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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

MS0430002 , City of Brookhaven

47 of the 75 analytes this system has been tested for have been detected at least once, across 681 samples on record.

The other 28 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 681 samples on record, detections range from June 28, 2002 to June 16, 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 City of Brookhaven, 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 174 of 174 results Jun 15, 2004 Aug 22, 2024
Lead 1030 Inorganic Chemical 108 of 174 results Jun 15, 2004 Aug 21, 2024
TTHM 2950 Organic Chemical 52 of 61 results Mar 8, 2004 Apr 23, 2025
Tetrachloroethylene 2987 Organic Chemical 49 of 137 results Jun 28, 2002 Feb 14, 2022
Barium 1010 Inorganic Chemical 40 of 41 results Jul 16, 2002 Jun 16, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 38 of 58 results Sep 12, 2005 Apr 23, 2025
Fluoride 1025 Inorganic Chemical 37 of 42 results Jul 16, 2002 Jun 16, 2026
Nitrate 1040 Inorganic Chemical 36 of 111 results May 24, 2004 Feb 25, 2026
Nitrate-Nitrite 1038 Inorganic Chemical 35 of 111 results May 24, 2004 Feb 25, 2026
Dibromochloromethane 2944 Organic Chemical 33 of 43 results Jul 31, 2006 Oct 7, 2020
Bromodichloromethane 2943 Organic Chemical 28 of 43 results Jul 31, 2006 Oct 7, 2020
Bromoform 2942 Organic Chemical 26 of 43 results Jul 31, 2006 Aug 20, 2019
Chloroform 2941 Organic Chemical 23 of 43 results Jul 31, 2006 Oct 7, 2020
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 20 results Dec 14, 2011 Oct 3, 2012
Dichloroacetic Acid 2451 Organic Chemical 12 of 37 results Sep 8, 2009 Oct 7, 2020
Dibromoacetic Acid 2454 Organic Chemical 12 of 37 results Jun 30, 2008 Aug 20, 2019
Combined Radium (-226 & -228) 4010 Radionuclide 12 of 30 results Sep 21, 2009 Oct 3, 2012
Radium-226 4020 Radionuclide 12 of 30 results Sep 21, 2009 Oct 3, 2012
Sodium 1052 Inorganic Chemical 11 of 11 results Sep 2, 2010 Jun 16, 2026
Chromium 1020 Inorganic Chemical 11 of 41 results Oct 6, 2003 Apr 23, 2025
Nickel 1036 Inorganic Chemical 11 of 39 results Jul 16, 2002 Apr 23, 2025
Monochloroacetic Acid 2450 Organic Chemical 10 of 37 results Nov 2, 2009 Jun 12, 2018
Sulfate 1055 Inorganic Chemical 9 of 9 results Jul 16, 2002 Sep 2, 2010
Trichloroacetic Acid 2452 Organic Chemical 5 of 37 results Aug 9, 2010 Oct 7, 2020
Gross Alpha Particle Activity 4109 Radionuclide 5 of 10 results Sep 21, 2009 Sep 17, 2012
Radium-228 4030 Radionuclide 5 of 30 results Sep 21, 2009 Mar 2, 2010
Gross Beta Particle Activity 4100 Radionuclide 5 of 5 results Sep 21, 2009 Mar 2, 2010
Gross Alpha, Excl. Radon & U 4000 Radionuclide 4 of 8 results Sep 21, 2009 Mar 2, 2010
Arsenic 1005 Inorganic Chemical 3 of 41 results Mar 1, 2004 Apr 23, 2025
Xylenes, Total 2955 Organic Chemical 2 of 137 results Aug 26, 2013 Jun 8, 2021
Nitrite 1041 Inorganic Chemical 1 of 111 results Feb 28, 2022 Feb 28, 2022
Monobromoacetic Acid 2453 Organic Chemical 1 of 37 results Oct 7, 2020 Oct 7, 2020
Dichloromethane 2964 Organic Chemical 1 of 137 results Apr 29, 2013 Apr 29, 2013
Calcium 1016 Inorganic Chemical 1 of 1 result Sep 2, 2010 Sep 2, 2010
Chloride 1017 Inorganic Chemical 1 of 1 result Sep 2, 2010 Sep 2, 2010
Manganese 1032 Inorganic Chemical 1 of 1 result Sep 2, 2010 Sep 2, 2010
Potassium 1042 Inorganic Chemical 1 of 1 result Sep 2, 2010 Sep 2, 2010
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Sep 2, 2010 Sep 2, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Sep 2, 2010 Sep 2, 2010
Carbon Dioxide 1901 Water Quality 1 of 1 result Sep 2, 2010 Sep 2, 2010
Color 1905 Water Quality 1 of 1 result Sep 2, 2010 Sep 2, 2010
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Sep 2, 2010 Sep 2, 2010
Alkalinity, Total 1927 Water Quality 1 of 1 result Sep 2, 2010 Sep 2, 2010
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Sep 2, 2010 Sep 2, 2010
Calculated Sodium NACA Water Quality 1 of 1 result Sep 2, 2010 Sep 2, 2010
PH, Field Result PHFD Water Quality 1 of 1 result Sep 2, 2010 Sep 2, 2010
Cyanide 1024 Inorganic Chemical 1 of 43 results Mar 1, 2004 Mar 1, 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 91–100 of 681 samples, newest first — collected August 25, 2021 to August 25, 2021. The summary above covers all 681.

