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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

MS0270020 , Humphreys Co. W/A #2-Brooklyn

20 of the 57 analytes this system has been tested for have been detected at least once, across 189 samples on record.

The other 37 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 189 samples on record, detections range from July 28, 1993 to September 30, 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 Humphreys Co. W/A #2-Brooklyn, 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 100 of 111 results Jul 28, 1993 Sep 30, 2025
Lead 1030 Inorganic Chemical 55 of 111 results Jul 28, 1993 Sep 30, 2025
Barium 1010 Inorganic Chemical 10 of 10 results Sep 17, 2003 Feb 10, 2025
TTHM 2950 Organic Chemical 8 of 8 results Jun 9, 2004 Feb 10, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 7 results Sep 16, 2008 Feb 10, 2025
Chloroform 2941 Organic Chemical 5 of 5 results Aug 16, 2007 Aug 6, 2018
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Mar 8, 2012 Oct 4, 2012
Dichloroacetic Acid 2451 Organic Chemical 4 of 4 results Sep 16, 2008 Aug 6, 2018
Chromium 1020 Inorganic Chemical 4 of 10 results Sep 17, 2003 Mar 2, 2016
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 23, 2019 Feb 7, 2024
Trichloroacetic Acid 2452 Organic Chemical 3 of 4 results Sep 16, 2008 Sep 24, 2014
Bromodichloromethane 2943 Organic Chemical 3 of 5 results Aug 16, 2007 Sep 24, 2014
Monobromoacetic Acid 2453 Organic Chemical 2 of 4 results Sep 24, 2014 Aug 6, 2018
Fluoride 1025 Inorganic Chemical 2 of 10 results Sep 17, 2003 Mar 2, 2016
Selenium 1045 Inorganic Chemical 2 of 10 results Mar 14, 2005 Feb 6, 2006
Sulfate 1055 Inorganic Chemical 2 of 2 results Sep 17, 2003 Feb 9, 2004
Dibromoacetic Acid 2454 Organic Chemical 1 of 4 results Aug 6, 2018 Aug 6, 2018
Nickel 1036 Inorganic Chemical 1 of 10 results Apr 16, 2008 Apr 16, 2008
Dibromochloromethane 2944 Organic Chemical 1 of 5 results Aug 16, 2007 Aug 16, 2007
Cadmium 1015 Inorganic Chemical 1 of 10 results Mar 14, 2005 Mar 14, 2005

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 61–70 of 189 samples, newest first — collected October 29, 2015 to May 12, 2016. The summary above covers all 189.

30 results from the 10 samples listed here: 14 detected, 16 not detected. Across the whole record it is 218 of 682. 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 Humphreys Co. W/A #2-Brooklyn, every result from 61 to 70 of 189 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
May 12, 2016 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160513-060PB
Laboratory
MSDH Lab
0.0209 mg/l , sample collected May 12, 2016 08:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Jun 30, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 12, 2016 08:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Jun 30, 2016
Collected
May 12, 2016 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160513-059PB
Laboratory
MSDH Lab
0.1287 mg/l , sample collected May 12, 2016 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Jun 30, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 12, 2016 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Jun 30, 2016
Collected
Apr 6, 2016 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160407-041NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 6, 2016 14:00, 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 Apr 6, 2016 14:00, 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 Apr 6, 2016 14:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Mar 2, 2016 02:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160303-013IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2016 02:10, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0058 mg/l , sample collected Mar 2, 2016 02:10, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2016 02:10, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0024 mg/l , sample collected Mar 2, 2016 02:10, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.108 mg/l , sample collected Mar 2, 2016 02:10, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2016 02:10, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2016 02:10, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 2, 2016 02:10, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2016 02:10, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2016 02:10, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2016 02:10, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Oct 30, 2015 07:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
151030-074PB
Laboratory
MSDH Lab
0.0054 mg/l , sample collected Oct 30, 2015 07:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 30, 2015 07:20, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Collected
Oct 29, 2015
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
151030-081PB
Laboratory
MSDH Lab
0.2072 mg/l , sample collected Oct 29, 2015, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
0.0011 mg/l , sample collected Oct 29, 2015, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Collected
Oct 29, 2015 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
151030-080PB
Laboratory
MSDH Lab
0.2031 mg/l , sample collected Oct 29, 2015 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 29, 2015 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Collected
Oct 29, 2015 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
151030-079PB
Laboratory
MSDH Lab
0.1876 mg/l , sample collected Oct 29, 2015 09:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 29, 2015 09:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Collected
Oct 29, 2015 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
151030-078PB
Laboratory
MSDH Lab
0.1249 mg/l , sample collected Oct 29, 2015 10:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
0.0049 mg/l , sample collected Oct 29, 2015 10:00, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
Collected
Oct 29, 2015 06:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
151030-077PB
Laboratory
MSDH Lab
0.1568 mg/l , sample collected Oct 29, 2015 06:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015
0.0008 mg/l , sample collected Oct 29, 2015 06:45, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2015 – Dec 31, 2015

Routine (10).