratory
MSDH Lab
0.0607 mg/l , sample collected Jul 8, 2015 06:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 8, 2015 06:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Jul 8, 2015 05:30
Sampling point
DS000
Sample type
Routine
Lab sample
150710-024PB
Laboratory
MSDH Lab
0.0131 mg/l , sample collected Jul 8, 2015 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 8, 2015 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015

Routine (10).