20 results from the 10 samples listed here: 15 detected, 5 not detected. Across the whole record it is 840 of 4,721. 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 10 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 City of Brookhaven, every result from 91 to 100 of 681 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
Aug 25, 2021 05:30
Sampling point
LC0058 Location withheld
Sample type
Routine
Lab sample
PB-210826-047
Laboratory
MSDH Lab
0.0028 mg/l , sample collected Aug 25, 2021 05:30, sampling point LC0058 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 Aug 25, 2021 05:30, sampling point LC0058 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 25, 2021 07:18
Sampling point
LC0070 Location withheld
Sample type
Routine
Lab sample
PB-210826-046
Laboratory
MSDH Lab
0.0077 mg/l , sample collected Aug 25, 2021 07:18, sampling point LC0070 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.5 ug/l , sample collected Aug 25, 2021 07:18, sampling point LC0070 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 25, 2021 09:20
Sampling point
LC0068 Location withheld
Sample type
Routine
Lab sample
PB-210826-045
Laboratory
MSDH Lab
0.0027 mg/l , sample collected Aug 25, 2021 09:20, sampling point LC0068 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 Aug 25, 2021 09:20, sampling point LC0068 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 25, 2021 06:15
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-210826-044
Laboratory
MSDH Lab
0.0075 mg/l , sample collected Aug 25, 2021 06:15, sampling point LC0007 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 Aug 25, 2021 06:15, sampling point LC0007 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 25, 2021 06:00
Sampling point
LC0024 Location withheld
Sample type
Routine
Lab sample
PB-210826-060
Laboratory
MSDH Lab
0.0072 mg/l , sample collected Aug 25, 2021 06:00, sampling point LC0024 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 Aug 25, 2021 06:00, sampling point LC0024 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 25, 2021 07:43
Sampling point
LC0028 Location withheld
Sample type
Routine
Lab sample
PB-210826-043
Laboratory
MSDH Lab
0.0141 mg/l , sample collected Aug 25, 2021 07:43, sampling point LC0028 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.6 ug/l , sample collected Aug 25, 2021 07:43, sampling point LC0028 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 25, 2021 05:43
Sampling point
LC0056 Location withheld
Sample type
Routine
Lab sample
PB-210826-059
Laboratory
MSDH Lab
0.178 mg/l , sample collected Aug 25, 2021 05:43, sampling point LC0056 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.7 ug/l , sample collected Aug 25, 2021 05:43, sampling point LC0056 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 25, 2021 06:45
Sampling point
LC0057 Location withheld
Sample type
Routine
Lab sample
PB-210826-058
Laboratory
MSDH Lab
0.017 mg/l , sample collected Aug 25, 2021 06:45, sampling point LC0057 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 Aug 25, 2021 06:45, sampling point LC0057 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 25, 2021 08:25
Sampling point
LC0063 Location withheld
Sample type
Routine
Lab sample
PB-210826-057
Laboratory
MSDH Lab
0.0114 mg/l , sample collected Aug 25, 2021 08:25, sampling point LC0063 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
1.3 ug/l , sample collected Aug 25, 2021 08:25, sampling point LC0063 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 25, 2021 05:30
Sampling point
LC0052 Location withheld
Sample type
Routine
Lab sample
PB-210826-056
Laboratory
MSDH Lab
0.0263 mg/l , sample collected Aug 25, 2021 05:30, sampling point LC0052 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.8 ug/l , sample collected Aug 25, 2021 05:30, sampling point LC0052 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021

Routine (10).